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      <PDBx:pdbx_entity_src_syn entity_id="1" pdbx_src_id="1">
         <PDBx:ncbi_taxonomy_id>32630</PDBx:ncbi_taxonomy_id>
         <PDBx:organism_scientific>synthetic construct</PDBx:organism_scientific>
         <PDBx:pdbx_alt_source_flag>sample</PDBx:pdbx_alt_source_flag>
         <PDBx:pdbx_beg_seq_num>1</PDBx:pdbx_beg_seq_num>
         <PDBx:pdbx_end_seq_num>19</PDBx:pdbx_end_seq_num>
      </PDBx:pdbx_entity_src_syn>
   </PDBx:pdbx_entity_src_synCategory>
   <PDBx:pdbx_nmr_ensembleCategory>
      <PDBx:pdbx_nmr_ensemble entry_id="6D37">
         <PDBx:conformer_selection_criteria>structures with the lowest energy</PDBx:conformer_selection_criteria>
         <PDBx:conformers_calculated_total_number>40</PDBx:conformers_calculated_total_number>
         <PDBx:conformers_submitted_total_number>32</PDBx:conformers_submitted_total_number>
      </PDBx:pdbx_nmr_ensemble>
   </PDBx:pdbx_nmr_ensembleCategory>
   <PDBx:pdbx_nmr_exptlCategory>
      <PDBx:pdbx_nmr_exptl conditions_id="1" experiment_id="1" solution_id="1">
         <PDBx:sample_state>isotropic</PDBx:sample_state>
         <PDBx:spectrometer_id>1</PDBx:spectrometer_id>
         <PDBx:type>2D 1H-1H NOESY</PDBx:type>
      </PDBx:pdbx_nmr_exptl>
      <PDBx:pdbx_nmr_exptl conditions_id="1" experiment_id="2" solution_id="1">
         <PDBx:sample_state>isotropic</PDBx:sample_state>
         <PDBx:spectrometer_id>1</PDBx:spectrometer_id>
         <PDBx:type>2D 1H-1H TOCSY</PDBx:type>
      </PDBx:pdbx_nmr_exptl>
   </PDBx:pdbx_nmr_exptlCategory>
   <PDBx:pdbx_nmr_exptl_sampleCategory>
      <PDBx:pdbx_nmr_exptl_sample component="peptide" solution_id="1">
         <PDBx:concentration>1</PDBx:concentration>
         <PDBx:concentration_units>mM</PDBx:concentration_units>
         <PDBx:isotopic_labeling>natural abundance</PDBx:isotopic_labeling>
      </PDBx:pdbx_nmr_exptl_sample>
   </PDBx:pdbx_nmr_exptl_sampleCategory>
   <PDBx:pdbx_nmr_exptl_sample_conditionsCategory>
      <PDBx:pdbx_nmr_exptl_sample_conditions conditions_id="1">
         <PDBx:ionic_strength>0.019</PDBx:ionic_strength>
         <PDBx:ionic_strength_err>0.001</PDBx:ionic_strength_err>
         <PDBx:ionic_strength_units>M</PDBx:ionic_strength_units>
         <PDBx:label>conditions1</PDBx:label>
         <PDBx:pH>2.5</PDBx:pH>
         <PDBx:pH_err>.05</PDBx:pH_err>
         <PDBx:pH_units>pH</PDBx:pH_units>
         <PDBx:pressure>ambient</PDBx:pressure>
         <PDBx:pressure_err>0.1</PDBx:pressure_err>
         <PDBx:pressure_units>atm</PDBx:pressure_units>
         <PDBx:temperature>280</PDBx:temperature>
         <PDBx:temperature_err>1</PDBx:temperature_err>
         <PDBx:temperature_units>K</PDBx:temperature_units>
      </PDBx:pdbx_nmr_exptl_sample_conditions>
   </PDBx:pdbx_nmr_exptl_sample_conditionsCategory>
   <PDBx:pdbx_nmr_refineCategory>
      <PDBx:pdbx_nmr_refine entry_id="6D37" software_ordinal="1">
         <PDBx:method>simulated annealing</PDBx:method>
      </PDBx:pdbx_nmr_refine>
   </PDBx:pdbx_nmr_refineCategory>
   <PDBx:pdbx_nmr_representativeCategory>
      <PDBx:pdbx_nmr_representative entry_id="6D37">
         <PDBx:conformer_id>1</PDBx:conformer_id>
         <PDBx:selection_criteria>closest to the average</PDBx:selection_criteria>
      </PDBx:pdbx_nmr_representative>
   </PDBx:pdbx_nmr_representativeCategory>
   <PDBx:pdbx_nmr_sample_detailsCategory>
      <PDBx:pdbx_nmr_sample_details solution_id="1">
         <PDBx:contents>1 mM peptide, 90&#37; H2O/10&#37; D2O</PDBx:contents>
         <PDBx:label>sample1</PDBx:label>
         <PDBx:solvent_system>90&#37; H2O/10&#37; D2O</PDBx:solvent_system>
         <PDBx:type>solution</PDBx:type>
      </PDBx:pdbx_nmr_sample_details>
   </PDBx:pdbx_nmr_sample_detailsCategory>
   <PDBx:pdbx_nmr_softwareCategory>
      <PDBx:pdbx_nmr_software ordinal="1">
         <PDBx:authors>Brunger A. T. et.al.</PDBx:authors>
         <PDBx:classification>structure calculation</PDBx:classification>
         <PDBx:name>CNS</PDBx:name>
         <PDBx:version>1.2</PDBx:version>
      </PDBx:pdbx_nmr_software>
      <PDBx:pdbx_nmr_software ordinal="2">
         <PDBx:authors>Goddard &amp; Kneller</PDBx:authors>
         <PDBx:classification>chemical shift calculation</PDBx:classification>
         <PDBx:name>Sparky</PDBx:name>
      </PDBx:pdbx_nmr_software>
   </PDBx:pdbx_nmr_softwareCategory>
   <PDBx:pdbx_nmr_spectrometerCategory>
      <PDBx:pdbx_nmr_spectrometer spectrometer_id="1">
         <PDBx:field_strength>750</PDBx:field_strength>
         <PDBx:manufacturer>Bruker</PDBx:manufacturer>
         <PDBx:model>AVANCE</PDBx:model>
      </PDBx:pdbx_nmr_spectrometer>
   </PDBx:pdbx_nmr_spectrometerCategory>
   <PDBx:pdbx_poly_seq_schemeCategory>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ACE" seq_id="1">
         <PDBx:auth_mon_id>ALA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>1</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>1</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ACE</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>1</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ALA" seq_id="2">
         <PDBx:auth_mon_id>ALA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>1</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>2</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ALA</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>2</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="TYR" seq_id="3">
         <PDBx:auth_mon_id>TYR</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>2</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>3</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>TYR</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>3</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ALA" seq_id="4">
         <PDBx:auth_mon_id>ALA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>3</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>4</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ALA</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>4</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="GLN" seq_id="5">
         <PDBx:auth_mon_id>GLN</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>4</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>5</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>GLN</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>5</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="TRP" seq_id="6">
         <PDBx:auth_mon_id>TRP</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>5</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>6</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>TRP</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>6</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="LEU" seq_id="7">
         <PDBx:auth_mon_id>LEU</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>6</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>7</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>LEU</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>7</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ALA" seq_id="8">
         <PDBx:auth_mon_id>ALA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>7</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>8</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ALA</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>8</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ASP" seq_id="9">
         <PDBx:auth_mon_id>ASP</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>8</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>9</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ASP</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>9</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="DAL" seq_id="10">
         <PDBx:auth_mon_id>DAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>9</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>10</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>DAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>10</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="GLY" seq_id="11">
         <PDBx:auth_mon_id>GLY</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>10</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>11</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>GLY</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>11</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="PRO" seq_id="12">
         <PDBx:auth_mon_id>PRO</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>11</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>12</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>PRO</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>12</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ALA" seq_id="13">
         <PDBx:auth_mon_id>ALA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>12</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>13</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ALA</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>13</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="SER" seq_id="14">
         <PDBx:auth_mon_id>SER</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>13</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>14</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>SER</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>14</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="DAL" seq_id="15">
         <PDBx:auth_mon_id>DAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>14</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>15</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>DAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>15</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="NVA" seq_id="16">
         <PDBx:auth_mon_id>NVA</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>15</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>16</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>NVA</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>16</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="PRO" seq_id="17">
         <PDBx:auth_mon_id>PRO</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>16</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>17</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>PRO</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>17</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="PRO" seq_id="18">
         <PDBx:auth_mon_id>PRO</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>17</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>18</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>PRO</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>18</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="PRO" seq_id="19">
         <PDBx:auth_mon_id>PRO</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>18</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>19</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>PRO</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>19</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="SER" seq_id="20">
         <PDBx:auth_mon_id>SER</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>19</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>20</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>SER</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>20</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="NH2" seq_id="21">
         <PDBx:auth_mon_id>SER</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>19</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>21</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>NH2</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>21</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
   </PDBx:pdbx_poly_seq_schemeCategory>
   <PDBx:pdbx_struct_assemblyCategory>
      <PDBx:pdbx_struct_assembly id="1">
         <PDBx:details>author_defined_assembly</PDBx:details>
         <PDBx:oligomeric_count>1</PDBx:oligomeric_count>
         <PDBx:oligomeric_details>monomeric</PDBx:oligomeric_details>
      </PDBx:pdbx_struct_assembly>
   </PDBx:pdbx_struct_assemblyCategory>
   <PDBx:pdbx_struct_assembly_auth_evidenceCategory>
      <PDBx:pdbx_struct_assembly_auth_evidence assembly_id="1" id="1">
         <PDBx:experimental_support>none</PDBx:experimental_support>
      </PDBx:pdbx_struct_assembly_auth_evidence>
   </PDBx:pdbx_struct_assembly_auth_evidenceCategory>
   <PDBx:pdbx_struct_assembly_genCategory>
      <PDBx:pdbx_struct_assembly_gen assembly_id="1" asym_id_list="A" oper_expression="1"></PDBx:pdbx_struct_assembly_gen>
   </PDBx:pdbx_struct_assembly_genCategory>
   <PDBx:pdbx_struct_assembly_propCategory>
      <PDBx:pdbx_struct_assembly_prop biol_id="1" type="ABSA (A^2)">
         <PDBx:value>0</PDBx:value>
      </PDBx:pdbx_struct_assembly_prop>
      <PDBx:pdbx_struct_assembly_prop biol_id="1" type="MORE">
         <PDBx:value>0</PDBx:value>
      </PDBx:pdbx_struct_assembly_prop>
      <PDBx:pdbx_struct_assembly_prop biol_id="1" type="SSA (A^2)">
         <PDBx:value>1630</PDBx:value>
      </PDBx:pdbx_struct_assembly_prop>
   </PDBx:pdbx_struct_assembly_propCategory>
   <PDBx:pdbx_struct_oper_listCategory>
      <PDBx:pdbx_struct_oper_list id="1">
         <PDBx:matrix11>1.0000000000</PDBx:matrix11>
         <PDBx:matrix12>0.0000000000</PDBx:matrix12>
         <PDBx:matrix13>0.0000000000</PDBx:matrix13>
         <PDBx:matrix21>0.0000000000</PDBx:matrix21>
         <PDBx:matrix22>1.0000000000</PDBx:matrix22>
         <PDBx:matrix23>0.0000000000</PDBx:matrix23>
         <PDBx:matrix31>0.0000000000</PDBx:matrix31>
         <PDBx:matrix32>0.0000000000</PDBx:matrix32>
         <PDBx:matrix33>1.0000000000</PDBx:matrix33>
         <PDBx:name>1_555</PDBx:name>
         <PDBx:type>identity operation</PDBx:type>
         <PDBx:vector1>0.0000000000</PDBx:vector1>
         <PDBx:vector2>0.0000000000</PDBx:vector2>
         <PDBx:vector3>0.0000000000</PDBx:vector3>
      </PDBx:pdbx_struct_oper_list>
   </PDBx:pdbx_struct_oper_listCategory>
   <PDBx:pdbx_validate_torsionCategory>
      <PDBx:pdbx_validate_torsion id="1">
         <PDBx:PDB_model_num>13</PDBx:PDB_model_num>
         <PDBx:auth_asym_id>A</PDBx:auth_asym_id>
         <PDBx:auth_comp_id>PRO</PDBx:auth_comp_id>
         <PDBx:auth_seq_id>19</PDBx:auth_seq_id>
         <PDBx:phi>-49.99</PDBx:phi>
         <PDBx:psi>109.06</PDBx:psi>
      </PDBx:pdbx_validate_torsion>
   </PDBx:pdbx_validate_torsionCategory>
   <PDBx:structCategory>
      <PDBx:struct entry_id="6D37">
         <PDBx:pdbx_CASP_flag>N</PDBx:pdbx_CASP_flag>
         <PDBx:pdbx_descriptor>ALA-TYR-ALA-GLN-TRP-LEU-ALA-ASP-DAL-GLY-PRO-ALA-SER-DAL-NVA-PRO-PRO-PRO-SER</PDBx:pdbx_descriptor>
         <PDBx:title>Trp-cage tr16b R16Nva : Elimination of pH Dependent Interactions</PDBx:title>
      </PDBx:struct>
   </PDBx:structCategory>
   <PDBx:struct_asymCategory>
      <PDBx:struct_asym id="A">
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_blank_PDB_chainid_flag>N</PDBx:pdbx_blank_PDB_chainid_flag>
         <PDBx:pdbx_modified>N</PDBx:pdbx_modified>
      </PDBx:struct_asym>
   </PDBx:struct_asymCategory>
   <PDBx:struct_confCategory>
      <PDBx:struct_conf id="HELX_P1">
         <PDBx:beg_auth_asym_id>A</PDBx:beg_auth_asym_id>
         <PDBx:beg_auth_comp_id>ALA</PDBx:beg_auth_comp_id>
         <PDBx:beg_auth_seq_id>2</PDBx:beg_auth_seq_id>
         <PDBx:beg_label_asym_id>A</PDBx:beg_label_asym_id>
         <PDBx:beg_label_comp_id>ALA</PDBx:beg_label_comp_id>
         <PDBx:beg_label_seq_id>2</PDBx:beg_label_seq_id>
         <PDBx:conf_type_id>HELX_P</PDBx:conf_type_id>
         <PDBx:end_auth_asym_id>A</PDBx:end_auth_asym_id>
         <PDBx:end_auth_comp_id>ASP</PDBx:end_auth_comp_id>
         <PDBx:end_auth_seq_id>9</PDBx:end_auth_seq_id>
         <PDBx:end_label_asym_id>A</PDBx:end_label_asym_id>
         <PDBx:end_label_comp_id>ASP</PDBx:end_label_comp_id>
         <PDBx:end_label_seq_id>9</PDBx:end_label_seq_id>
         <PDBx:pdbx_PDB_helix_class>1</PDBx:pdbx_PDB_helix_class>
         <PDBx:pdbx_PDB_helix_id>AA1</PDBx:pdbx_PDB_helix_id>
         <PDBx:pdbx_PDB_helix_length>8</PDBx:pdbx_PDB_helix_length>
      </PDBx:struct_conf>
   </PDBx:struct_confCategory>
   <PDBx:struct_conf_typeCategory>
      <PDBx:struct_conf_type id="HELX_P">
      </PDBx:struct_conf_type>
   </PDBx:struct_conf_typeCategory>
   <PDBx:struct_connCategory>
      <PDBx:struct_conn id="covale1">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.335</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>ACE</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>1</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>ACE</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>1</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>ALA</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>2</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>ALA</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>2</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale2">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.338</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>ASP</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>9</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>ASP</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>9</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>DAL</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>10</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>DAL</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>10</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale3">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.339</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>DAL</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>10</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>DAL</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>10</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>GLY</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>11</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>GLY</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>11</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale4">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.336</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>SER</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>14</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>SER</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>14</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>DAL</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>15</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>DAL</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>15</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale5">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.334</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>DAL</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>15</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>DAL</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>15</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>NVA</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>16</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>NVA</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>16</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale6">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.348</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>NVA</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>16</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>NVA</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>16</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>PRO</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>17</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>PRO</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>17</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale7">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.330</PDBx:pdbx_dist_value>
         <PDBx:pdbx_leaving_atom_flag>both</PDBx:pdbx_leaving_atom_flag>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>SER</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>20</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>SER</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>20</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>NH2</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>21</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>N</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>NH2</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>21</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
   </PDBx:struct_connCategory>
   <PDBx:struct_conn_typeCategory>
      <PDBx:struct_conn_type id="covale">
      </PDBx:struct_conn_type>
   </PDBx:struct_conn_typeCategory>
   <PDBx:struct_keywordsCategory>
      <PDBx:struct_keywords entry_id="6D37">
         <PDBx:pdbx_keywords>DE NOVO PROTEIN</PDBx:pdbx_keywords>
         <PDBx:text>MINIPROTEIN, DE NOVO PROTEIN, TRP-CAGE, CIRCULAR PERMUTANT, MICROPROTEIN</PDBx:text>
      </PDBx:struct_keywords>
   </PDBx:struct_keywordsCategory>
   <PDBx:struct_refCategory>
      <PDBx:struct_ref id="1">
         <PDBx:db_code>6D37</PDBx:db_code>
         <PDBx:db_name>PDB</PDBx:db_name>
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_align_begin>1</PDBx:pdbx_align_begin>
         <PDBx:pdbx_db_accession>6D37</PDBx:pdbx_db_accession>
      </PDBx:struct_ref>
   </PDBx:struct_refCategory>
   <PDBx:struct_ref_seqCategory>
      <PDBx:struct_ref_seq align_id="1">
         <PDBx:db_align_beg>1</PDBx:db_align_beg>
         <PDBx:db_align_end>19</PDBx:db_align_end>
         <PDBx:pdbx_PDB_id_code>6D37</PDBx:pdbx_PDB_id_code>
         <PDBx:pdbx_auth_seq_align_beg>1</PDBx:pdbx_auth_seq_align_beg>
         <PDBx:pdbx_auth_seq_align_end>19</PDBx:pdbx_auth_seq_align_end>
         <PDBx:pdbx_db_accession>6D37</PDBx:pdbx_db_accession>
         <PDBx:pdbx_strand_id>A</PDBx:pdbx_strand_id>
         <PDBx:ref_id>1</PDBx:ref_id>
         <PDBx:seq_align_beg>1</PDBx:seq_align_beg>
         <PDBx:seq_align_end>19</PDBx:seq_align_end>
      </PDBx:struct_ref_seq>
   </PDBx:struct_ref_seqCategory>
</PDBx:datablock>
