#ID(s) interactor A	ID(s) interactor B	Alt. ID(s) interactor A	Alt. ID(s) interactor B	Alias(es) interactor A	Alias(es) interactor B	Interaction detection method(s)	Publication 1st author(s)	Publication Identifier(s)	Taxid interactor A	Taxid interactor B	Interaction type(s)	Source database(s)	Interaction identifier(s)	Confidence value(s)	Expansion method(s)	Biological role(s) interactor A	Biological role(s) interactor B	Experimental role(s) interactor A	Experimental role(s) interactor B	Type(s) interactor A	Type(s) interactor B	Xref(s) interactor A	Xref(s) interactor B	Interaction Xref(s)	Annotation(s) interactor A	Annotation(s) interactor B	Interaction annotation(s)	Host organism(s)	Interaction parameter(s)	Creation date	Update date	Checksum(s) interactor A	Checksum(s) interactor B	Interaction Checksum(s)	Negative	Feature(s) interactor A	Feature(s) interactor B	Stoichiometry(s) interactor A	Stoichiometry(s) interactor B	Identification method participant A	Identification method participant B
uniprotkb:P01730	uniprotkb:P01910	intact:EBI-353826|uniprotkb:Q4ZGK2|uniprotkb:Q5U066|uniprotkb:Q9UDE5|uniprotkb:B2R737|uniprotkb:D3DUS5|ensembl:ENSP00000011653	intact:EBI-1031881	psi-mi:cd4_human(display_long)|uniprotkb:CD4(gene name)|psi-mi:CD4(display_short)|uniprotkb:T-cell surface antigen T4/Leu-3(gene name synonym)	psi-mi:ha2k_mouse(display_long)|uniprotkb:H2-Aa(gene name)|psi-mi:H2-Aa(display_short)	psi-mi:"MI:0114"(x-ray crystallography)	Wang et al. (2001)	pubmed:11535811|mint:MINT-6652349	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:10090(mouse)|taxid:10090(Mus musculus)	psi-mi:"MI:0915"(physical association)	psi-mi:"MI:0471"(MINT)	intact:EBI-1031932|rcsb pdb:1JL4	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_000607.1|rcsb pdb:1CDI|rcsb pdb:1CDJ|rcsb pdb:1CDU|rcsb pdb:1CDY|rcsb pdb:1G9M|rcsb pdb:1G9N|rcsb pdb:1GC1|rcsb pdb:1JL4|rcsb pdb:1OPN|rcsb pdb:1OPT|rcsb pdb:1OPW|rcsb pdb:1Q68|rcsb pdb:1RZJ|rcsb pdb:1RZK|rcsb pdb:1WBR|rcsb pdb:1WIO|rcsb pdb:1WIP|rcsb pdb:1WIQ|rcsb pdb:2B4C|rcsb pdb:1CDH|rcsb pdb:2JKR|rcsb pdb:2JKT|reactome:R-HSA-202430|reactome:R-HSA-202433|reactome:R-HSA-202427|reactome:R-HSA-389948|reactome:R-HSA-449836|reactome:R-HSA-8856825|reactome:R-HSA-8856828|ensembl:ENST00000011653(transcript)|go:"GO:0045657"(positive regulation of monocyte differentiation)|go:"GO:0045860"(positive regulation of protein kinase activity)|go:"GO:0045893"(positive regulation of transcription, DNA-templated)|go:"GO:0046598"(positive regulation of viral entry into host cell)|go:"GO:0050731"(positive regulation of peptidyl-tyrosine phosphorylation)|go:"GO:0050829"(defense response to Gram-negative bacterium)|go:"GO:0050850"(positive regulation of calcium-mediated signaling)|go:"GO:0050863"(regulation of T cell activation)|go:"GO:0050870"(positive regulation of T cell activation)|go:"GO:0051924"(regulation of calcium ion transport)|go:"GO:0070374"(positive regulation of ERK1 and ERK2 cascade)|go:"GO:0097011"(cellular response to granulocyte macrophage colony-stimulating factor stimulus)|go:"GO:1990782"(protein tyrosine kinase binding)|interpro:IPR000973(T-cell surface antigen CD4)|interpro:IPR003598(Immunoglobulin subtype 2)|interpro:IPR003599(Immunoglobulin subtype)|interpro:IPR007110(Immunoglobulin-like)|interpro:IPR008424(Immunoglobulin C2-set)|interpro:IPR013106(Immunoglobulin V-set)|interpro:IPR013151(Immunoglobulin)|interpro:IPR013783(Immunoglobulin-like fold)|interpro:IPR015274(CD4, extracellular)|interpro:IPR021963|interpro:IPR036179|mint:P01730|go:"GO:0001618"(virus receptor activity)|go:"GO:0001934"(positive regulation of protein phosphorylation)|go:"GO:0002250"(adaptive immune response)|go:"GO:0004888"(transmembrane signaling receptor activity)|go:"GO:0005201"(extracellular matrix structural constituent)|go:"GO:0005769"(early endosome)|go:"GO:0005788"(endoplasmic reticulum lumen)|go:"GO:0005789"(endoplasmic reticulum membrane)|go:"GO:0005886"(plasma membrane)|go:"GO:0005887"(integral component of plasma membrane)|go:"GO:0006948"(induction by virus of host cell-cell fusion)|go:"GO:0006955"(immune response)|go:"GO:0007155"(cell adhesion)|go:"GO:0007165"(signal transduction)|go:"GO:0007166"(cell surface receptor signaling pathway)|go:"GO:0007167"(enzyme linked receptor protein signaling pathway)|go:"GO:0007169"(transmembrane receptor protein tyrosine kinase signaling pathway)|go:"GO:0008270"(zinc ion binding)|go:"GO:0009897"(external side of plasma membrane)|go:"GO:0015026"(coreceptor activity)|go:"GO:0019899"(enzyme binding)|go:"GO:0019901"(protein kinase binding)|go:"GO:0023026"(MHC class II protein complex binding)|go:"GO:0030217"(T cell differentiation)|go:"GO:0030225"(macrophage differentiation)|go:"GO:0030669"(clathrin-coated endocytic vesicle membrane)|go:"GO:0032507"(maintenance of protein location in cell)|go:"GO:0032743"(positive regulation of interleukin-2 production)|go:"GO:0033674"(positive regulation of kinase activity)|go:"GO:0035397"(helper T cell enhancement of adaptive immune response)|go:"GO:0035723"(interleukin-15-mediated signaling pathway)|go:"GO:0038023"(signaling receptor activity)|go:"GO:0042011"(interleukin-16 binding)|go:"GO:0042012"(interleukin-16 receptor activity)|go:"GO:0042101"(T cell receptor complex)|go:"GO:0042110"(T cell activation)|go:"GO:0042289"(MHC class II protein binding)|go:"GO:0042802"(identical protein binding)|go:"GO:0042803"(protein homodimerization activity)|go:"GO:0043123"(positive regulation of I-kappaB kinase/NF-kappaB signaling)|go:"GO:0043410"(positive regulation of MAPK cascade)|go:"GO:0045058"(T cell selection)|go:"GO:0045121"(membrane raft)|rcsb pdb:2KLU|rcsb pdb:2NXY|rcsb pdb:2NXZ|rcsb pdb:2NY0|rcsb pdb:2NY1|rcsb pdb:2NY2|rcsb pdb:2NY3|rcsb pdb:2NY4|rcsb pdb:2NY5|rcsb pdb:2NY6|rcsb pdb:2QAD|rcsb pdb:3B71|rcsb pdb:3CD4|rcsb pdb:3J70|rcsb pdb:3JCB|rcsb pdb:3JCC|rcsb pdb:3JWD|rcsb pdb:3JWO|rcsb pdb:3LQA|rcsb pdb:3O2D|rcsb pdb:3S4S|rcsb pdb:3S5L|rcsb pdb:3T0E|rcsb pdb:4H8W|rcsb pdb:4JM2|rcsb pdb:4P9H|rcsb pdb:4Q6I|rcsb pdb:4R2G|rcsb pdb:4R4H|rcsb pdb:4RQS|rcsb pdb:5A7X|rcsb pdb:5A8H|rcsb pdb:5CAY|rcsb pdb:5THR|rcsb pdb:5U1F|rcsb pdb:5VN3|rcsb pdb:6CM3|rcsb pdb:6EDU|rcsb pdb:6L1Y|rcsb pdb:6MEO|rcsb pdb:6MET|rcsb pdb:6OPN|rcsb pdb:6OPO|rcsb pdb:6OPP|rcsb pdb:6OPQ|rcsb pdb:6QH6|rcsb pdb:6QH7|rcsb pdb:6U0L|rcsb pdb:6U0N|rcsb pdb:6URI|rcsb pdb:6X5B|rcsb pdb:6X5C|reactome:R-HSA-1462054|reactome:R-HSA-167590|reactome:R-HSA-173107|reactome:R-HSA-180534|reactome:R-HSA-202424|ensembl:ENSG00000010610(gene)|dip:DIP-617N	go:"GO:0045582"(positive regulation of T cell differentiation)|go:"GO:0002250"(adaptive immune response)|go:"GO:0005764"(lysosome)|go:"GO:0005886"(plasma membrane)|go:"GO:0009897"(external side of plasma membrane)|go:"GO:0016021"(integral component of membrane)|go:"GO:0019882"(antigen processing and presentation)|go:"GO:0019886"(antigen processing and presentation of exogenous peptide antigen via MHC class II)|go:"GO:0042130"(negative regulation of T cell proliferation)|go:"GO:0042605"(peptide antigen binding)|go:"GO:0042613"(MHC class II protein complex)|go:"GO:0044877"(protein-containing complex binding)|go:"GO:0048002"(antigen processing and presentation of peptide antigen)|interpro:IPR001003(MHC class II, alpha chain, N-terminal)|interpro:IPR003006(Immunoglobulin/major histocompatibility complex, conserved site)|interpro:IPR003597(Immunoglobulin C1-set)|interpro:IPR007110(Immunoglobulin-like)|interpro:IPR011162(MHC classes I and II-like antigen recognition)|interpro:IPR013783(Immunoglobulin-like fold)|interpro:IPR014745(MHC class II, alpha/beta chain, N-terminal)|interpro:IPR036179|rcsb pdb:1D9K|rcsb pdb:1IAK|rcsb pdb:1JL4|reactome:R-MMU-202424|reactome:R-MMU-202427|reactome:R-MMU-202430|reactome:R-MMU-202433|reactome:R-MMU-2132295|reactome:R-MMU-389948|mint:P01910|dip:DIP-6133N	-	-	-	assembly:tetrameric, multimeric|3d-r-factors:working 58.00%, free 54.700%|3d-resolution:4.3A|dataset:PDBe - Data obtained from the Protein Data Bank Europe	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/09/20	2014/10/16	rogid:twRRh+v4xPOIlmeD9jl+Jpqjle09606	rogid:/NFufWZucPsr0Vr4hmOP+x0m1OE10090	intact-crc:A0FBC083101D6F56|rigid:wyekNcAvXljzSLQEppAuw6zoOek	false	sufficient binding region:26-203	sufficient binding region:31-208	1	1	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)
uniprotkb:P01730	uniprotkb:P06343	intact:EBI-353826|uniprotkb:Q4ZGK2|uniprotkb:Q5U066|uniprotkb:Q9UDE5|uniprotkb:B2R737|uniprotkb:D3DUS5|ensembl:ENSP00000011653	intact:EBI-1031903|uniprotkb:Q31137	psi-mi:cd4_human(display_long)|uniprotkb:CD4(gene name)|psi-mi:CD4(display_short)|uniprotkb:T-cell surface antigen T4/Leu-3(gene name synonym)	psi-mi:hb2k_mouse(display_long)|uniprotkb:H2-Ab1(gene name)|psi-mi:H2-Ab1(display_short)	psi-mi:"MI:0114"(x-ray crystallography)	Wang et al. (2001)	pubmed:11535811|mint:MINT-6652349	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:10090(mouse)|taxid:10090(Mus musculus)	psi-mi:"MI:0915"(physical association)	psi-mi:"MI:0471"(MINT)	intact:EBI-1031932|rcsb pdb:1JL4	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_000607.1|rcsb pdb:1CDI|rcsb pdb:1CDJ|rcsb pdb:1CDU|rcsb pdb:1CDY|rcsb pdb:1G9M|rcsb pdb:1G9N|rcsb pdb:1GC1|rcsb pdb:1JL4|rcsb pdb:1OPN|rcsb pdb:1OPT|rcsb pdb:1OPW|rcsb pdb:1Q68|rcsb pdb:1RZJ|rcsb pdb:1RZK|rcsb pdb:1WBR|rcsb pdb:1WIO|rcsb pdb:1WIP|rcsb pdb:1WIQ|rcsb pdb:2B4C|rcsb pdb:1CDH|rcsb pdb:2JKR|rcsb pdb:2JKT|reactome:R-HSA-202430|reactome:R-HSA-202433|reactome:R-HSA-202427|reactome:R-HSA-389948|reactome:R-HSA-449836|reactome:R-HSA-8856825|reactome:R-HSA-8856828|ensembl:ENST00000011653(transcript)|go:"GO:0045657"(positive regulation of monocyte differentiation)|go:"GO:0045860"(positive regulation of protein kinase activity)|go:"GO:0045893"(positive regulation of transcription, DNA-templated)|go:"GO:0046598"(positive regulation of viral entry into host cell)|go:"GO:0050731"(positive regulation of peptidyl-tyrosine phosphorylation)|go:"GO:0050829"(defense response to Gram-negative bacterium)|go:"GO:0050850"(positive regulation of calcium-mediated signaling)|go:"GO:0050863"(regulation of T cell activation)|go:"GO:0050870"(positive regulation of T cell activation)|go:"GO:0051924"(regulation of calcium ion transport)|go:"GO:0070374"(positive regulation of ERK1 and ERK2 cascade)|go:"GO:0097011"(cellular response to granulocyte macrophage colony-stimulating factor stimulus)|go:"GO:1990782"(protein tyrosine kinase binding)|interpro:IPR000973(T-cell surface antigen CD4)|interpro:IPR003598(Immunoglobulin subtype 2)|interpro:IPR003599(Immunoglobulin subtype)|interpro:IPR007110(Immunoglobulin-like)|interpro:IPR008424(Immunoglobulin C2-set)|interpro:IPR013106(Immunoglobulin V-set)|interpro:IPR013151(Immunoglobulin)|interpro:IPR013783(Immunoglobulin-like fold)|interpro:IPR015274(CD4, extracellular)|interpro:IPR021963|interpro:IPR036179|mint:P01730|go:"GO:0001618"(virus receptor activity)|go:"GO:0001934"(positive regulation of protein phosphorylation)|go:"GO:0002250"(adaptive immune response)|go:"GO:0004888"(transmembrane signaling receptor activity)|go:"GO:0005201"(extracellular matrix structural constituent)|go:"GO:0005769"(early endosome)|go:"GO:0005788"(endoplasmic reticulum lumen)|go:"GO:0005789"(endoplasmic reticulum membrane)|go:"GO:0005886"(plasma membrane)|go:"GO:0005887"(integral component of plasma membrane)|go:"GO:0006948"(induction by virus of host cell-cell fusion)|go:"GO:0006955"(immune response)|go:"GO:0007155"(cell adhesion)|go:"GO:0007165"(signal transduction)|go:"GO:0007166"(cell surface receptor signaling pathway)|go:"GO:0007167"(enzyme linked receptor protein signaling pathway)|go:"GO:0007169"(transmembrane receptor protein tyrosine kinase signaling pathway)|go:"GO:0008270"(zinc ion binding)|go:"GO:0009897"(external side of plasma membrane)|go:"GO:0015026"(coreceptor activity)|go:"GO:0019899"(enzyme binding)|go:"GO:0019901"(protein kinase binding)|go:"GO:0023026"(MHC class II protein complex binding)|go:"GO:0030217"(T cell differentiation)|go:"GO:0030225"(macrophage differentiation)|go:"GO:0030669"(clathrin-coated endocytic vesicle membrane)|go:"GO:0032507"(maintenance of protein location in cell)|go:"GO:0032743"(positive regulation of interleukin-2 production)|go:"GO:0033674"(positive regulation of kinase activity)|go:"GO:0035397"(helper T cell enhancement of adaptive immune response)|go:"GO:0035723"(interleukin-15-mediated signaling pathway)|go:"GO:0038023"(signaling receptor activity)|go:"GO:0042011"(interleukin-16 binding)|go:"GO:0042012"(interleukin-16 receptor activity)|go:"GO:0042101"(T cell receptor complex)|go:"GO:0042110"(T cell activation)|go:"GO:0042289"(MHC class II protein binding)|go:"GO:0042802"(identical protein binding)|go:"GO:0042803"(protein homodimerization activity)|go:"GO:0043123"(positive regulation of I-kappaB kinase/NF-kappaB signaling)|go:"GO:0043410"(positive regulation of MAPK cascade)|go:"GO:0045058"(T cell selection)|go:"GO:0045121"(membrane raft)|rcsb pdb:2KLU|rcsb pdb:2NXY|rcsb pdb:2NXZ|rcsb pdb:2NY0|rcsb pdb:2NY1|rcsb pdb:2NY2|rcsb pdb:2NY3|rcsb pdb:2NY4|rcsb pdb:2NY5|rcsb pdb:2NY6|rcsb pdb:2QAD|rcsb pdb:3B71|rcsb pdb:3CD4|rcsb pdb:3J70|rcsb pdb:3JCB|rcsb pdb:3JCC|rcsb pdb:3JWD|rcsb pdb:3JWO|rcsb pdb:3LQA|rcsb pdb:3O2D|rcsb pdb:3S4S|rcsb pdb:3S5L|rcsb pdb:3T0E|rcsb pdb:4H8W|rcsb pdb:4JM2|rcsb pdb:4P9H|rcsb pdb:4Q6I|rcsb pdb:4R2G|rcsb pdb:4R4H|rcsb pdb:4RQS|rcsb pdb:5A7X|rcsb pdb:5A8H|rcsb pdb:5CAY|rcsb pdb:5THR|rcsb pdb:5U1F|rcsb pdb:5VN3|rcsb pdb:6CM3|rcsb pdb:6EDU|rcsb pdb:6L1Y|rcsb pdb:6MEO|rcsb pdb:6MET|rcsb pdb:6OPN|rcsb pdb:6OPO|rcsb pdb:6OPP|rcsb pdb:6OPQ|rcsb pdb:6QH6|rcsb pdb:6QH7|rcsb pdb:6U0L|rcsb pdb:6U0N|rcsb pdb:6URI|rcsb pdb:6X5B|rcsb pdb:6X5C|reactome:R-HSA-1462054|reactome:R-HSA-167590|reactome:R-HSA-173107|reactome:R-HSA-180534|reactome:R-HSA-202424|ensembl:ENSG00000010610(gene)|dip:DIP-617N	go:"GO:0002250"(adaptive immune response)|go:"GO:0005769"(early endosome)|go:"GO:0005771"(multivesicular body)|go:"GO:0005794"(Golgi apparatus)|go:"GO:0005886"(plasma membrane)|go:"GO:0006955"(immune response)|go:"GO:0006959"(humoral immune response)|go:"GO:0009897"(external side of plasma membrane)|go:"GO:0009986"(cell surface)|go:"GO:0016021"(integral component of membrane)|go:"GO:0019882"(antigen processing and presentation)|go:"GO:0019886"(antigen processing and presentation of exogenous peptide antigen via MHC class II)|go:"GO:0042130"(negative regulation of T cell proliferation)|go:"GO:0042605"(peptide antigen binding)|go:"GO:0042613"(MHC class II protein complex)|go:"GO:0044877"(protein-containing complex binding)|go:"GO:0048002"(antigen processing and presentation of peptide antigen)|go:"GO:0050852"(T cell receptor signaling pathway)|interpro:IPR000353(MHC class II, beta chain, N-terminal)|interpro:IPR003006(Immunoglobulin/major histocompatibility complex, conserved site)|interpro:IPR003597(Immunoglobulin C1-set)|interpro:IPR007110(Immunoglobulin-like)|interpro:IPR011162(MHC classes I and II-like antigen recognition)|interpro:IPR013783(Immunoglobulin-like fold)|interpro:IPR014745(MHC class II, alpha/beta chain, N-terminal)|interpro:IPR036179|rcsb pdb:1D9K|rcsb pdb:1IAK|rcsb pdb:1JL4|mint:P06343|dip:DIP-6134N	-	-	-	assembly:tetrameric, multimeric|3d-r-factors:working 58.00%, free 54.700%|3d-resolution:4.3A|dataset:PDBe - Data obtained from the Protein Data Bank Europe	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/09/20	2014/10/16	rogid:twRRh+v4xPOIlmeD9jl+Jpqjle09606	rogid:tKkt1xlGMkBU+Ew8dNuo9yv0rFw10090	intact-crc:A0FBC083101D6F56|rigid:wyekNcAvXljzSLQEppAuw6zoOek	false	sufficient binding region:26-203	sufficient binding region:34-216	1	1	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)
uniprotkb:P01730	uniprotkb:P02789	intact:EBI-353826|uniprotkb:Q4ZGK2|uniprotkb:Q5U066|uniprotkb:Q9UDE5|uniprotkb:B2R737|uniprotkb:D3DUS5|ensembl:ENSP00000011653	intact:EBI-1031899	psi-mi:cd4_human(display_long)|uniprotkb:CD4(gene name)|psi-mi:CD4(display_short)|uniprotkb:T-cell surface antigen T4/Leu-3(gene name synonym)	psi-mi:trfe_chick(display_long)|uniprotkb:Conalbumin(gene name synonym)|uniprotkb:Serum transferrin(gene name synonym)|uniprotkb:Allergen Gal d III(gene name synonym)	psi-mi:"MI:0114"(x-ray crystallography)	Wang et al. (2001)	pubmed:11535811|mint:MINT-6652349	taxid:9606(human)|taxid:9606(Homo sapiens)	taxid:9031(chick)|taxid:9031("Gallus gallus (Chicken)")	psi-mi:"MI:0915"(physical association)	psi-mi:"MI:0471"(MINT)	intact:EBI-1031932|rcsb pdb:1JL4	-	psi-mi:"MI:1060"(spoke expansion)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0499"(unspecified role)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0497"(neutral component)	psi-mi:"MI:0326"(protein)	psi-mi:"MI:0326"(protein)	refseq:NP_000607.1|rcsb pdb:1CDI|rcsb pdb:1CDJ|rcsb pdb:1CDU|rcsb pdb:1CDY|rcsb pdb:1G9M|rcsb pdb:1G9N|rcsb pdb:1GC1|rcsb pdb:1JL4|rcsb pdb:1OPN|rcsb pdb:1OPT|rcsb pdb:1OPW|rcsb pdb:1Q68|rcsb pdb:1RZJ|rcsb pdb:1RZK|rcsb pdb:1WBR|rcsb pdb:1WIO|rcsb pdb:1WIP|rcsb pdb:1WIQ|rcsb pdb:2B4C|rcsb pdb:1CDH|rcsb pdb:2JKR|rcsb pdb:2JKT|reactome:R-HSA-202430|reactome:R-HSA-202433|reactome:R-HSA-202427|reactome:R-HSA-389948|reactome:R-HSA-449836|reactome:R-HSA-8856825|reactome:R-HSA-8856828|ensembl:ENST00000011653(transcript)|go:"GO:0045657"(positive regulation of monocyte differentiation)|go:"GO:0045860"(positive regulation of protein kinase activity)|go:"GO:0045893"(positive regulation of transcription, DNA-templated)|go:"GO:0046598"(positive regulation of viral entry into host cell)|go:"GO:0050731"(positive regulation of peptidyl-tyrosine phosphorylation)|go:"GO:0050829"(defense response to Gram-negative bacterium)|go:"GO:0050850"(positive regulation of calcium-mediated signaling)|go:"GO:0050863"(regulation of T cell activation)|go:"GO:0050870"(positive regulation of T cell activation)|go:"GO:0051924"(regulation of calcium ion transport)|go:"GO:0070374"(positive regulation of ERK1 and ERK2 cascade)|go:"GO:0097011"(cellular response to granulocyte macrophage colony-stimulating factor stimulus)|go:"GO:1990782"(protein tyrosine kinase binding)|interpro:IPR000973(T-cell surface antigen CD4)|interpro:IPR003598(Immunoglobulin subtype 2)|interpro:IPR003599(Immunoglobulin subtype)|interpro:IPR007110(Immunoglobulin-like)|interpro:IPR008424(Immunoglobulin C2-set)|interpro:IPR013106(Immunoglobulin V-set)|interpro:IPR013151(Immunoglobulin)|interpro:IPR013783(Immunoglobulin-like fold)|interpro:IPR015274(CD4, extracellular)|interpro:IPR021963|interpro:IPR036179|mint:P01730|go:"GO:0001618"(virus receptor activity)|go:"GO:0001934"(positive regulation of protein phosphorylation)|go:"GO:0002250"(adaptive immune response)|go:"GO:0004888"(transmembrane signaling receptor activity)|go:"GO:0005201"(extracellular matrix structural constituent)|go:"GO:0005769"(early endosome)|go:"GO:0005788"(endoplasmic reticulum lumen)|go:"GO:0005789"(endoplasmic reticulum membrane)|go:"GO:0005886"(plasma membrane)|go:"GO:0005887"(integral component of plasma membrane)|go:"GO:0006948"(induction by virus of host cell-cell fusion)|go:"GO:0006955"(immune response)|go:"GO:0007155"(cell adhesion)|go:"GO:0007165"(signal transduction)|go:"GO:0007166"(cell surface receptor signaling pathway)|go:"GO:0007167"(enzyme linked receptor protein signaling pathway)|go:"GO:0007169"(transmembrane receptor protein tyrosine kinase signaling pathway)|go:"GO:0008270"(zinc ion binding)|go:"GO:0009897"(external side of plasma membrane)|go:"GO:0015026"(coreceptor activity)|go:"GO:0019899"(enzyme binding)|go:"GO:0019901"(protein kinase binding)|go:"GO:0023026"(MHC class II protein complex binding)|go:"GO:0030217"(T cell differentiation)|go:"GO:0030225"(macrophage differentiation)|go:"GO:0030669"(clathrin-coated endocytic vesicle membrane)|go:"GO:0032507"(maintenance of protein location in cell)|go:"GO:0032743"(positive regulation of interleukin-2 production)|go:"GO:0033674"(positive regulation of kinase activity)|go:"GO:0035397"(helper T cell enhancement of adaptive immune response)|go:"GO:0035723"(interleukin-15-mediated signaling pathway)|go:"GO:0038023"(signaling receptor activity)|go:"GO:0042011"(interleukin-16 binding)|go:"GO:0042012"(interleukin-16 receptor activity)|go:"GO:0042101"(T cell receptor complex)|go:"GO:0042110"(T cell activation)|go:"GO:0042289"(MHC class II protein binding)|go:"GO:0042802"(identical protein binding)|go:"GO:0042803"(protein homodimerization activity)|go:"GO:0043123"(positive regulation of I-kappaB kinase/NF-kappaB signaling)|go:"GO:0043410"(positive regulation of MAPK cascade)|go:"GO:0045058"(T cell selection)|go:"GO:0045121"(membrane raft)|rcsb pdb:2KLU|rcsb pdb:2NXY|rcsb pdb:2NXZ|rcsb pdb:2NY0|rcsb pdb:2NY1|rcsb pdb:2NY2|rcsb pdb:2NY3|rcsb pdb:2NY4|rcsb pdb:2NY5|rcsb pdb:2NY6|rcsb pdb:2QAD|rcsb pdb:3B71|rcsb pdb:3CD4|rcsb pdb:3J70|rcsb pdb:3JCB|rcsb pdb:3JCC|rcsb pdb:3JWD|rcsb pdb:3JWO|rcsb pdb:3LQA|rcsb pdb:3O2D|rcsb pdb:3S4S|rcsb pdb:3S5L|rcsb pdb:3T0E|rcsb pdb:4H8W|rcsb pdb:4JM2|rcsb pdb:4P9H|rcsb pdb:4Q6I|rcsb pdb:4R2G|rcsb pdb:4R4H|rcsb pdb:4RQS|rcsb pdb:5A7X|rcsb pdb:5A8H|rcsb pdb:5CAY|rcsb pdb:5THR|rcsb pdb:5U1F|rcsb pdb:5VN3|rcsb pdb:6CM3|rcsb pdb:6EDU|rcsb pdb:6L1Y|rcsb pdb:6MEO|rcsb pdb:6MET|rcsb pdb:6OPN|rcsb pdb:6OPO|rcsb pdb:6OPP|rcsb pdb:6OPQ|rcsb pdb:6QH6|rcsb pdb:6QH7|rcsb pdb:6U0L|rcsb pdb:6U0N|rcsb pdb:6URI|rcsb pdb:6X5B|rcsb pdb:6X5C|reactome:R-HSA-1462054|reactome:R-HSA-167590|reactome:R-HSA-173107|reactome:R-HSA-180534|reactome:R-HSA-202424|ensembl:ENSG00000010610(gene)|dip:DIP-617N	refseq:NP_990635.1|interpro:IPR001156(Peptidase S60, transferrin lactoferrin)|interpro:IPR016357(Transferrin)|interpro:IPR018195|go:"GO:0005506"(iron ion binding)|go:"GO:0005615"(extracellular space)|go:"GO:0005769"(early endosome)|go:"GO:0005886"(plasma membrane)|go:"GO:0006826"(iron ion transport)|go:"GO:0006880"(intracellular sequestering of iron ion)|go:"GO:0006881"(extracellular sequestering of iron ion)|go:"GO:0006953"(acute-phase response)|go:"GO:0008199"(ferric iron binding)|go:"GO:0019730"(antimicrobial humoral response)|go:"GO:0019731"(antibacterial humoral response)|go:"GO:0032496"(response to lipopolysaccharide)|go:"GO:0042493"|go:"GO:0055037"(recycling endosome)|go:"GO:1990377"(organomineral extracellular matrix)|rcsb pdb:1AIV|rcsb pdb:1D9K|rcsb pdb:1IEJ|rcsb pdb:1IQ7|rcsb pdb:1JL4|rcsb pdb:1N04|rcsb pdb:1NFT|rcsb pdb:1NNT|rcsb pdb:1OVT|rcsb pdb:1RYX|rcsb pdb:1TFA|rcsb pdb:2D3I|mint:P02789	-	-	-	assembly:tetrameric, multimeric|3d-r-factors:working 58.00%, free 54.700%|3d-resolution:4.3A|dataset:PDBe - Data obtained from the Protein Data Bank Europe	taxid:-1(in vitro)|taxid:-1(In vitro)	-	2006/09/20	2014/10/16	rogid:twRRh+v4xPOIlmeD9jl+Jpqjle09606	rogid:US5QXNSb6CB9zD1/MlHEpaJjD9o9031	intact-crc:A0FBC083101D6F56|rigid:wyekNcAvXljzSLQEppAuw6zoOek	false	sufficient binding region:26-203	sufficient binding region:153-165	1	1	psi-mi:"MI:0396"(predetermined participant)	psi-mi:"MI:0396"(predetermined participant)