IntAct European Bioinformatics Institute IntAct intact http://www.ebi.ac.uk/ http://www.ebi.ac.uk/intact/query/${ac} EBI-[0-9]+|IA:[0-9]+ INTerAction database (IntAct) provides an open source database and toolkit for the storage, presentation and analysis of molecular interactions. http://www.ebi.ac.uk/intact European Bioinformatics Institute; Wellcome Trust Genome Campus; Hinxton, Cambridge; CB10 1SD; United Kingdom http://www.ebi.ac.uk/intact/ http://www.ebi.ac.uk/ zhang-2012a-1 Tiki1 Is Required for Head Formation via Wnt Cleavage-Oxidation and Inactivation. human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. anti tag coip anti tag coimmunoprecipitation anti tag coip western blot western blot Immuno blot Immuno blot Zhang X., Abreu J.G., Yokota C., Macdonald B.T., Singh S., Coburn K.L., Cheong S.M., Zhang M.M., Ye Q.Z., Hang H.C., Steen H., He X. Additional details on constructs supplied by the authors. xi.he@childrens.harvard.edu Cell (0092-8674) 2012 Only protein-protein interactions imex curation zhang-2012a-3 Tiki1 Is Required for Head Formation via Wnt Cleavage-Oxidation and Inactivation. human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. anti tag coip anti tag coimmunoprecipitation anti tag coip anti tag western anti tag western blot anti tag western Zhang X., Abreu J.G., Yokota C., Macdonald B.T., Singh S., Coburn K.L., Cheong S.M., Zhang M.M., Ye Q.Z., Hang H.C., Steen H., He X. Additional details on constructs supplied by the authors. xi.he@childrens.harvard.edu Cell (0092-8674) 2012 Only protein-protein interactions imex curation zhang-2012a-2 Tiki1 Is Required for Head Formation via Wnt Cleavage-Oxidation and Inactivation. in vitro In vitro protease assay protease assay western blot western blot Immuno blot Immuno blot Zhang X., Abreu J.G., Yokota C., Macdonald B.T., Singh S., Coburn K.L., Cheong S.M., Zhang M.M., Ye Q.Z., Hang H.C., Steen H., He X. Additional details on constructs supplied by the authors. xi.he@childrens.harvard.edu Cell (0092-8674) 2012 Only protein-protein interactions imex curation lrp6_human Low-density lipoprotein receptor-related protein 6 LRP6 protein protein human Homo sapiens Human MGAVLRSLLACSFCVLLRAAPLLLYANRRDLRLVDATNGKENATIVVGGLEDAAAVDFVFSHGLIYWSDVSEEAIKRTEFNKTESVQNVVVSGLLSPDGLACDWLGEKLYWTDSETNRIEVSNLDGSLRKVLFWQELDQPRAIALDPSSGFMYWTDWGEVPKIERAGMDGSSRFIIINSEIYWPNGLTLDYEEQKLYWADAKLNFIHKSNLDGTNRQAVVKGSLPHPFALTLFEDILYWTDWSTHSILACNKYTGEGLREIHSDIFSPMDIHAFSQQRQPNATNPCGIDNGGCSHLCLMSPVKPFYQCACPTGVKLLENGKTCKDGATELLLLARRTDLRRISLDTPDFTDIVLQLEDIRHAIAIDYDPVEGYIYWTDDEVRAIRRSFIDGSGSQFVVTAQIAHPDGIAVDWVARNLYWTDTGTDRIEVTRLNGTMRKILISEDLEEPRAIVLDPMVGYMYWTDWGEIPKIERAALDGSDRVVLVNTSLGWPNGLALDYDEGKIYWGDAKTDKIEVMNTDGTGRRVLVEDKIPHIFGFTLLGDYVYWTDWQRRSIERVHKRSAEREVIIDQLPDLMGLKATNVHRVIGSNPCAEENGGCSHLCLYRPQGLRCACPIGFELISDMKTCIVPEAFLLFSRRADIRRISLETNNNNVAIPLTGVKEASALDFDVTDNRIYWTDISLKTISRAFMNGSALEHVVEFGLDYPEGMAVDWLGKNLYWADTGTNRIEVSKLDGQHRQVLVWKDLDSPRALALDPAEGFMYWTEWGGKPKIDRAAMDGSERTTLVPNVGRANGLTIDYAKRRLYWTDLDTNLIESSNMLGLNREVIADDLPHPFGLTQYQDYIYWTDWSRRSIERANKTSGQNRTIIQGHLDYVMDILVFHSSRQSGWNECASSNGHCSHLCLAVPVGGFVCGCPAHYSLNADNRTCSAPTTFLLFSQKSAINRMVIDEQQSPDIILPIHSLRNVRAIDYDPLDKQLYWIDSRQNMIRKAQEDGSQGFTVVVSSVPSQNLEIQPYDLSIDIYSRYIYWTCEATNVINVTRLDGRSVGVVLKGEQDRPRAVVVNPEKGYMYFTNLQERSPKIERAALDGTEREVLFFSGLSKPIALALDSRLGKLFWADSDLRRIESSDLSGANRIVLEDSNILQPVGLTVFENWLYWIDKQQQMIEKIDMTGREGRTKVQARIAQLSDIHAVKELNLQEYRQHPCAQDNGGCSHICLVKGDGTTRCSCPMHLVLLQDELSCGEPPTCSPQQFTCFTGEIDCIPVAWRCDGFTECEDHSDELNCPVCSESQFQCASGQCIDGALRCNGDANCQDKSDEKNCEVLCLIDQFRCANGQCIGKHKKCDHNVDCSDKSDELDCYPTEEPAPQATNTVGSVIGVIVTIFVSGTVYFICQRMLCPRMKGDGETMTNDYVVHGPASVPLGYVPHPSSLSGSLPGMSRGKSMISSLSIMGGSSGPPYDRAHVTGASSSSSSSTKGTYFPAILNPPPSPATERSHYTMEFGYSSNSPSTHRSYSYRPYSYRHFAPPTTPCSTDVCDSDYAPSRRMTSVATAKGYTSDLNYDSEPVPPPPTPRSQYLSAEENYESCPPSPYTERSYSHHLYPPPPSPCTDSS wnt3a_human Protein Wnt-3a WNT3A protein protein human Homo sapiens Human MAPLGYFLLLCSLKQALGSYPIWWSLAVGPQYSSLGSQPILCASIPGLVPKQLRFCRNYVEIMPSVAEGIKIGIQECQHQFRGRRWNCTTVHDSLAIFGPVLDKATRESAFVHAIASAGVAFAVTRSCAEGTAAICGCSSRHQGSPGKGWKWGGCSEDIEFGGMVSREFADARENRPDARSAMNRHNNEAGRQAIASHMHLKCKCHGLSGSCEVKTCWWSQPDFRAIGDFLKDKYDSASEMVVEKHRESRGWVETLRPRYTYFKVPTERDLVYYEASPNFCEPNPETGSFGTRDRTCNVSSHGIDGCDLLCCGRGHNARAERRREKCRCVFHWCCYVSCQECTRVYDVHTCK fzd8_mouse Frizzled-8 Fzd8 protein protein mouse Mus musculus Mouse MEWGYLLEVTSLLAALAVLQRSSGAAAASAKELACQEITVPLCKGIGYNYTYMPNQFNHDTQDEAGLEVHQFWPLVEIQCSPDLKFFLCSMYTPICLEDYKKPLPPCRSVCERAKAGCAPLMRQYGFAWPDRMRCDRLPEQGNPDTLCMDYNRTDLTTAAPSPPRRLPPPPPPGEQPPSGSGHSRPPGARPPHRGGSSRGSGDAAAAPPSRGGKARPPGGGAAPCEPGCQCRAPMVSVSSERHPLYNRVKTGQIANCALPCHNPFFSQDERAFTVFWIGLWSVLCFVSTFATVSTFLIDMERFKYPERPIIFLSACYLFVSVGYLVRLVAGHEKVACSGGAPGAGGAGGAGGAAAAGAGAAGAGASSPGARGEYEELGAVEQHVRYETTGPALCTVVFLLVYFFGMASSIWWVILSLTWFLAAGMKWGNEAIAGYSQYFHLAAWLVPSVKSIAVLALSSVDGDPVAGICYVGNQSLDNLRGFVLAPLVIYLFIGTMFLLAGFVSLFRIRSVIKQQGGPTKTHKLEKLMIRLGLFTVLYTVPAAVVVACLFYEQHNRPRWEATHNCPCLRDLQPDQARRPDYAVFMLKYFMCLVVGITSGVWVWSGKTLESWRALCTRCCWASKGAAVGAGAGGSGPGGSGPGPGGGGGHGGGGGSLYSDVSTGLTWRSGTASSVSYPKQMPLSQV wnt3a_mouse Protein Wnt-3a Wnt3a Wnt-3a protein protein mouse Mus musculus Mouse MAPLGYLLVLCSLKQALGSYPIWWSLAVGPQYSSLSTQPILCASIPGLVPKQLRFCRNYVEIMPSVAEGVKAGIQECQHQFRGRRWNCTTVSNSLAIFGPVLDKATRESAFVHAIASAGVAFAVTRSCAEGSAAICGCSSRLQGSPGEGWKWGGCSEDIEFGGMVSREFADARENRPDARSAMNRHNNEAGRQAIASHMHLKCKCHGLSGSCEVKTCWWSQPDFRTIGDFLKDKYDSASEMVVEKHRESRGWVETLRPRYTYFKVPTERDLVYYEASPNFCEPNPETGSFGTRDRTCNVSSHGIDGCDLLCCGRGHNARTERRREKCHCVFHWCCYVSCQECTRVYDVHTCK tiki2_human Metalloprotease TIKI2 HKAT Heart, kidney and adipose-enriched transmembrane protein homolog TRABD2B TIKI2 TRAB domain-containing protein 2B protein protein human Homo sapiens Human MHAALAGPLLAALLATARARPQPPDGGQCRPPGSQRDLNSFLWTIRRDPPAYLFGTIHVPYTRVWDFIPDNSKAAFQASTRVYFELDLTDPYTISALASCQLLPHGENLQDVLPHELYWRLKRHLDYVKLMMPSWMTPAQRGKGLYADYLFNAIAGNWERKRPVWVMLMVNSLTERDVRFRGVPVLDLYLAQQAEKMKKTTGAVEQVEEQCHPLNNGLNFSQVLFALNQTLLQQESVRAGSLQASYTTEDLIKHYNCGDLSAVIFNHDTSQLPNFINTTLPPHEQVTAQEIDSYFRQELIYKRNERMGKRVMALLRENEDKICFFAFGAGHFLGNNTVIDILRQAGLEVDHTPAGQAIHSPAPQSPAPSPEGTSTSPAPVTPAAAVPEAPSVTPTAPPEDEDPALSPHLLLPDSLSQLEEFGRQRKWHKRQSTHQRPRQFNDLWVRIEDSTTASPPPLPLQPTHSSGTAKPPFQLSDQLQQQDPPGPASSSAPTLGLLPAIATTIAVCFLLHSLGPS wnt5a_mouse Protein Wnt-5a Wnt5a Wnt-5a protein protein mouse Mus musculus Mouse MKKPIGILSPGVALGTAGGAMSSKFFLMALATFFSFAQVVIEANSWWSLGMNNPVQMSEVYIIGAQPLCSQLAGLSQGQKKLCHLYQDHMQYIGEGAKTGIKECQYQFRHRRWNCSTVDNTSVFGRVMQIGSRETAFTYAVSAAGVVNAMSRACREGELSTCGCSRAARPKDLPRDWLWGGCGDNIDYGYRFAKEFVDARERERIHAKGSYESARILMNLHNNEAGRRTVYNLADVACKCHGVSGSCSLKTCWLQLADFRKVGDALKEKYDSAAAMRLNSRGKLVQVNSRFNSPTTQDLVYIDPSPDYCVRNESTGSLGTQGRLCNKTSEGMDGCELMCCGRGYDQFKTVQTERCHCKFHWCCYVKCKKCTEIVDQFVCK wnt8_xenla Protein Wnt-8 wnt8 protein protein xenla Xenopus laevis (African clawed frog) African clawed frog MQNTTLFILATLLIFCPFFTASAWSVNNFLMTGPKAYLTYSASVAVGAQNGIEECKYQFAWERWNCPESTLQLATHNGLRSATRETSFVHAISSAGVMYTLTRNCSMGDFDNCGCDDSRNGRIGGRGWVWGGCSDNAEFGERISKLFVDGLETGQDARALMNLHNNEAGRLAVKETMKRTCKCHGISGSCSIQTCWLQLAEFRDIGNHLKIKHDQALKLEMDKRKMRSGNSADNRGAIADAFSSVAGSELIFLEDSPDYCLKNISLGLQGTEGRECLQSGKNLSQWERRSCKRLCTDCGLRVEEKKTEIISSCNCKFHWCCTVKCEQCKQVVIKHFCARRERDSNMLNTKRKNRGHRR wn11b_xenla Protein Wnt-11b wnt11b wnt-11 wnt11 Protein Wnt-11 protein protein xenla Xenopus laevis (African clawed frog) African clawed frog MAPTRHWVTPLLLLCCSGICGAIQWLGLTVNGSRVAWNESEHCRLLDGLVPDQSQLCKRNLELMQSVVNAAKQTKLTCQMTLSDMRWNCSSVENAPSFTPDLSKGTRESAFVYALASATLSHTIARACASGELPTCSCGATPAEVPGTGFRWGGCGDNLHYGLNMGSAFVDAPMKSSKSAGTQATKIMNLHNNAVGRQVLMDSLETKCKCHGVSGSCSVKTCWKGLQDLPHIANELKSKYLGATKVIHRQTGTRRQLVPRELDIRPVRESELVYLVSSPDYCTKNPKLGSYGTQDRLCNKTSVGSDSCNLMCCGRGYNAYTETIVERCQCKYHWCCYVMCKKCERTVERYVCK lrp6-wnt3a 1301240 n/a 1301243 unspecified role unspecified role bait bait extracellular region sufficient to bind sufficient binding region sufficient to bind certain certain sequence position certain certain certain sequence position certain false region fc-igg tag fc-igg tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false n/a 1301244 unspecified role unspecified role prey prey physical association physical association false false false Fig. 4L Interaction not observed in TIKI2-expressing cells fzd8-wnt3a 1301240 n/a 1301245 unspecified role unspecified role bait bait region fc-igg tag fc-igg tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false n/a 1301244 unspecified role unspecified role prey prey physical association physical association false false false Fig. 4L Interaction not observed in TIKI2-expressing cells u632a-wnt3a-1 1301240 n/a 1301246 unspecified role unspecified role prey prey n/a 1301247 unspecified role unspecified role bait bait c-terminal his tag his tag Hexa-His-tag 6-His-tag Histidine-tag Hexa-His-tag Histidine-tag 6-His-tag c-term range C-terminal range c-term range c-term range C-terminal range c-term range false c-terminal flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged c-term range C-terminal range c-term range c-term range C-terminal range c-term range false extracellular region sufficient to bind sufficient binding region sufficient to bind range range range range false physical association physical association false false false Supp. FIg. 6D u632a-wnt5a 1301240 n/a 1301247 unspecified role unspecified role bait bait extracellular region sufficient to bind sufficient binding region sufficient to bind range range range range false c-terminal flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged c-term range C-terminal range c-term range c-term range C-terminal range c-term range false c-terminal his tag his tag Hexa-His-tag 6-His-tag Histidine-tag Hexa-His-tag Histidine-tag 6-His-tag c-term range C-terminal range c-term range c-term range C-terminal range c-term range false n/a 1301248 unspecified role unspecified role prey prey physical association physical association false false false Supp. FIg. 6F u632a-wnt8 1301241 n/a 1301249 unspecified role unspecified role prey prey region myc tag myc tag EUKLISEED epitope tag EUKLISEED epitope tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false n/a 1301247 unspecified role unspecified role bait bait c-terminal flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged c-term range C-terminal range c-term range c-term range C-terminal range c-term range false extracellular region sufficient to bind sufficient binding region sufficient to bind range range range range false c-terminal his tag his tag Hexa-His-tag 6-His-tag Histidine-tag Hexa-His-tag Histidine-tag 6-His-tag c-term range C-terminal range c-term range c-term range C-terminal range c-term range false human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. physical association physical association false false false Supp. FIg. 6E u632a-wnt11b 1301241 n/a 1301250 unspecified role unspecified role prey prey region myc tag myc tag EUKLISEED epitope tag EUKLISEED epitope tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false n/a 1301247 unspecified role unspecified role bait bait extracellular region sufficient to bind sufficient binding region sufficient to bind range range range range false c-terminal his tag his tag Hexa-His-tag 6-His-tag Histidine-tag Hexa-His-tag Histidine-tag 6-His-tag c-term range C-terminal range c-term range c-term range C-terminal range c-term range false c-terminal flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged c-term range C-terminal range c-term range c-term range C-terminal range c-term range false human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. physical association physical association false false false Supp. FIg. 6G wnt3a-u632a-1 1301242 n/a 1301246 enzyme target enzyme target substrate substrate unspecified role unspecified role region ha tag ha tag YPYDVPDYA epitope tag YPYDVPDYA epitope tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. n/a 1301247 enzyme enzyme unspecified role unspecified role c-terminal flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged c-term range C-terminal range c-term range c-term range C-terminal range c-term range false c-terminal his tag his tag Hexa-His-tag 6-His-tag Histidine-tag Hexa-His-tag Histidine-tag 6-His-tag c-term range C-terminal range c-term range c-term range C-terminal range c-term range false region required to bind necessary binding region required to bind deletion analysis deletion analysis certain certain sequence position certain certain certain sequence position certain false extracellular region sufficient to bind sufficient binding region sufficient to bind range range range range false human-293t Homo sapiens 293 cells transformed with SV40 large T antigen 293t 293 cells expressing SV40 large T antigen. The original designation of this cell line was 293tsA1609neo. It is not in Cabri,ATCC or HyperCLDB. protein cleavage protein cleavage false false false Fig. 5O, 5P, 5Q, 5R Supp. FIgs. 7A- 7E 1,10-phenanthroline, (a divalent metal chelator), EDTA (a divalent metal chelator), Ni2+, Cu2+, Zn2+, Co2+, Mn2+ Cleavage of HA-Wnt3a became obvious at 2 hr and exhibited preference for neutral to slightly basic pH (pH 7–9). TIKI2N was insensitive to Bestatin, an aminopeptidase inhibitor, and to a mixture of inhibitors for serine, cysteine, and aspartic proteases and aminopeptidases. This suggests Tiki is probably a Co2+- or Mn2+-dependent metalloprotease.