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5W21

Crystal Structure of a 1:1:1 FGF23-FGFR1c-aKlotho Ternary Complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
B0008083molecular_functiongrowth factor activity
Functional Information from PROSITE/UniProt
site_idPS00653
Number of Residues15
DetailsGLYCOSYL_HYDROL_F1_2 Glycosyl hydrolases family 1 N-terminal signature. FlWAvGsAAYQtEgG
ChainResidueDetails
APHE65-GLY79

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues438
DetailsRegion: {"description":"Glycosyl hydrolase-1 2"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues11
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Cleavage; by proprotein convertases"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by FAM20C","evidences":[{"source":"PubMed","id":"31932717","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsGlycosylation: {"description":"O-linked (GalNAc) threonine","evidences":[{"source":"PubMed","id":"31932717","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsGlycosylation: {"description":"O-linked (GalNAc) threonine","evidences":[{"source":"PubMed","id":"16638743","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31932717","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues88
DetailsDomain: {"description":"Ig-like C2-type 2"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues102
DetailsDomain: {"description":"Ig-like C2-type 3"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues17
DetailsRegion: {"description":"Heparin-binding"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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