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5B5K

Crystal structure of Izumo1, the mammalian sperm ligand for egg Juno

Functional Information from GO Data
ChainGOidnamespacecontents
A0005102molecular_functionsignaling receptor binding
A0007342biological_processfusion of sperm to egg plasma membrane involved in single fertilization
A0016020cellular_componentmembrane
A0035036biological_processsperm-egg recognition
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues84
DetailsDomain: {"description":"Ig-like C2-type"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsRegion: {"description":"Important for interaction with IZUMO1R","evidences":[{"source":"PubMed","id":"27309808","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"18952059","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27374339","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5B5K","evidenceCode":"ECO:0000312"}]}
ChainResidueDetails

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PDB entries from 2025-10-08

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