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Overview

Uniprot IDQ9BS86
Protein NameZona pellucida-binding protein 1
Gene NameZPBP
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
79 AYVMLHQKSPHVLCV

Function

Plays a role in acrosome compaction and sperm morphogenesis (PubMed:21911476). Is implicated in sperm-oocyte interaction during fertilization (By similarity)

Protein Sequence

10 MEAFALGPAR 20 RGRRRTRAAG 30 SLLSRAAILL 40 FISAFLVRVP 50 SSVGHLVRLP 60 RAFRLTKDSV 70 KIVGSTSFPV 80 KAYVMLHQKS 90 PHVLCVTQQL 100 RNAELIDPSF 110 QWYGPKGKVV 120 SVENRTAQIT 130 STGSLVFQNF 140 EESMSGIYTC 150 FLEYKPTVEE 160 IVKRLQLKYA 170 IYAYREPHYY 180 YQFTARYHAA 190 PCNSIYNISF 200 EKKLLQILSK 210 LLLDLSCEIS 220 LLKSECHRVK 230 MQRAGLQNEL 240 FFAFSVSSLD 250 TEKGPKRCTD 260 HNCEPYKRLF 270 KAKNLIERFF 280 NQQVEILGRR 290 AEQLPQIYYI 300 EGTLQMVWIN 310 RCFPGYGMNV 320 QQHPKCPECC 330 VICSPGSYNP 340 RDGIHCLQCN 350 SSLVYGAKTC L

Gene Ontology

Classification GO ID Description
Cellular Component GO:0002080 acrosomal membrane
Cellular Component GO:0001669 acrosomal vesicle
Cellular Component GO:0005576 extracellular region
Cellular Component GO:0005634 nucleus
Cellular Component GO:0002199 zona pellucida receptor complex
Biological Process GO:0001675 acrosome assembly
Biological Process GO:0007339 binding of sperm to zona pellucida

Reference

[1] Yan M, Tu H, Tang S, Gai Z, Shi Q et al.. Lactylated Proteomic Analysis Reveals Functional Implications of Lysine Lactylation In Asthenozoospermia.. Mol Cell Proteomics 24(12):101439. 2025 Dec. PMID: 41192556.