Homo sapiens Protein: SPACA4
Summary
InnateDB Protein IDBP-60741.5
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol SPACA4
Protein Name sperm acrosome associated 4
Synonyms
Species Homo sapiens
Ensembl Protein ENSP00000312774
InnateDB Gene IDBG-60739 (SPACA4)
Protein Structure
UniProt Annotation
Function Sperm surface membrane protein that may be involved in sperm-egg plasma membrane adhesion and fusion during fertilization.
Subcellular Localization Cell membrane {ECO:0000269PubMed:12788941}; Lipid-anchor, GPI-anchor {ECO:0000269PubMed:12788941}. Cytoplasmic vesicle, secretory vesicle, acrosome {ECO:0000269PubMed:12788941}. Note=Expressed in acrosomal matrix and outer and inner acrosomal membranes.
Disease Associations
Tissue Specificity Testis specific. Expressed in spermatozoa. {ECO:0000269PubMed:12788941}.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 0 experimentally validated interaction(s) in this database.
Gene Ontology

Molecular Function
Accession GO Term
Biological Process
GO:0007155 cell adhesion
Cellular Component
GO:0001669 acrosomal vesicle
GO:0005886 plasma membrane
GO:0031225 anchored component of membrane
Protein Structure and Domains
PDB ID
InterPro IPR001526 CD59 antigen
PFAM PF00021
PRINTS
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt Q8TDM5
PhosphoSite PhosphoSite-
TrEMBL
UniProt Splice Variant
Entrez Gene 171169
UniGene Hs.122599
RefSeq NP_598005
HUGO HGNC:16441
OMIM 609932
CCDS CCDS12725
HPRD 15421
IMGT
EMBL AF353721 AY358387 BC047334
GenPept AAH47334 AAL83950 AAQ88753