Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Knowledge-based Evidence
from curated databases
textmining
Assay-based Predictions
experimentally determined
co-expression
Genomic Predictions
gene neighborhood
gene co-occurrence
gene fusions
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[Homology]
Score
SPACA1Sperm acrosome membrane-associated protein 1; Plays a role in acrosome expansion and establishment of normal sperm morphology during spermatogenesis (By similarity). Important for male fertility. (294 aa)    
Predicted Functional Partners:
ZPBP
Zona pellucida-binding protein 1; Plays a role in acrosome compaction and sperm morphogenesis. Is implicated in sperm-oocyte interaction during fertilization (By similarity).
   
  
 0.937
AKAP3
A-kinase anchor protein 3; May function as a regulator of both motility- and head- associated functions such as capacitation and the acrosome reaction.
  
  
 0.933
CCIN
Calicin; Possible morphogenetic cytoskeletal element in spermiogenic differentiation.
   
  
 0.923
AKAP4
A-kinase anchor protein 4; Major structural component of sperm fibrous sheath. Plays a role in sperm motility; Belongs to the AKAP110 family.
   
  
 0.912
DPY19L2
Probable C-mannosyltransferase DPY19L2; Probable C-mannosyltransferase that mediates C-mannosylation of tryptophan residues on target proteins (By similarity). Required during spermatogenesis for sperm head elongation and acrosome formation; Belongs to the dpy-19 family.
   
  
 0.888
NUP210L
Nuclear pore membrane glycoprotein 210-like; Nucleoporin 210 like; Belongs to the NUP210 family.
   
  
 0.871
ROPN1
Ropporin-1A; Important for male fertility. With ROPN1L, involved in fibrous sheath integrity and sperm motility, plays a role in PKA- dependent signaling processes required for spermatozoa capacitation. Belongs to the ropporin family.
   
  
 0.852
IZUMO1
Izumo sperm-egg fusion protein 1; Essential sperm cell-surface protein required for fertilization by acting as a ligand for IZUMO1R/JUNO receptor on egg. The IZUMO1:IZUMO1R/JUNO interaction is a necessary adhesion event between sperm and egg that is required for fertilization but is not sufficient for cell fusion. The ligand- receptor interaction probably does not act as a membrane 'fusogen'.
   
  
 0.848
TEKT4
Tektin-4; May be a structural component of the sperm flagellum. Contributes to normal sperm motility; Belongs to the tektin family.
   
  
 0.837
ACRBP
Acrosin-binding protein; May be involved in packaging and condensation of the acrosin zymogen in the acrosomal matrix via its association with proacrosin.
   
  
 0.828
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, human, man
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