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Spaca1 Spaca1 Zpbp Zpbp Izumo1 Izumo1 Ssmem1 Ssmem1 Zp3r Zp3r Spata46 Spata46 Dpy19l2 Dpy19l2 Spaca3 Spaca3 Zpbp2 Zpbp2 Spata16 Spata16 Tssk4 Tssk4
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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
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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Spaca1Sperm acrosome membrane-associated protein 1; Plays a role in acrosome expansion and establishment of normal sperm morphology during spermatogenesis. Important for male fertility. (305 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. Belongs to the zona pellucida-binding protein Sp38 family.
   
  
 0.867
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'.
   
  
 0.846
Ssmem1
Serine-rich single-pass membrane protein 1.
      
 0.829
Zp3r
Zona pellucida sperm-binding protein 3 receptor; Binds to ZP3 glycoprotein in egg zona pellucida. Probably involved in interactions between sperm acrosome and egg zona pellucida during and immediately following the acrosome reaction.
   
  
 0.785
Spata46
Spermatogenesis-associated protein 46; Plays a role in spermiogenesis and fertilization.
   
  
 0.782
Dpy19l2
Probable C-mannosyltransferase DPY19L2; Probable C-mannosyltransferase that mediates C-mannosylation of tryptophan residues on target proteins. Required during spermatogenesis for sperm head elongation and acrosome formation (By similarity).
      
 0.767
Spaca3
Sperm acrosome membrane-associated protein 3, processed form; Sperm surface membrane protein that may be involved in sperm- egg plasma membrane adhesion and fusion during fertilization. It could be a potential receptor for the egg oligosaccharide residue N- acetylglucosamine, which is present in the extracellular matrix over the egg plasma membrane. The processed form has no detectable bacteriolytic activity in vitro (By similarity); Belongs to the glycosyl hydrolase 22 family.
   
  
 0.734
Zpbp2
Zona pellucida-binding protein 2; Is implicated in sperm-oocyte interaction during fertilization.
   
  
 0.713
Spata16
Spermatogenesis-associated protein 16; Involved in the formation of sperm acrosome, which implicated its potential role in spermatogenesis and sperm-egg fusion. Belongs to the SPATA16 family.
   
  
 0.709
Tssk4
Testis-specific serine/threonine-protein kinase 4; [Isoform 1]: Serine/threonine kinase which is involved in male germ cell development and in mature sperm function. May be involved in the Cre/Creb signaling pathway. Phosphorylates CREB1 on 'Ser-133' in vitro and can stimulate Cre/Creb pathway in cells (By similarity). Phosphorylates CREM on 'Ser-116' in vitro. Phosphorylates ODF2 on 'Ser-95'. [Isoform 3]: Catalytically inactive. Belongs to the protein kinase superfamily. CAMK Ser/Thr protein kinase family.
   
 
 0.689
Your Current Organism:
Mus musculus
NCBI taxonomy Id: 10090
Other names: LK3 transgenic mice, M. musculus, Mus sp. 129SV, house mouse, mouse, nude mice, transgenic mice
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