STRINGSTRING
STRING protein interaction network
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.
Node Color
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.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
Your Input:
Neighborhood
Gene Fusion
Cooccurrence
Coexpression
Experiments
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Textmining
[Homology]
Score
sid4Septation initiation protein sid4; Required for activation of the spg1 GTPase signaling cascade which leads to the initiation of septation and the subsequent termination of mitosis. May act as a scaffold at the spindle pole body to which other components of the spg1 signaling cascade attach. (660 aa)    
Predicted Functional Partners:
cdc11
Septation initiation network scaffold protein cdc11; Essential for the onset of septum formation. Involved in the organization of astral microtubules during mitosis. Acts as a bridge between sid4 and the other SIN proteins mediating their association with the spindle pole body (SPB). The sid4-cdc11 complex organizes a signaling hub on the SPB which coordinates cell and nuclear division.
   
 
 0.986
ppc89
Spindle pole body protein ppc89; Has a role in meiosis.
   
 
 0.962
dma1
Probable E3 ubiquitin-protein ligase dma1; Probable E3 ubiquitin-protein ligase which is a component of the spindle assembly checkpoint, required to prevent septum formation and premature exit from mitosis if spindle function is compromised. Inhibits the septation initiation netwok (SIN) during spindle checkpoint activation. The effect appears to be mediated through preventing the SIN activator, plo1 kinase, from localizing to the SPB. Belongs to the DMA1 family.
    
 
 0.958
sid2
Serine/threonine-protein kinase sid2; Part of a signaling pathway. Required for initiation of medial ring constriction and septation; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family.
    
 
 0.947
spg1
Septum-promoting GTP-binding protein 1; GTP-binding protein essential for the induction of septum formation at G2 and pre-START stages of mitosis. Acts via the cdc7 protein kinase pathway.
    
 
 0.930
plo1
Serine/threonine-protein kinase plo1; Required to form a bipolar spindle, the actin ring and septum. Functions upstream of the whole septum formation pathway, including actin ring formation (regulated by late septation genes) and septal material deposition (regulated by early septation genes). Behaves as a 'septum-promoting factor', and could also be involved in inducing other late events of cell division. Together with moa1, acts as a regulator of kinetochore function during meiosis I: required both for mono-orientation of kinetochores on sister chromosomes and protection of centromer [...]
    
 
 0.918
byr4
Protein byr4; Has an essential role in ensuring cytokinesis and septation occur only once during mitosis. It does so by interacting with the ras1 signaling pathways, thereby suppressing them; To yeast BFA1.
   
 
 0.897
sid1
Serine/threonine-protein kinase sid1; Has a role in the septation initiation network (SIN) required for cytokinesis.
   
 
 0.896
cdc7
Cell division control protein 7; Protein kinase essential for cell division. Plays a key role in initiation of septum formation and cytokinesis.
   
 
 0.896
atb2
Tubulin alpha-2 chain; Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain.
    
 
 0.894
Your Current Organism:
Schizosaccharomyces pombe
NCBI taxonomy Id: 284812
Other names: S. pombe 972h-, Schizosaccharomyces pombe 972h-
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