Difference between revisions of "Phosphatase Subfamily CTDSPL2"

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[[Phosphatase classification|Phosphatase Classification]]: [[Phosphatase_Family_FCP|FCP]]: [[Phosphatase_Subfamily_HSPC129|HSPC129]]
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[[Phosphatase classification|Phosphatase Classification]]: [[Phosphatase_Family_FCP|FCP]]: [[Phosphatase_Subfamily_CTDSPL2|CTDSPL2]]
 
__NOTOC__
 
__NOTOC__
  
HSPC129 is also known as HSPC058, and CTDSPL2 (CTD small phosphatase like 2). It has not been well characterized, though in vitro assay showed its phosphatase activity toward CTD. <cite>qian</cite>.
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CTDSPL2 (CTD small phosphatase like 2) is a poorly-studied RNA polymerase CTD phosphatase which is found in most eukaryotes.
  
 
===Evolution===
 
===Evolution===
HSPC129 is conserved from Monosiga to human but lost in fruit fly.
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CTDSPL2 is found as a single copy gene in most eukaryotes. It is absent from all but a few basal fungi, and is also lost in Drosophilids. The human gene is called CTSDPL2, HSPC058, HSPC129, or SCP4
  
 
===Domain Structure===
 
===Domain Structure===
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Usually a C-terminal phosphatase domain with a relatively poorly conserved N-terminal extension
  
 
===Catalytic activity===
 
===Catalytic activity===
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Human CTDSPL2 has experimentally-shown activity <cite>qian</cite> and orthologs are also predicted to be active.
  
===Curation notes===  
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===Functions===
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Human CTDSPL2 binds and dephosphorylates Smad1/5/8, and attenuates signaling through the BMP pathway <cite>Zhao</cite>
  
 
===Related Kinases===
 
===Related Kinases===
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<biblio>
 
<biblio>
 
#qian pmid=17487459
 
#qian pmid=17487459
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#Zhao pmid=25100727
 
</biblio>
 
</biblio>
  

Revision as of 06:41, 30 December 2014

Phosphatase Classification: FCP: CTDSPL2


CTDSPL2 (CTD small phosphatase like 2) is a poorly-studied RNA polymerase CTD phosphatase which is found in most eukaryotes.

Evolution

CTDSPL2 is found as a single copy gene in most eukaryotes. It is absent from all but a few basal fungi, and is also lost in Drosophilids. The human gene is called CTSDPL2, HSPC058, HSPC129, or SCP4

Domain Structure

Usually a C-terminal phosphatase domain with a relatively poorly conserved N-terminal extension

Catalytic activity

Human CTDSPL2 has experimentally-shown activity [1] and orthologs are also predicted to be active.

Functions

Human CTDSPL2 binds and dephosphorylates Smad1/5/8, and attenuates signaling through the BMP pathway [2]

Related Kinases

See Phosphorylation of RNA polymerase II C-terminal domain.

References

Error fetching PMID 17487459:
Error fetching PMID 25100727:
  1. Error fetching PMID 17487459: [qian]
  2. Error fetching PMID 25100727: [Zhao]
All Medline abstracts: PubMed | HubMed


Links

Human HSPC129 from NCBI Gene