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CTDSP1
HPA
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  • CTDSP1
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

CTDSP1
Synonyms NLIIF, SCP1
Gene descriptioni

Full gene name according to HGNC.

CTD small phosphatase 1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Enzymes
Plasma proteins
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 2
Cytoband q35
Chromosome location (bp) 218398256 - 218405941
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

5
Ensembl ENSG00000144579 (version 109)
Entrez gene 58190
HGNC HGNC:21614
UniProt Q9GZU7 (UniProt - Evidence at protein level)
neXtProt NX_Q9GZU7
GeneCards CTDSP1
Antibodypedia CTDSP1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Preferentially catalyzes the dephosphorylation of 'Ser-5' within the tandem 7 residue repeats in the C-terminal domain (CTD) of the largest RNA polymerase II subunit POLR2A. Negatively regulates RNA polymerase II transcription, possibly by controlling the transition from initiation/capping to processive transcript elongation. Recruited by REST to neuronal genes that contain RE-1 elements, leading to neuronal gene silencing in non-neuronal cells.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Hydrolase, Protein phosphatase
Ligand (UniProt)i

Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.

Magnesium, Metal-binding
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a member of the small C-terminal domain phosphatase (SCP) family of nuclear phosphatases. These proteins play a role in transcriptional regulation through specific dephosphorylation of phosphoserine 5 within tandem heptapeptide repeats of the C-terminal domain of RNA polymerase II. The encoded protein plays a role in neuronal gene silencing in non-neuronal cells, and may also inhibit osteoblast differentiation. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Oct 2011]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
CTDSP1-201
ENSP00000273062
ENST00000273062
Q9GZU7
[Direct mapping] Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Plasma proteins
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001933 [negative regulation of protein phosphorylation]
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004722 [protein serine/threonine phosphatase activity]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0006470 [protein dephosphorylation]
GO:0008420 [RNA polymerase II CTD heptapeptide repeat phosphatase activity]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0017018 [myosin phosphatase activity]
GO:0045665 [negative regulation of neuron differentiation]
GO:0046872 [metal ion binding]
GO:0050768 [negative regulation of neurogenesis]
GO:0070062 [extracellular exosome]
GO:2000134 [negative regulation of G1/S transition of mitotic cell cycle]
Show all
261 aa
29.2 kDa
No 0
CTDSP1-202
ENSP00000403256
ENST00000428361
H7C1Z7
[Direct mapping] Protein-serine/threonine phosphatase
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004722 [protein serine/threonine phosphatase activity]
GO:0005654 [nucleoplasm]
GO:0008420 [RNA polymerase II CTD heptapeptide repeat phosphatase activity]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0017018 [myosin phosphatase activity]
Show all
262 aa
29.1 kDa
No 0
CTDSP1-203
ENSP00000411308
ENST00000431127
H7C3E0
[Direct mapping] Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005654 [nucleoplasm]
Show all
195 aa
21 kDa
No 0
CTDSP1-204
ENSP00000392248
ENST00000443891
Q9GZU7
[Direct mapping] Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Plasma proteins
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004722 [protein serine/threonine phosphatase activity]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0006470 [protein dephosphorylation]
GO:0008420 [RNA polymerase II CTD heptapeptide repeat phosphatase activity]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0017018 [myosin phosphatase activity]
GO:0046872 [metal ion binding]
GO:0070062 [extracellular exosome]
Show all
260 aa
29.1 kDa
No 0
CTDSP1-205
ENSP00000404301
ENST00000452977
H7C270
[Direct mapping] Protein-serine/threonine phosphatase
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004721 [phosphoprotein phosphatase activity]
GO:0004722 [protein serine/threonine phosphatase activity]
GO:0005654 [nucleoplasm]
GO:0008420 [RNA polymerase II CTD heptapeptide repeat phosphatase activity]
GO:0016787 [hydrolase activity]
GO:0016791 [phosphatase activity]
GO:0017018 [myosin phosphatase activity]
Show all
254 aa
28.4 kDa
No 0

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