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MTPAP
HPA
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  • MTPAP
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.

MTPAP
Synonyms FLJ10486, PAPD1, SPAX4, TENT6
Gene descriptioni

Full gene name according to HGNC.

Mitochondrial poly(A) polymerase
Protein classi

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

Disease related genes
Enzymes
Human disease related genes
Metabolic proteins
Potential drug targets
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 10
Cytoband p11.23
Chromosome location (bp) 30309801 - 30374448
Number of transcriptsi

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

3
Ensembl ENSG00000107951 (version 109)
Entrez gene 55149
HGNC HGNC:25532
UniProt Q9NVV4 (UniProt - Evidence at protein level)
neXtProt NX_Q9NVV4
GeneCards MTPAP
Antibodypedia MTPAP antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Polymerase that creates the 3' poly(A) tail of mitochondrial transcripts. Can use all four nucleotides, but has higher activity with ATP and UTP (in vitro). Plays a role in replication-dependent histone mRNA degradation. May be involved in the terminal uridylation of mature histone mRNAs before their degradation is initiated. Might be responsible for the creation of some UAA stop codons which are not encoded in mtDNA.... show less
Molecular function (UniProt)i

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

Nucleotidyltransferase, RNA-binding, Transferase
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

mRNA processing, Transcription
Ligand (UniProt)i

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

ATP-binding, Magnesium, Manganese, Metal-binding, Nucleotide-binding
Gene summary (Entrez)i

Useful information about the gene from Entrez

The protein encoded by this gene is a member of the DNA polymerase type-B-like family. This enzyme synthesizes the 3' poly(A) tail of mitochondrial transcripts and plays a role in replication-dependent histone mRNA degradation.[provided by RefSeq, Jan 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)
MTPAP-201
ENSP00000263063
ENST00000263063
Q9NVV4
[Direct mapping] Poly(A) RNA polymerase, mitochondrial
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   Phobius predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Congenital disorders of metabolism
   Mitochondrial diseases
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000166 [nucleotide binding]
GO:0000287 [magnesium ion binding]
GO:0002134 [UTP binding]
GO:0003723 [RNA binding]
GO:0004652 [polynucleotide adenylyltransferase activity]
GO:0005515 [protein binding]
GO:0005524 [ATP binding]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005739 [mitochondrion]
GO:0006378 [mRNA polyadenylation]
GO:0006397 [mRNA processing]
GO:0016740 [transferase activity]
GO:0016779 [nucleotidyltransferase activity]
GO:0030145 [manganese ion binding]
GO:0031123 [RNA 3'-end processing]
GO:0042802 [identical protein binding]
GO:0042803 [protein homodimerization activity]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0046872 [metal ion binding]
GO:0071044 [histone mRNA catabolic process]
GO:1990817 [RNA adenylyltransferase activity]
Show all
582 aa
66.2 kDa
No 0
MTPAP-202
ENSP00000404392
ENST00000417581
Q5T852
[Direct mapping] Poly(A) RNA polymerase, mitochondrial
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Mitochondrial diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005654 [nucleoplasm]
GO:0005739 [mitochondrion]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
219 aa
25.3 kDa
No 0
MTPAP-203
ENSP00000394118
ENST00000421701
Q5T851
[Direct mapping] Poly(A) RNA polymerase, mitochondrial
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Mitochondrial diseases
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005654 [nucleoplasm]
GO:0005739 [mitochondrion]
GO:0043231 [intracellular membrane-bounded organelle]
Show all
150 aa
17.5 kDa
No 0

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