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QPRT
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  • QPRT
PROTEIN SUMMARY SECTION OVERVIEW 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.

QPRT
Synonyms QPRTase
Gene descriptioni

Full gene name according to HGNC.

Quinolinate phosphoribosyltransferase
Protein classi

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

Enzymes
FDA approved drug targets
Metabolic proteins
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 16
Cytoband p11.2
Chromosome location (bp) 29663279 - 29698699
Number of transcriptsi

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

3
Ensembl ENSG00000103485 (version 109)
Entrez gene 23475
HGNC HGNC:9755
UniProt Q15274 (UniProt - Evidence at protein level)
neXtProt NX_Q15274
GeneCards QPRT
Antibodypedia QPRT antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Involved in the catabolism of quinolinic acid (QA).... show less
Molecular function (UniProt)i

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

Glycosyltransferase, Transferase
Biological process (UniProt)i

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

Pyridine nucleotide biosynthesis
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a key enzyme in catabolism of quinolinate, an intermediate in the tryptophan-nicotinamide adenine dinucleotide pathway. Quinolinate acts as a most potent endogenous exitotoxin to neurons. Elevation of quinolinate levels in the brain has been linked to the pathogenesis of neurodegenerative disorders such as epilepsy, Alzheimer's disease, and Huntington's disease. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2015]... 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 ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

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 Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
QPRT-202
ENSP00000378782
ENST00000395384
Q15274
[Direct mapping] Nicotinate-nucleotide pyrophosphorylase [carboxylating]
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
Predicted intracellular proteins
Plasma proteins
FDA approved drug targets
   Small molecule drugs
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004514 [nicotinate-nucleotide diphosphorylase (carboxylating) activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0009435 [NAD biosynthetic process]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0016763 [pentosyltransferase activity]
GO:0019363 [pyridine nucleotide biosynthetic process]
GO:0019674 [NAD metabolic process]
GO:0034213 [quinolinate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
GO:1902494 [catalytic complex]
Show all
297 aa
30.8 kDa
Yes 0
QPRT-203
ENSP00000404873
ENST00000449759
Q15274
[Direct mapping] Nicotinate-nucleotide pyrophosphorylase [carboxylating]
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
Predicted intracellular proteins
Plasma proteins
FDA approved drug targets
   Small molecule drugs
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004514 [nicotinate-nucleotide diphosphorylase (carboxylating) activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0009435 [NAD biosynthetic process]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0016763 [pentosyltransferase activity]
GO:0019363 [pyridine nucleotide biosynthetic process]
GO:0019674 [NAD metabolic process]
GO:0034213 [quinolinate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
GO:1902494 [catalytic complex]
Show all
297 aa
30.8 kDa
Yes 0
QPRT-204
ENSP00000455183
ENST00000562473
H3BP73
[Direct mapping] Nicotinate-nucleotide pyrophosphorylase [carboxylating]
Show all
Metabolic proteins
   Secreted proteins predicted by MDSEC
   SignalP predicted secreted proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004514 [nicotinate-nucleotide diphosphorylase (carboxylating) activity]
GO:0009435 [NAD biosynthetic process]
GO:0016740 [transferase activity]
Show all
149 aa
15.7 kDa
Yes 0

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