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GNPDA1
HPA
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  • GNPDA1
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.

GNPDA1
Synonyms GNPDA, GNPI, GPI, HLN, KIAA0060
Gene descriptioni

Full gene name according to HGNC.

Glucosamine-6-phosphate deaminase 1
Protein classi

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

Enzymes
Metabolic 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 5
Cytoband q31.3
Chromosome location (bp) 141991749 - 142013041
Number of transcriptsi

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

10
Ensembl ENSG00000113552 (version 109)
Entrez gene 10007
HGNC HGNC:4417
UniProt P46926 (UniProt - Evidence at protein level)
neXtProt NX_P46926
GeneCards GNPDA1
Antibodypedia GNPDA1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Catalyzes the reversible conversion of alpha-D-glucosamine 6-phosphate (GlcN-6P) into beta-D-fructose 6-phosphate (Fru-6P) and ammonium ion, a regulatory reaction step in de novo uridine diphosphate-N-acetyl-alpha-D-glucosamine (UDP-GlcNAc) biosynthesis via hexosamine pathway. Deamination is coupled to aldo-keto isomerization mediating the metabolic flux from UDP-GlcNAc toward Fru-6P. At high ammonium level can drive amination and isomerization of Fru-6P toward hexosamines and UDP-GlcNAc synthesis 1, 2. Has a role in fine tuning the metabolic fluctuations of cytosolic UDP-GlcNAc and their effects on hyaluronan synthesis that occur during tissue remodeling 3. Seems to trigger calcium oscillations in mammalian eggs. These oscillations serve as the essential trigger for egg activation and early development of the embryo (By similarity).... show less
Molecular function (UniProt)i

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

Hydrolase, Isomerase
Biological process (UniProt)i

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

Carbohydrate metabolism
Gene summary (Entrez)i

Useful information about the gene from Entrez

Glucosamine-6-phosphate deaminase (EC 3.5.99.6) is an allosteric enzyme that catalyzes the reversible conversion of D-glucosamine-6-phosphate into D-fructose-6-phosphate and ammonium (Arreola et al., 2003).[supplied by OMIM, Jan 2010]... 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)
GNPDA1-201
ENSP00000311876
ENST00000311337
P46926
[Direct mapping] Glucosamine-6-phosphate isomerase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005975 [carbohydrate metabolic process]
GO:0006043 [glucosamine catabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006046 [N-acetylglucosamine catabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0006091 [generation of precursor metabolites and energy]
GO:0007338 [single fertilization]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
GO:0019262 [N-acetylneuraminate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
Show all
289 aa
32.7 kDa
No 0
GNPDA1-202
ENSP00000424275
ENST00000500692
P46926
[Direct mapping] Glucosamine-6-phosphate isomerase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005975 [carbohydrate metabolic process]
GO:0006043 [glucosamine catabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006046 [N-acetylglucosamine catabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0006091 [generation of precursor metabolites and energy]
GO:0007338 [single fertilization]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
GO:0019262 [N-acetylneuraminate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
Show all
289 aa
32.7 kDa
No 0
GNPDA1-203
ENSP00000422173
ENST00000503229
D6R917
[Direct mapping] Glucosamine-6-phosphate deaminase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005975 [carbohydrate metabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0016853 [isomerase activity]
Show all
138 aa
15.9 kDa
No 0
GNPDA1-204
ENSP00000423485
ENST00000503794
P46926
[Direct mapping] Glucosamine-6-phosphate isomerase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005975 [carbohydrate metabolic process]
GO:0006043 [glucosamine catabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006046 [N-acetylglucosamine catabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0006091 [generation of precursor metabolites and energy]
GO:0007338 [single fertilization]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
GO:0019262 [N-acetylneuraminate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
Show all
289 aa
32.7 kDa
No 0
GNPDA1-205
ENSP00000424625
ENST00000504139
D6RAY7
[Direct mapping] Glucosamine-6-phosphate isomerase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005737 [cytoplasm]
GO:0005975 [carbohydrate metabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
Show all
237 aa
27 kDa
No 0
GNPDA1-206
ENSP00000426583
ENST00000504424
D6RFK5
[Direct mapping] Glucosamine-6-phosphate isomerase 1
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
29 aa
3.5 kDa
No 0
GNPDA1-207
ENSP00000421524
ENST00000505689
D6RFF8
[Direct mapping] Glucosamine-6-phosphate isomerase
Show all
Metabolic proteins
   SCAMPI predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005737 [cytoplasm]
GO:0005975 [carbohydrate metabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
Show all
290 aa
32.4 kDa
No 0
GNPDA1-210
ENSP00000423674
ENST00000508177
P46926
[Direct mapping] Glucosamine-6-phosphate isomerase 1
Show all
Enzymes
   ENZYME proteins
   Hydrolases
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005515 [protein binding]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005975 [carbohydrate metabolic process]
GO:0006043 [glucosamine catabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006046 [N-acetylglucosamine catabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0006091 [generation of precursor metabolites and energy]
GO:0007338 [single fertilization]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
GO:0019262 [N-acetylneuraminate catabolic process]
GO:0042802 [identical protein binding]
GO:0070062 [extracellular exosome]
Show all
289 aa
32.7 kDa
No 0
GNPDA1-211
ENSP00000424537
ENST00000510194
D6RB13
[Direct mapping] Glucosamine-6-phosphate isomerase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005737 [cytoplasm]
GO:0005975 [carbohydrate metabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
Show all
160 aa
18.2 kDa
No 0
GNPDA1-212
ENSP00000423494
ENST00000513454
D6R9P4
[Direct mapping] Glucosamine-6-phosphate isomerase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0004342 [glucosamine-6-phosphate deaminase activity]
GO:0005737 [cytoplasm]
GO:0005975 [carbohydrate metabolic process]
GO:0006044 [N-acetylglucosamine metabolic process]
GO:0006048 [UDP-N-acetylglucosamine biosynthetic process]
GO:0016787 [hydrolase activity]
GO:0016853 [isomerase activity]
Show all
274 aa
30.9 kDa
No 0

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