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GPAA1
HPA
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  • GPAA1
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.

GPAA1
Synonyms GAA1, hGAA1
Gene descriptioni

Full gene name according to HGNC.

Glycosylphosphatidylinositol anchor attachment 1
Protein classi

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

Disease related genes
Human disease related genes
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.

Membrane
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 8
Cytoband q24.3
Chromosome location (bp) 144082337 - 144093149
Number of transcriptsi

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

16
Ensembl ENSG00000197858 (version 109)
Entrez gene 8733
HGNC HGNC:4446
UniProt O43292 (UniProt - Evidence at protein level)
neXtProt NX_O43292
GeneCards GPAA1
Antibodypedia GPAA1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Component of the GPI transamidase complex, necessary for transfer of GPI to proteins 1. Essential for GPI-anchoring of precursor proteins but not for GPI synthesis. Acts before or during formation of the carbonyl intermediate.... show less
Biological process (UniProt)i

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

GPI-anchor biosynthesis
Gene summary (Entrez)i

Useful information about the gene from Entrez

Posttranslational glycosylphosphatidylinositol (GPI) anchor attachment serves as a general mechanism for linking proteins to the cell surface membrane. The protein encoded by this gene presumably functions in GPI anchoring at the GPI transfer step. The mRNA transcript is ubiquitously expressed in both fetal and adult tissues. The anchor attachment protein 1 contains an N-terminal signal sequence, 1 cAMP- and cGMP-dependent protein kinase phosphorylation site, 1 leucine zipper pattern, 2 potential N-glycosylation sites, and 8 putative transmembrane domains. [provided by RefSeq, Jul 2008]... 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)
GPAA1-201
ENSP00000347206
ENST00000355091
O43292
[Direct mapping] Glycosylphosphatidylinositol anchor attachment 1 protein
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Disease related genes
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0003923 [GPI-anchor transamidase activity]
GO:0005515 [protein binding]
GO:0005739 [mitochondrion]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0006506 [GPI anchor biosynthetic process]
GO:0006621 [protein retention in ER lumen]
GO:0015631 [tubulin binding]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016255 [attachment of GPI anchor to protein]
GO:0034235 [GPI anchor binding]
GO:0042765 [GPI-anchor transamidase complex]
GO:0065003 [protein-containing complex assembly]
Show all
621 aa
67.6 kDa
No 8
GPAA1-202
ENSP00000354316
ENST00000361036
O43292
[Direct mapping] Glycosylphosphatidylinositol anchor attachment 1 protein
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   6TM proteins predicted by MDM
Disease related genes
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0003923 [GPI-anchor transamidase activity]
GO:0005515 [protein binding]
GO:0005739 [mitochondrion]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0006506 [GPI anchor biosynthetic process]
GO:0006621 [protein retention in ER lumen]
GO:0015631 [tubulin binding]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0016255 [attachment of GPI anchor to protein]
GO:0034235 [GPI anchor binding]
GO:0042765 [GPI-anchor transamidase complex]
GO:0065003 [protein-containing complex assembly]
Show all
561 aa
61.1 kDa
No 6
GPAA1-203
ENSP00000434544
ENST00000524418
E9PPZ9
[Direct mapping] Glycosylphosphatidylinositol anchor attachment 1 protein
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0005739 [mitochondrion]
GO:0005783 [endoplasmic reticulum]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
607 aa
66 kDa
No 7
GPAA1-204
ENSP00000434485
ENST00000525087
E9PQ31
[Direct mapping] Glycosylphosphatidylinositol anchor attachment 1 protein
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   3TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0005739 [mitochondrion]
GO:0005783 [endoplasmic reticulum]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
348 aa
38.1 kDa
No 3
GPAA1-219
ENSP00000515404
ENST00000703620
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
619 aa
67.4 kDa
No 8
GPAA1-220
ENSP00000515405
ENST00000703621
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
606 aa
66.2 kDa
No 8
GPAA1-221
ENSP00000515406
ENST00000703622
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   3TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
580 aa
62 kDa
No 3
GPAA1-225
ENSP00000515410
ENST00000703633
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
607 aa
66 kDa
No 8
GPAA1-227
ENSP00000515412
ENST00000703635
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   4TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
431 aa
46.1 kDa
No 4
GPAA1-229
ENSP00000515415
ENST00000703648
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
626 aa
68.2 kDa
No 8
GPAA1-230
ENSP00000515416
ENST00000703649
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   6TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
624 aa
67.5 kDa
No 6
GPAA1-255
ENSP00000516036
ENST00000704789
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
487 aa
53.5 kDa
No 7
GPAA1-259
ENSP00000516039
ENST00000704794
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   6TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
499 aa
53.8 kDa
No 6
GPAA1-265
ENSP00000516043
ENST00000704806
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
546 aa
59.7 kDa
No 7
GPAA1-266
ENSP00000516044
ENST00000704807
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   8TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
604 aa
66 kDa
No 8
GPAA1-268
ENSP00000516046
ENST00000704809
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   7TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016021 [integral component of membrane]
GO:0042765 [GPI-anchor transamidase complex]
Show all
592 aa
64.6 kDa
No 7

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