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Field

Term
Gene name

Class

Subclass

Chromosome

External id

In atlas

Reliability

Reliability

Reliability

Validation

Method

Validation

Method

Validation

Method

Validation

Location

Searches

Tissue

Cell type

Expression

Tissue

Specificity

Cell line

Specificity

Cancer

Specificity

Tissue

Detectable

Cell line

Detectable

Cancer

Detectable

Cancer

Prognosis

Category

Score

Score

Score

Antibodies

Column

 
 
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PSMA2
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PATHOLOGY ATLAS

GENE/PROTEIN

Antibody validation

Dictionary

Level of antibody staining/expression





High
Medium
Low
Not detected

GENERAL INFORMATION

Gene name

PSMA2

Gene description

Proteasome subunit alpha 2

Protein class

Enzymes
Plasma proteins
Predicted intracellular proteins

Predicted localization

Intracellular

Number of transcripts

2
SHOW MORE

HUMAN PROTEIN ATLAS INFORMATION

RNA category

TCGA (cancer tissue):Expressed in all
HPA (cell line):Expressed in all
HPA (normal tissue):Expressed in all

Protein evidence

Evidence at protein level

Protein expression
normal tissue

Cytoplasmic and nuclear expression in most tissues.

ANTIBODY IHC RELIABILITY

Data reliability
description

Antibody staining mainly not consistent with RNA expression data. Pending external verification.

Reliability score

Uncertain based on 1 antibody.
HPA008188
SHOW MORE

PROGNOSTIC SUMMARY

Prognostic marker in ovarian cancer (favourable) and liver cancer (unfavourable).
Ovarian cancer p<0.001
Liver cancer p<0.001
Show all

RNA EXPRESSION OVERVIEW

TCGA dataset
RNA cancer category: Expressed in all

PROTEIN EXPRESSION

Colorectal cancer
Breast cancer
Prostate cancer
Lung cancer
Liver cancer

STAINING SUMMARY

HPA008188

Cancer

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Cancer

Cancer staining

Protein
expression of
normal tissue

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Staining summary

Weak to moderate cytoplasmic and nuclear staining was observed in most cancers.

GENE INFORMATION

Gene name

PSMA2 (HGNC Symbol)

Synonyms

HC3, MU, PMSA2

Description

Proteasome subunit alpha 2 (HGNC Symbol)

Entrez gene summary

The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a member of the peptidase T1A family, that is a 20S core alpha subunit. [provided by RefSeq, Jul 2008]

Chromosome

7

Cytoband

p14.1

Chromosome location (bp)

42916857 - 42932223

Protein evidence

Evidence at protein level (all genes)

Ensembl

ENSG00000106588 (version 83.38)

Entrez gene

5683

UniProt

P25787 (UniProt - Evidence at protein level)

neXtProt

NX_P25787

Antibodypedia

PSMA2 antibodies

PROTEIN BROWSER

PSMA2-001
PSMA2-006

PROTEIN INFORMATION

Splice variant

UniProt

Protein class

Gene ontology

Length & mass

Signal peptide
(predicted)

Transmembrane regions
(predicted)

PSMA2-001
ENSP00000223321
ENST00000223321
P25787 [Direct mapping]
Proteasome subunit alpha type-2
Show all
Enzymes
   ENZYME proteins
   Hydrolases
   Peptidases
   Threonine-type peptidases
Predicted intracellular proteins
Plasma proteins
Protein evidence (Kim et al 2014)
Show all
GO:0000082 [G1/S transition of mitotic cell cycle]
GO:0000165 [MAPK cascade]
GO:0000186 [activation of MAPKK activity]
GO:0000209 [protein polyubiquitination]
GO:0000278 [mitotic cell cycle]
GO:0000502 [proteasome complex]
GO:0000932 [cytoplasmic mRNA processing body]
GO:0002223 [stimulatory C-type lectin receptor signaling pathway]
GO:0002474 [antigen processing and presentation of peptide antigen via MHC class I]
GO:0002479 [antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent]
GO:0004175 [endopeptidase activity]
GO:0004298 [threonine-type endopeptidase activity]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0005839 [proteasome core complex]
GO:0006511 [ubiquitin-dependent protein catabolic process]
GO:0006521 [regulation of cellular amino acid metabolic process]
GO:0006595 [polyamine metabolic process]
GO:0006915 [apoptotic process]
GO:0006977 [DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest]
GO:0007173 [epidermal growth factor receptor signaling pathway]
GO:0007264 [small GTPase mediated signal transduction]
GO:0007265 [Ras protein signal transduction]
GO:0007411 [axon guidance]
GO:0008286 [insulin receptor signaling pathway]
GO:0008543 [fibroblast growth factor receptor signaling pathway]
GO:0009615 [response to virus]
GO:0010467 [gene expression]
GO:0010499 [proteasomal ubiquitin-independent protein catabolic process]
GO:0012501 [programmed cell death]
GO:0016032 [viral process]
GO:0019773 [proteasome core complex, alpha-subunit complex]
GO:0031145 [anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process]
GO:0033209 [tumor necrosis factor-mediated signaling pathway]
GO:0034641 [cellular nitrogen compound metabolic process]
GO:0038061 [NIK/NF-kappaB signaling]
GO:0038095 [Fc-epsilon receptor signaling pathway]
GO:0042590 [antigen processing and presentation of exogenous peptide antigen via MHC class I]
GO:0042981 [regulation of apoptotic process]
GO:0043066 [negative regulation of apoptotic process]
GO:0043161 [proteasome-mediated ubiquitin-dependent protein catabolic process]
GO:0043488 [regulation of mRNA stability]
GO:0044281 [small molecule metabolic process]
GO:0045087 [innate immune response]
GO:0048010 [vascular endothelial growth factor receptor signaling pathway]
GO:0048011 [neurotrophin TRK receptor signaling pathway]
GO:0050852 [T cell receptor signaling pathway]
GO:0051436 [negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle]
GO:0051437 [positive regulation of ubiquitin-protein ligase activity involved in regulation of mitotic cell cycle transition]
GO:0051439 [regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle]
GO:0051603 [proteolysis involved in cellular protein catabolic process]
GO:0070062 [extracellular exosome]
GO:0090090 [negative regulation of canonical Wnt signaling pathway]
GO:0090263 [positive regulation of canonical Wnt signaling pathway]
Show all
234 aa
25.9 kDa
No 0
PSMA2-006
ENSP00000404858
ENST00000445517
C9JCK5 [Direct mapping]
Proteasome subunit alpha type-2
Show all
Predicted intracellular proteins
Show all
GO:0004175 [endopeptidase activity]
GO:0004298 [threonine-type endopeptidase activity]
GO:0005737 [cytoplasm]
GO:0005839 [proteasome core complex]
GO:0010499 [proteasomal ubiquitin-independent protein catabolic process]
GO:0043161 [proteasome-mediated ubiquitin-dependent protein catabolic process]
GO:0051603 [proteolysis involved in cellular protein catabolic process]
Show all
164 aa
18.6 kDa
No 0

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