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STEAP2
HPA
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  • STEAP2
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.

STEAP2
Synonyms IPCA-1, PCANAP1, STAMP1, STMP
Gene descriptioni

Full gene name according to HGNC.

STEAP2 metalloreductase
Protein classi

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

Transporters
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, 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 7
Cytoband q21.13
Chromosome location (bp) 90167590 - 90238137
Number of transcriptsi

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

9
Ensembl ENSG00000157214 (version 109)
Entrez gene 261729
HGNC HGNC:17885
UniProt Q8NFT2 (UniProt - Evidence at protein level)
neXtProt NX_Q8NFT2
GeneCards STEAP2
Antibodypedia STEAP2 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Integral membrane protein that functions as a NADPH-dependent ferric-chelate reductase, using NADPH from one side of the membrane to reduce a Fe(3+) chelate that is bound on the other side of the membrane (By similarity). Mediates sequential transmembrane electron transfer from NADPH to FAD and onto heme, and finally to the Fe(3+) chelate (By similarity). Can also reduce Cu(2+) to Cu(1+) (By similarity).... show less
Molecular function (UniProt)i

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

Oxidoreductase
Biological process (UniProt)i

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

Electron transport, Ion transport, Iron transport, Transport
Ligand (UniProt)i

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

Copper, FAD, Flavoprotein, Heme, Iron, Metal-binding, NAD, NADP
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene is a member of the STEAP family and encodes a multi-pass membrane protein that localizes to the Golgi complex, the plasma membrane, and the vesicular tubular structures in the cytosol. A highly similar protein in mouse has both ferrireductase and cupric reductase activity, and stimulates the cellular uptake of both iron and copper in vitro. Increased transcriptional expression of the human gene is associated with prostate cancer progression. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [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)
STEAP2-201
ENSP00000287908
ENST00000287908
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
Show all
490 aa
56.1 kDa
No 6
STEAP2-202
ENSP00000378119
ENST00000394621
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
GO:0098705 [copper ion import across plasma membrane]
GO:0098706 [iron ion import across cell outer membrane]
GO:0098711 [iron ion import across plasma membrane]
Show all
490 aa
56.1 kDa
No 6
STEAP2-203
ENSP00000378120
ENST00000394622
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
Show all
490 aa
56.1 kDa
No 6
STEAP2-204
ENSP00000378123
ENST00000394626
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Q6YPB2
[Target identity:100%; Query identity:100%] Six transmembrane epithelial antigen of the prostate 2, isoform CRA_a; Six transmembrane prostate protein v1
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
Show all
454 aa
52.1 kDa
No 6
STEAP2-205
ENSP00000378125
ENST00000394629
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Q6YPB2
[Target identity:100%; Query identity:100%] Six transmembrane epithelial antigen of the prostate 2, isoform CRA_a; Six transmembrane prostate protein v1
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
Show all
454 aa
52.1 kDa
No 6
STEAP2-206
ENSP00000378128
ENST00000394632
Q8NFT2
[Direct mapping] Metalloreductase STEAP2
Show all
Transporters
   Transport Electron Carriers
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
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:0000139 [Golgi membrane]
GO:0005768 [endosome]
GO:0005769 [early endosome]
GO:0005829 [cytosol]
GO:0005886 [plasma membrane]
GO:0006811 [ion transport]
GO:0006893 [Golgi to plasma membrane transport]
GO:0006897 [endocytosis]
GO:0008823 [cupric reductase activity]
GO:0009725 [response to hormone]
GO:0010008 [endosome membrane]
GO:0015677 [copper ion import]
GO:0016020 [membrane]
GO:0016491 [oxidoreductase activity]
GO:0030140 [trans-Golgi network transport vesicle]
GO:0045055 [regulated exocytosis]
GO:0046872 [metal ion binding]
GO:0052851 [ferric-chelate reductase (NADPH) activity]
GO:0055072 [iron ion homeostasis]
Show all
419 aa
47.9 kDa
No 4
STEAP2-207
ENSP00000384191
ENST00000402625
B5MC02
[Direct mapping] Metalloreductase STEAP2
Show all
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
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0005768 [endosome]
GO:0010008 [endosome membrane]
GO:0016020 [membrane]
GO:0055072 [iron ion homeostasis]
Show all
403 aa
46 kDa
No 4
STEAP2-208
ENSP00000415931
ENST00000426158
C9JHX5
[Direct mapping] Metalloreductase STEAP2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
88 aa
9.6 kDa
No 0
STEAP2-209
ENSP00000401783
ENST00000428074
C9JLP2
[Direct mapping] Metalloreductase STEAP2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
181 aa
20.2 kDa
No 0

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