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Q9UPY5

- XCT_HUMAN

UniProt

Q9UPY5 - XCT_HUMAN

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Protein
Cystine/glutamate transporter
Gene
SLC7A11
Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

Sodium-independent, high-affinity exchange of anionic amino acids with high specificity for anionic form of cystine and glutamate.1 Publication

GO - Molecular functioni

  1. cystine:glutamate antiporter activity Source: ProtInc
  2. protein binding Source: IntAct

GO - Biological processi

  1. L-glutamate transport Source: GOC
  2. amino acid transport Source: Reactome
  3. blood coagulation Source: Reactome
  4. brain development Source: Ensembl
  5. ion transport Source: Reactome
  6. lens fiber cell differentiation Source: Ensembl
  7. leukocyte migration Source: Reactome
  8. platelet aggregation Source: Ensembl
  9. response to nicotine Source: Ensembl
  10. response to oxidative stress Source: Ensembl
  11. response to toxic substance Source: UniProtKB
  12. transmembrane transport Source: Reactome
Complete GO annotation...

Keywords - Biological processi

Amino-acid transport, Transport

Enzyme and pathway databases

BioCyciMetaCyc:ENSG00000151012-MONOMER.
ReactomeiREACT_12560. Basigin interactions.
REACT_13796. Amino acid transport across the plasma membrane.

Protein family/group databases

TCDBi2.A.3.8.18. the amino acid-polyamine-organocation (apc) family.

Names & Taxonomyi

Protein namesi
Recommended name:
Cystine/glutamate transporter
Alternative name(s):
Amino acid transport system xc-
Calcium channel blocker resistance protein CCBR1
Solute carrier family 7 member 11
xCT
Gene namesi
Name:SLC7A11
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 4

Organism-specific databases

HGNCiHGNC:11059. SLC7A11.

Subcellular locationi

Membrane; Multi-pass membrane protein 1 Publication

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 4343Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei44 – 6421Helical; Reviewed prediction
Add
BLAST
Topological domaini65 – 7410Extracellular Reviewed prediction
Transmembranei75 – 9521Helical; Reviewed prediction
Add
BLAST
Topological domaini96 – 11318Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei114 – 13421Helical; Reviewed prediction
Add
BLAST
Topological domaini135 – 15824Extracellular Reviewed prediction
Add
BLAST
Transmembranei159 – 17921Helical; Reviewed prediction
Add
BLAST
Topological domaini180 – 18910Cytoplasmic Reviewed prediction
Transmembranei190 – 21021Helical; Reviewed prediction
Add
BLAST
Topological domaini211 – 23424Extracellular Reviewed prediction
Add
BLAST
Transmembranei235 – 25521Helical; Reviewed prediction
Add
BLAST
Topological domaini256 – 26510Cytoplasmic Reviewed prediction
Transmembranei266 – 28621Helical; Reviewed prediction
Add
BLAST
Topological domaini287 – 31731Extracellular Reviewed prediction
Add
BLAST
Transmembranei318 – 33821Helical; Reviewed prediction
Add
BLAST
Topological domaini339 – 36426Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei365 – 38521Helical; Reviewed prediction
Add
BLAST
Topological domaini386 – 3872Extracellular Reviewed prediction
Transmembranei388 – 40821Helical; Reviewed prediction
Add
BLAST
Topological domaini409 – 42214Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei423 – 44321Helical; Reviewed prediction
Add
BLAST
Topological domaini444 – 4496Extracellular Reviewed prediction
Transmembranei450 – 47021Helical; Reviewed prediction
Add
BLAST
Topological domaini471 – 50131Cytoplasmic Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. cytoskeleton Source: Ensembl
  2. integral component of membrane Source: ProtInc
  3. plasma membrane Source: Reactome
  4. rough endoplasmic reticulum Source: Ensembl
Complete GO annotation...

Keywords - Cellular componenti

Membrane

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA35919.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 501501Cystine/glutamate transporter
PRO_0000054279Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei26 – 261Phosphoserine2 Publications
Glycosylationi314 – 3141N-linked (GlcNAc...) Reviewed prediction

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein

Proteomic databases

MaxQBiQ9UPY5.
PaxDbiQ9UPY5.
PRIDEiQ9UPY5.

PTM databases

PhosphoSiteiQ9UPY5.

Expressioni

Gene expression databases

ArrayExpressiQ9UPY5.
BgeeiQ9UPY5.
CleanExiHS_SLC7A11.
GenevestigatoriQ9UPY5.

Interactioni

Subunit structurei

Disulfide-linked heterodimer with the amino acid transport protein SLC3A2/4F2hc By similarity.

Binary interactionsi

WithEntry#Exp.IntActNotes
CD44P160704EBI-3843348,EBI-490245

Protein-protein interaction databases

BioGridi117179. 2 interactions.
IntActiQ9UPY5. 1 interaction.
STRINGi9606.ENSP00000280612.

Structurei

3D structure databases

ProteinModelPortaliQ9UPY5.
SMRiQ9UPY5. Positions 52-359.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG0531.
HOGENOMiHOG000098892.
HOVERGENiHBG000476.
InParanoidiQ9UPY5.
KOiK13869.
OMAiMYAYAGX.
OrthoDBiEOG73BVCR.
PhylomeDBiQ9UPY5.
TreeFamiTF313355.

Family and domain databases

InterProiIPR002293. AA/rel_permease1.
IPR004760. L_AA_transporter.
[Graphical view]
PANTHERiPTHR11785. PTHR11785. 1 hit.
PfamiPF13520. AA_permease_2. 1 hit.
[Graphical view]
PIRSFiPIRSF006060. AA_transporter. 1 hit.
TIGRFAMsiTIGR00911. 2A0308. 1 hit.

Sequencei

Sequence statusi: Complete.

Q9UPY5-1 [UniParc]FASTAAdd to Basket

« Hide

MVRKPVVSTI SKGGYLQGNV NGRLPSLGNK EPPGQEKVQL KRKVTLLRGV    50
SIIIGTIIGA GIFISPKGVL QNTGSVGMSL TIWTVCGVLS LFGALSYAEL 100
GTTIKKSGGH YTYILEVFGP LPAFVRVWVE LLIIRPAATA VISLAFGRYI 150
LEPFFIQCEI PELAIKLITA VGITVVMVLN SMSVSWSARI QIFLTFCKLT 200
AILIIIVPGV MQLIKGQTQN FKDAFSGRDS SITRLPLAFY YGMYAYAGWF 250
YLNFVTEEVE NPEKTIPLAI CISMAIVTIG YVLTNVAYFT TINAEELLLS 300
NAVAVTFSER LLGNFSLAVP IFVALSCFGS MNGGVFAVSR LFYVASREGH 350
LPEILSMIHV RKHTPLPAVI VLHPLTMIML FSGDLDSLLN FLSFARWLFI 400
GLAVAGLIYL RYKCPDMHRP FKVPLFIPAL FSFTCLFMVA LSLYSDPFST 450
GIGFVITLTG VPAYYLFIIW DKKPRWFRIM SEKITRTLQI ILEVVPEEDK 500
L 501
Length:501
Mass (Da):55,423
Last modified:May 1, 2000 - v1
Checksum:i3EF2648B94A9F59E
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB026891 mRNA. Translation: BAA82628.1.
AF200708 mRNA. Translation: AAG35592.1.
AF252872 mRNA. Translation: AAK49111.1.
AJ277882 mRNA. Translation: CAC81905.1.
AK290359 mRNA. Translation: BAF83048.1.
AK314855 mRNA. Translation: BAG37372.1.
CH471056 Genomic DNA. Translation: EAX05135.1.
BC012087 mRNA. Translation: AAH12087.1.
CCDSiCCDS3742.1.
RefSeqiNP_055146.1. NM_014331.3.
UniGeneiHs.390594.

Genome annotation databases

EnsembliENST00000280612; ENSP00000280612; ENSG00000151012.
GeneIDi23657.
KEGGihsa:23657.
UCSCiuc021xrw.1. human.

Polymorphism databases

DMDMi12585385.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB026891 mRNA. Translation: BAA82628.1 .
AF200708 mRNA. Translation: AAG35592.1 .
AF252872 mRNA. Translation: AAK49111.1 .
AJ277882 mRNA. Translation: CAC81905.1 .
AK290359 mRNA. Translation: BAF83048.1 .
AK314855 mRNA. Translation: BAG37372.1 .
CH471056 Genomic DNA. Translation: EAX05135.1 .
BC012087 mRNA. Translation: AAH12087.1 .
CCDSi CCDS3742.1.
RefSeqi NP_055146.1. NM_014331.3.
UniGenei Hs.390594.

3D structure databases

ProteinModelPortali Q9UPY5.
SMRi Q9UPY5. Positions 52-359.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 117179. 2 interactions.
IntActi Q9UPY5. 1 interaction.
STRINGi 9606.ENSP00000280612.

Chemistry

BindingDBi Q9UPY5.
ChEMBLi CHEMBL1075149.
DrugBanki DB00138. L-Cystine.
DB00142. L-Glutamic Acid.
DB00795. Sulfasalazine.

Protein family/group databases

TCDBi 2.A.3.8.18. the amino acid-polyamine-organocation (apc) family.

PTM databases

PhosphoSitei Q9UPY5.

Polymorphism databases

DMDMi 12585385.

Proteomic databases

MaxQBi Q9UPY5.
PaxDbi Q9UPY5.
PRIDEi Q9UPY5.

Protocols and materials databases

DNASUi 23657.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000280612 ; ENSP00000280612 ; ENSG00000151012 .
GeneIDi 23657.
KEGGi hsa:23657.
UCSCi uc021xrw.1. human.

Organism-specific databases

CTDi 23657.
GeneCardsi GC04M139085.
HGNCi HGNC:11059. SLC7A11.
MIMi 607933. gene.
neXtProti NX_Q9UPY5.
PharmGKBi PA35919.
GenAtlasi Search...

Phylogenomic databases

eggNOGi COG0531.
HOGENOMi HOG000098892.
HOVERGENi HBG000476.
InParanoidi Q9UPY5.
KOi K13869.
OMAi MYAYAGX.
OrthoDBi EOG73BVCR.
PhylomeDBi Q9UPY5.
TreeFami TF313355.

Enzyme and pathway databases

BioCyci MetaCyc:ENSG00000151012-MONOMER.
Reactomei REACT_12560. Basigin interactions.
REACT_13796. Amino acid transport across the plasma membrane.

Miscellaneous databases

GeneWikii SLC7A11.
GenomeRNAii 23657.
NextBioi 46497.
PROi Q9UPY5.
SOURCEi Search...

Gene expression databases

ArrayExpressi Q9UPY5.
Bgeei Q9UPY5.
CleanExi HS_SLC7A11.
Genevestigatori Q9UPY5.

Family and domain databases

InterProi IPR002293. AA/rel_permease1.
IPR004760. L_AA_transporter.
[Graphical view ]
PANTHERi PTHR11785. PTHR11785. 1 hit.
Pfami PF13520. AA_permease_2. 1 hit.
[Graphical view ]
PIRSFi PIRSF006060. AA_transporter. 1 hit.
TIGRFAMsi TIGR00911. 2A0308. 1 hit.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Molecular cloning and expression of human xCT, the light chain of amino acid transport system xc-."
    Sato H., Tamba M., Kuriyama-Matsumura K., Okuno S., Bannai S.
    Antioxid. Redox Signal. 2:665-671(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  2. "CCBR1, novel CD98 light chain implicated in redox control and calcium signaling."
    Conklin D.S., Beach D.H.
    Submitted (NOV-1999) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  3. "Structure, function, and regulation of human cystine/glutamate transporter in retinal pigment epithelial cells."
    Bridges C.C., Kekuda R., Wang H., Prasad P.D., Mehta P., Huang W., Smith S.B., Ganapathy V.
    Invest. Ophthalmol. Vis. Sci. 42:47-54(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Placenta.
  4. Borsani G., Manzoni M., Palacin M., Pineda M., Gasol E.
    Submitted (JAN-2002) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  5. "Complete sequencing and characterization of 21,243 full-length human cDNAs."
    Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.
    , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
    Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Tongue.
  6. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  7. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Kidney.
  8. "Membrane topology of system xc- light subunit reveals a re-entrant loop with substrate-restricted accessibility."
    Gasol E., Jimenez-Vidal M., Chillaron J., Zorzano A., Palacin M.
    J. Biol. Chem. 279:31228-31236(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, MEMBRANE TOPOLOGY, SUBCELLULAR LOCATION.
  9. "Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle."
    Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R., Greff Z., Keri G., Stemmann O., Mann M.
    Mol. Cell 31:438-448(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-26, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
    Tissue: Cervix carcinoma.
  10. Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-26, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].

Entry informationi

Entry nameiXCT_HUMAN
AccessioniPrimary (citable) accession number: Q9UPY5
Secondary accession number(s): A8K2U4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 24, 2001
Last sequence update: May 1, 2000
Last modified: September 3, 2014
This is version 129 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human chromosome 4
    Human chromosome 4: entries, gene names and cross-references to MIM
  2. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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