ExPASy logo ExPASy Home page Site Map Search ExPASy Contact us Swiss-Prot
Notice: This page will be replaced with www.uniprot.org. Please send us your feedback!
Search for

UniProtKB/Swiss-Prot entry P51811


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

Note: most headings are clickable, even if they don't appear as links. They link to the user manual or other documents.
Entry information
Entry name XK_HUMAN
Primary accession number P51811
Secondary accession numbers Q4TTN6 Q8IUK6 Q9UC77
Integrated into Swiss-Prot on October 1, 1996
Sequence was last modified on January 24, 2006 (Sequence version 5)
Annotations were last modified on    June 10, 2008 (Entry version 64)
Name and origin of the protein
Protein name Membrane transport protein XK
Synonyms Kx antigen
Kell complex 37 kDa component
XK-related protein 1
Gene name
Name: XK
Synonyms: XKR1, XRG1
From
Homo sapiens (Human) [TaxID: 9606] 
Taxonomy Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [MRNA].
DOI=10.1016/0092-8674(94)90136-8; PubMed=8004674 [NCBI, ExPASy, EBI, Israel, Japan]
Ho M., Chelly J., Carter N., Danek A., Crocker P., Monaco A.P.;
"Isolation of the gene for McLeod syndrome that encodes a novel membrane transport protein.";
Cell 77:869-880(1994).
[2]
SEQUENCE REVISION TO 204-205.
Ho M.;
Submitted (MAY-1999) to the EMBL/GenBank/DDBJ databases.
[3]
NUCLEOTIDE SEQUENCE [MRNA].
Huang C.-H., Chen Y.;
"A superfamily of XK-related genes (XRG) widely expressed in vertebrates and invertebrates.";
Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases.
[4]
NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Rieder M.J., Johanson E.J., da Ponte S.H., Hastings N.C., Ahearn M.O., Bertucci C.B., Wong M.W., Yi Q., Nickerson D.A.;
"SeattleSNPs. NHLBI HL66682 program for genomic applications, UW-FHCRC, Seattle, WA (URL: http://pga.gs.washington.edu).";
Submitted (MAY-2005) to the EMBL/GenBank/DDBJ databases.
[5]
NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
TISSUE=Testis;
DOI=10.1101/gr.2596504; PubMed=15489334 [NCBI, ExPASy, EBI, Israel, Japan]
The MGC Project Team;
"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).";
Genome Res. 14:2121-2127(2004).
[6]
PROTEIN SEQUENCE OF 1-22, AND LACK OF GLYCOSYLATION.
PubMed=7737196 [NCBI, ExPASy, EBI, Israel, Japan]
Khamlichi S., Bailly P., Blanchard D., Goossens D., Cartron J.-P., Bertrand O.;
"Purification and partial characterization of the erythrocyte Kx protein deficient in McLeod patients.";
Eur. J. Biochem. 228:931-934(1995).
[7]
SUBUNIT, DISULFIDE BOND, AND MUTAGENESIS OF CYS-347.
DOI=10.1074/jbc.273.22.13950; PubMed=9593744 [NCBI, ExPASy, EBI, Israel, Japan]
Russo D., Redman C., Lee S.;
"Association of XK and Kell blood group proteins.";
J. Biol. Chem. 273:13950-13956(1998).
[8]
PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-63, AND MASS SPECTROMETRY.
TISSUE=Epithelium;
DOI=10.1016/j.cell.2006.09.026; PubMed=17081983 [NCBI, ExPASy, EBI, Israel, Japan]
Olsen J.V., Blagoev B., Gnad F., Macek B., Kumar C., Mortensen P., Mann M.;
"Global, in vivo, and site-specific phosphorylation dynamics in signaling networks.";
Cell 127:635-648(2006).
[9]
VARIANT MLS ARG-294.
DOI=10.1002/ana.10035; PubMed=11761473 [NCBI, ExPASy, EBI, Israel, Japan]
Danek A., Rubio J.P., Rampoldi L., Ho M., Dobson-Stone C., Tison F., Symmans W.A., Oechsner M., Kalckreuth W., Watt J.M., Corbett A.J., Hamdalla H.H., Marshall A.G., Sutton I., Dotti M.T., Malandrini A., Walker R.H., Daniels G., Monaco A.P.;
"McLeod neuroacanthocytosis: genotype and phenotype.";
Ann. Neurol. 50:755-764(2001).
[10]
VARIANT MLS GLY-222.
DOI=10.1046/j.1537-2995.2002.00049.x; PubMed=11961232 [NCBI, ExPASy, EBI, Israel, Japan]
Russo D.C., Lee S., Reid M.E., Redman C.M.;
"Point mutations causing the McLeod phenotype.";
Transfusion 42:287-293(2002).
[11]
VARIANT MLS LYS-327.
DOI=10.1046/j.1537-2995.2003.t01-1-00434.x; PubMed=12823753 [NCBI, ExPASy, EBI, Israel, Japan]
Jung H.H., Hergersberg M., Vogt M., Pahnke J., Treyer V., Rothlisberger B., Kollias S.S., Russo D., Frey B.M.;
"McLeod phenotype associated with a XK missense mutation without hematologic, neuromuscular, or cerebral involvement.";
Transfusion 43:928-938(2003).
Comments
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
Z32684; CAA83632.2; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
AY534238; AAT07087.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
DQ062746; AAY43132.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC036019; AAH36019.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
PIR I39294; I39294.
RefSeq NP_066569.1; -.
UniGene Hs.78919
3D structure databases
ModBase P51811.
Polymorphism databases
SeattleSNPs XK.
Organism-specific databases
H-InvDB HIX0028449; -.
HGNC HGNC:12811; XK.
GeneLynx XK; Homo sapiens.
GenAtlas XK.
MIM 314850; gene+phenotype. [NCBI / EBI]
Orphanet 59306; Mc Leod neuroacanthocytosis syndrome.
PharmGKB PA33162; -.
GeneCards P51811.
Gene expression databases
ArrayExpress P51811; -.
CleanEx HS_XK; -.
GermOnline ENSG00000047597; Homo sapiens.
Ontologies
GO
GO:0016021; Cellular component: integral to membrane (traceable author statement from HGNC).
GO:0005515; Molecular function: protein binding (inferred from physical interaction from HGNC).
GO:0005215; Molecular function: transporter activity (traceable author statement from ProtInc).
GO:0006810; Biological process: transport (traceable author statement from ProtInc).
QuickGo view.
Family and domain databases
BLOCKS P51811.
Genome annotation databases
Ensembl ENSG00000047597; Homo sapiens. [Contig view]
GeneID 7504; -.
KEGG hsa:7504; -.
Phylogenomic databases
HOGENOM P51811; -.
HOVERGEN P51811; -.
Other
SOURCE XK; Homo sapiens.
ProtoNet P51811.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
Amino-acid transport; Blood group antigen; Direct protein sequencing; Disease mutation; Membrane; Phosphoprotein; Transmembrane; Transport.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
CHAIN   1   444  444     Membrane transport protein XK. PRO_0000190767
TOPO_DOM   1     2  2     Cytoplasmic (Potential). 
TRANSMEM   3    23  21     Potential. 
TOPO_DOM   24    37  14     Extracellular (Potential). 
TRANSMEM   38    58  21     Potential. 
TOPO_DOM   59    68  10     Cytoplasmic (Potential). 
TRANSMEM   69    89  21     Potential. 
TOPO_DOM   90   140  51     Extracellular (Potential). 
TRANSMEM   141   161  21     Potential. 
TOPO_DOM   162   171  10     Cytoplasmic (Potential). 
TRANSMEM   172   192  21     Potential. 
TOPO_DOM   193   208  16     Extracellular (Potential). 
TRANSMEM   209   229  21     Potential. 
TOPO_DOM   230   235  6     Cytoplasmic (Potential). 
TRANSMEM   236   256  21     Potential. 
TOPO_DOM   257   277  21     Extracellular (Potential). 
TRANSMEM   278   298  21     Potential. 
TOPO_DOM   299   317  19     Cytoplasmic (Potential). 
TRANSMEM   318   338  21     Potential. 
TOPO_DOM   339   349  11     Extracellular (Potential). 
TRANSMEM   350   370  21     Potential. 
TOPO_DOM   371   444  74     Cytoplasmic (Potential). 
MOD_RES   63    63        Phosphoserine. 
DISULFID   347   347        Interchain (with C-72 in Kell). 
VARIANT   222   222  1     R -> G (in MLS). VAR_013817 
VARIANT   294   294  1     C -> R (in MLS). VAR_013818 
VARIANT   327   327  1     E -> K (in MLS; atypical without hematologic, neuromuscular, or cerebral involvement; protein seems functional). VAR_023581 
MUTAGEN   347   347        C->S: Loss of Kell-XK complex. 
CONFLICT   248   248        F -> L (in Ref. 3 and 5). 
Sequence information
Length: 444 AA [This is the length of the unprocessed precursor] Molecular weight: 50902 Da [This is the MW of the unprocessed precursor] CRC64: 6F90B0B45659A1DA [This is a checksum on the sequence]
        10         20         30         40         50         60 
MKFPASVLAS VFLFVAETTA ALSLSSTYRS GGDRMWQALT LLFSLLPCAL VQLTLLFVHR 

        70         80         90        100        110        120 
DLSRDRPLVL LLHLLQLGPL FRCFEVFCIY FQSGNNEEPY VSITKKRQMP KNGLSEEIEK 

       130        140        150        160        170        180 
EVGQAEGKLI THRSAFSRAS VIQAFLGSAP QLTLQLYISV MQQDVTVGRS LLMTISLLSI 

       190        200        210        220        230        240 
VYGALRCNIL AIKIKYDEYE VKVKPLAYVC IFLWRSFEIA TRVVVLVLFT SVLKTWVVVI 

       250        260        270        280        290        300 
ILINFFSFFL YPWILFWCSG SPFPENIEKA LSRVGTTIVL CFLTLLYTGI NMFCWSAVQL 

       310        320        330        340        350        360 
KIDSPDLISK SHNWYQLLVY YMIRFIENAI LLLLWYLFKT DIYMYVCAPL LVLQLLIGYC 

       370        380        390        400        410        420 
TAILFMLVFY QFFHPCKKLF SSSVSEGFQR WLRCFCWACR QQKPCEPIGK EDLQSSRDRD 

       430        440 
ETPSSSKTSP EPGQFLNAED LCSA 

P51811 in FASTA format

View entry in original UniProtKB/Swiss-Prot format
View entry in raw text format (no links)
Report form for errors/updates in this UniProtKB/Swiss-Prot entry

BLAST logo BLAST submission on ExPASy/SIB
or at NCBI (USA)
Tools Sequence analysis tools: ProtParam, ProtScale, Compute pI/Mw, PeptideMass, PeptideCutter, Dotlet (Java)
PROSITE logo ScanProsite, MotifScan SWISS-MODEL Submit a homology modeling request to SWISS-MODEL
NPSA logo NPSA Sequence analysis tools

ExPASy logo ExPASy Home page Site Map Search ExPASy Contact us Swiss-Prot
 Hosted by ch flag SIB Switzerland Mirror sites: Australia  Brazil  Canada  China  Korea
Notice: This page will be replaced with www.uniprot.org. Please send us your feedback!