ALK

ALK tyrosine kinase receptor. UniProt annotates extracellular residues 19–1038.

Sequence and protein regions

Explore the ALK sequence, select annotated regions, and copy a request to continue in Codex.

RNA expression in tumor samples

Median ALK RNA expression by tumor type, measured in RSEM units. The study selected these samples using microsatellite-stability score thresholds.

Mucinous tumors37 samples0.4

Other tumor types438 samples0.4

Compare the sample groups · cBioPortal measurements (JSON)

Sequence & binding sites

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Sequence annotations and source records

Canonical sequence and topology

Target ID: T-ENSG00000171094
UniProt accession: Q9UM73
Sequence state: available
Canonical sequence: Yes
Length in amino acids: 1620
Sequence SHA-256: 74716bef5c87821e4b00db1043b6b1f1b4e661f13f1fc7dc3e9b3ceb33ba71d9

View and select the full canonical sequence

Canonical amino-acid sequence

MGAIGLLWLLPLLLSTAAVGSGMGTGQRAGSPAAGPPLQPREPLSYSRLQRKSLAVDFVVPSLFRVYARDLLLPPSSSELKAGRPEARGSLALDCAPLLRLLGPAPGVSWTAGSPAPAEARTLSRVLKGGSVRKLRRAKQLVLELGEEAILEGCVGPPGEAAVGLLQFNLSELFSWWIRQGEGRLRIRLMPEKKASEVGREGRLSAAIRASQPRLLFQIFGTGHSSLESPTNMPSPSPDYFTWNLTWIMKDSFPFLSHRSRYGLECSFDFPCELEYSPPLHDLRNQSWSWRRIPSEEASQMDLLDGPGAERSKEMPRGSFLLLNTSADSKHTILSPWMRSSSEHCTLAVSVHRHLQPSGRYIAQLLPHNEAAREILLMPTPGKHGWTVLQGRIGRPDNPFRVALEYISSGNRSLSAVDFFALKNCSEGTSPGSKMALQSSFTCWNGTVLQLGQACDFHQDCAQGEDESQMCRKLPVGFYCNFEDGFCGWTQGTLSPHTPQWQVRTLKDARFQDHQDHALLLSTTDVPASESATVTSATFPAPIKSSPCELRMSWLIRGVLRGNVSLVLVENKTGKEQGRMVWHVAAYEGLSLWQWMVLPLLDVSDRFWLQMVAWWGQGSRAIVAFDNISISLDCYLTISGEDKILQNTAPKSRNLFERNPNKELKPGENSPRQTPIFDPTVHWLFTTCGASGPHGPTQAQCNNAYQNSNLSVEVGSEGPLKGIQIWKVPATDTYSISGYGAAGGKGGKNTMMRSHGVSVLGIFNLEKDDMLYILVGQQGEDACPSTNQLIQKVCIGENNVIEEEIRVNRSVHEWAGGGGGGGGATYVFKMKDGVPVPLIIAAGGGGRAYGAKTDTFHPERLENNSSVLGLNGNSGAAGGGGGWNDNTSLLWAGKSLQEGATGGHSCPQAMKKWGWETRGGFGGGGGGCSSGGGGGGYIGGNAASNNDPEMDGEDGVSFISPLGILYTPALKVMEGHGEVNIKHYLNCSHCEVDECHMDPESHKVICFCDHGTVLAEDGVSCIVSPTPEPHLPLSLILSVVTSALVAALVLAFSGIMIVYRRKHQELQAMQMELQSPEYKLSKLRTSTIMTDYNPNYCFAGKTSSISDLKEVPRKNITLIRGLGHGAFGEVYEGQVSGMPNDPSPLQVAVKTLPEVCSEQDELDFLMEALIISKFNHQNIVRCIGVSLQSLPRFILLELMAGGDLKSFLRETRPRPSQPSSLAMLDLLHVARDIACGCQYLEENHFIHRDIAARNCLLTCPGPGRVAKIGDFGMARDIYRASYYRKGGCAMLPVKWMPPEAFMEGIFTSKTDTWSFGVLLWEIFSLGYMPYPSKSNQEVLEFVTSGGRMDPPKNCPGPVYRIMTQCWQHQPEDRPNFAIILERIEYCTQDPDVINTALPIEYGPLVEEEEKVPVRPKDPEGVPPLLVSQQAKREEERSPAAPPPLPTTSSGKAAKKPTAAEISVRVPRGPAVEGGHVNMAFSQSNPPSELHKVHGSRNKPTSLWNPTYGSWFTEKPTKKNNPIAKKEPHDRGNLGLEGSCTVPPNVATGRLPGASLLLEPSSLTANMKEVPLFRLRHFPCGNVNYGYQQQGLPLEAATAPGAGHYEDTILKSKNSMNQPGP

Sequence positions 1–1620

Gray shows the full canonical sequence. Colored spans mark the listed intervals.

Signal peptide

1–18

Membrane-spanning segments

1039–1059 (Helical)

Source-annotated domains

19–1038 (Extracellular); 1060–1620 (Cytoplasmic)

Source-annotated extracellular intervals

19–1038

UniProt annotates the following extracellular intervals.

One-based positions include both interval endpoints.
Start	End	Length	Sequence and source
19	1038	1020	Sequence and source Basis reviewed-uniprot-topological-domain Evidence class source-annotated-topology Sequence SHA-256 7f4298fbad0577f093773074903662dc097635c0a9dcd9acf160e552bb5e3d29 Amino-acid sequence for this intervalVGSGMGTGQRAGSPAAGPPLQPREPLSYSRLQRKSLAVDFVVPSLFRVYARDLLLPPSSSELKAGRPEARGSLALDCAPLLRLLGPAPGVSWTAGSPAPAEARTLSRVLKGGSVRKLRRAKQLVLELGEEAILEGCVGPPGEAAVGLLQFNLSELFSWWIRQGEGRLRIRLMPEKKASEVGREGRLSAAIRASQPRLLFQIFGTGHSSLESPTNMPSPSPDYFTWNLTWIMKDSFPFLSHRSRYGLECSFDFPCELEYSPPLHDLRNQSWSWRRIPSEEASQMDLLDGPGAERSKEMPRGSFLLLNTSADSKHTILSPWMRSSSEHCTLAVSVHRHLQPSGRYIAQLLPHNEAAREILLMPTPGKHGWTVLQGRIGRPDNPFRVALEYISSGNRSLSAVDFFALKNCSEGTSPGSKMALQSSFTCWNGTVLQLGQACDFHQDCAQGEDESQMCRKLPVGFYCNFEDGFCGWTQGTLSPHTPQWQVRTLKDARFQDHQDHALLLSTTDVPASESATVTSATFPAPIKSSPCELRMSWLIRGVLRGNVSLVLVENKTGKEQGRMVWHVAAYEGLSLWQWMVLPLLDVSDRFWLQMVAWWGQGSRAIVAFDNISISLDCYLTISGEDKILQNTAPKSRNLFERNPNKELKPGENSPRQTPIFDPTVHWLFTTCGASGPHGPTQAQCNNAYQNSNLSVEVGSEGPLKGIQIWKVPATDTYSISGYGAAGGKGGKNTMMRSHGVSVLGIFNLEKDDMLYILVGQQGEDACPSTNQLIQKVCIGENNVIEEEIRVNRSVHEWAGGGGGGGGATYVFKMKDGVPVPLIIAAGGGGRAYGAKTDTFHPERLENNSSVLGLNGNSGAAGGGGGWNDNTSLLWAGKSLQEGATGGHSCPQAMKKWGWETRGGFGGGGGGCSSGGGGGGYIGGNAASNNDPEMDGEDGVSFISPLGILYTPALKVMEGHGEVNIKHYLNCSHCEVDECHMDPESHKVICFCDHGTVLAEDGVSCIVSPTPEPHLPLSLILS

Sequence and topology sources

Source role: canonical-sequence
Source: alphafold-db-canonical-uniprot-field
Extracted field: uniprotSequence
Source row accession: Not recorded

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Open sequence source

Source role: reviewed-topology
Source: UniProt reviewed human surface-field snapshot
Extracted field: Not recorded
Source row accession: Q9UM73

Download source snapshot (gzip)

subcellular_location: SUBCELLULAR LOCATION: Cell membrane {ECO:0000269|PubMed:34819673, ECO:0000269|PubMed:9174053}; Single-pass type I membrane protein {ECO:0000269|PubMed:16317043, ECO:0000269|PubMed:9174053}. Note=Membrane attachment is essential for promotion of neuron-like differentiation and cell proliferation arrest through specific activation of the MAP kinase pathway. {ECO:0000269|PubMed:16317043}.
transmembrane: TRANSMEM 1039..1059; /note="Helical"; /evidence="ECO:0000255"
topological_domain: TOPO_DOM 19..1038; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 1060..1620; /note="Cytoplasmic"; /evidence="ECO:0000255"
signal_peptide: SIGNAL 1..18; /evidence="ECO:0000255"
lipidation: Not recorded

Download all canonical target sequences (FASTA)

Protein identity and location

Protein: ALK tyrosine kinase receptor
Protein location: Transmembrane protein
Canonical sequence: Q9UM73 · 1,620 amino acids
Extracellular region: UniProt annotates extracellular residues 19–1038.

Expression in normal tissues

RNA specificity: Tissue enhanced
RNA distribution: Detected in some
RNA tissue-specific nTPM: brain: 1.9; pituitary gland: 2.4; testis: 1.5
Protein specificity: Tissue enriched
Protein distribution: Detected in single
Immunohistochemistry reliability: Approved
Immunofluorescence reliability: Supported
Protein tissue-specific intensity: cerebral cortex: 5,186.1
Tissue cell-type enrichment: Adrenal gland - Adrenal medulla cells, Colon - Enteric glia cells, Pituitary gland - Lactotropes, Testis - Early spermatids, Testis - Late spermatids
Subcellular location: Plasma membrane

Human Protein Atlas: ALK

Sources and downloads

UniProt protein record Target measurements (JSON)Sequence annotations (JSON)Target sequences (FASTA)

ALK · ENSG00000171094 · Q9UM73