{"entity":{"id":"tubb2b","kind":"target","name":"TUBB2B","aka":["tubulin beta 2B class IIb","Tubulin beta-2B chain","MGC8685","DKFZp566F223","bA506K6.1"],"tldr":"TUBB2B (Tubulin beta-2B chain) is a gene. The public catalogues list it as a drug target, and an approved or late-stage drug is recorded against it. Tied to Breast cancer, Lung cancer, Sarcomas and 5 more.","summary":"Tubulin is the major constituent of microtubules, a cylinder consisting of laterally associated linear protofilaments composed of alpha- and beta-tubulin heterodimers. Microtubules grow by the addition of GTP-tubulin dimers to the microtubule end, where a stabilising cap forms. Below the cap, tubulin dimers are in GDP-bound state, owing to GTPase activity of alpha-tubulin.\n\nOpen Targets scores its association with cancer at 0.64 (direct and indirect evidence; datatypes literature 0.84, animal model 0.68, genetic association 0.00, clinical 1.00).","asOf":"2026-09-23","links":[{"label":"HGNC HGNC:30829","url":"https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:30829"},{"label":"UniProt Q9BVA1","url":"https://www.uniprot.org/uniprotkb/Q9BVA1/entry"},{"label":"NCBI Gene 347733","url":"https://www.ncbi.nlm.nih.gov/gene/347733"},{"label":"Ensembl ENSG00000137285","url":"https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000137285"}],"tags":["cancer-genes-wave"],"related":["open-targets"],"cancers":["breast-cancer","lung-cancer","sarcoma","prostate","non-hodgkin-lymphoma","hodgkin-lymphoma","cervical","multiple-myeloma"],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":["Written by scripts/fetch-cancer-genes.ts from CIViC, Open Targets, IntOGen, HGNC and UniProt; the function text is UniProt's, condensed and in UK spelling. Roles: Open Targets known-drug datatype score 1.00. Evidence tier \"approved-drug\" is the strongest of those signals.","Prevalence not recorded: none of the sources gives a positivity rate."],"provenance":{"editedBy":"scripts/fetch-cancer-genes.ts (CIViC, Open Targets, IntOGen, HGNC, UniProt)","editedOn":"2026-09-23"},"symbol":"TUBB2B","role":["drug-target"],"evidenceTier":"approved-drug","sources":[{"label":"HGNC HGNC:30829","url":"https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:30829","note":"approved symbol, name, aliases, locus and cross-references (hgnc_complete_set.txt)"},{"label":"UniProt Q9BVA1","url":"https://www.uniprot.org/uniprotkb/Q9BVA1/entry","note":"protein name, function text, keywords and locations (REST API)"},{"label":"Open Targets ENSG00000137285","url":"https://platform.opentargets.org/target/ENSG00000137285/associations","note":"association with cancer (MONDO_0004992) 0.64; per-cancer scores at or above 0.5: non-small cell lung carcinoma 0.61, gastric cancer 0.54, prostate cancer 0.60, ovarian cancer 0.56, cervical cancer 0.58, head and neck squamous cell carcinoma 0.53 (GraphQL API, CC0)"}],"hgnc":"HGNC:30829","ensembl":"ENSG00000137285","uniprot":"Q9BVA1","entrez":"347733","biology":"Tubulin is the major constituent of microtubules, a cylinder consisting of laterally associated linear protofilaments composed of alpha- and beta-tubulin heterodimers. Microtubules grow by the addition of GTP-tubulin dimers to the microtubule end, where a stabilising cap forms. Below the cap, tubulin dimers are in GDP-bound state, owing to GTPase activity of alpha-tubulin. Plays a critical role in proper axon guidance in both central and peripheral axon tracts. Implicated in neuronal migration. Location: Cytoplasm, cytoskeleton (UniProt). Locus 6p25.2 (HGNC).","whereFound":["Breast cancer: Open Targets association 0.62 with breast cancer (MONDO_0007254)","Lung cancer: Open Targets association 0.60 with lung cancer (MONDO_0008903)","Sarcomas: Open Targets association 0.60 with sarcoma (MONDO_0005089)","Prostate cancer: Open Targets association 0.60 with prostate cancer (MONDO_0008315)","Non-Hodgkin lymphoma: Open Targets association 0.59 with non-Hodgkin lymphoma (MONDO_0018908)","Hodgkin lymphoma: Open Targets association 0.59 with Hodgkins lymphoma (MONDO_0004952)"],"targetClass":"other","prevalence":[]},"route":"/targets/tubb2b/","neighbours":{"collection":[{"id":"open-targets","kind":"collection","name":"Open Targets Platform","route":"/collections/open-targets/"}],"cancer":[{"id":"breast-cancer","kind":"cancer","name":"Breast cancer (all types)","route":"/cancers/breast-cancer/"},{"id":"cervical","kind":"cancer","name":"Cervical cancer","route":"/cancers/cervical/"},{"id":"hodgkin-lymphoma","kind":"cancer","name":"Hodgkin lymphoma","route":"/cancers/hodgkin-lymphoma/"},{"id":"lung-cancer","kind":"cancer","name":"Lung cancer (all types)","route":"/cancers/lung-cancer/"},{"id":"multiple-myeloma","kind":"cancer","name":"Multiple myeloma","route":"/cancers/multiple-myeloma/"},{"id":"non-hodgkin-lymphoma","kind":"cancer","name":"Non-Hodgkin lymphoma (all types)","route":"/cancers/non-hodgkin-lymphoma/"},{"id":"prostate","kind":"cancer","name":"Prostate cancer","route":"/cancers/prostate/"},{"id":"sarcoma","kind":"cancer","name":"Sarcomas (soft tissue, bone, GIST)","route":"/cancers/sarcoma/"}]}}