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Gene ALK
Variant I1171N
Impact List missense
Protein Effect gain of function
Gene Variant Descriptions ALK I1171N lies within the protein kinase domain of the Alk protein (UniProt.org). I1171N results in increased ligand-independent Alk phosphorylation and activation of the Stat pathway in culture (PMID: 23239810, PMID: 21838707), activation in in vitro assays (PMID: 33674381, PMID: 25517749), is transforming in cell culture (PMID: 23239810, (PMID: 33674381, PMID: 25517749), and has been demonstrated to occur as a secondary resistance mutation in the context of ALK fusions (PMID: 27565911).
Associated Drug Resistance Y
Category Variants Paths

ALK mutant ALK act mut ALK I1171N

ALK mutant ALK I1171X ALK I1171N

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Transcript NM_004304.5
gDNA chr2:g.29222347A>T
cDNA c.3512T>A
Protein p.I1171N
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_004304.4 chr2:g.29222347A>T c.3512T>A p.I1171N RefSeq GRCh38/hg38
NM_004304.5 chr2:g.29222347A>T c.3512T>A p.I1171N RefSeq GRCh38/hg38
NM_004304 chr2:g.29222347A>T c.3512T>A p.I1171N RefSeq GRCh38/hg38

Filtering

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  • Use simple literal full or partial string matches
  • Separate multiple filter terms with a space. Any order may be used (i. e. a b c and c b a are equivalent )
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  • Use quotes to match on a longer phrase with spaces (i.e. "mtor c1483f")

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ALK I1171N Advanced Solid Tumor sensitive Brigatinib Preclinical - Cell culture Actionable In a preclinical study, a transformed cell line expressing ALK I1171N was sensitive to Alunbrig (brigatinib) in culture, resulting in cell growth inhibition (PMID: 27049722). 27049722
ALK I1171N Advanced Solid Tumor decreased response TPX-0131 Preclinical - Biochemical Actionable In a preclinical study, ALK I1171N demonstrated reduced sensitivity to TPX-0131 in an in vitro kinase assay (PMID: 34158340). 34158340
ALK I1171N Advanced Solid Tumor sensitive Repotrectinib Preclinical - Cell culture Actionable In a preclinical study, Augtyro (repotrectinib) decreased Alk phosphorylation and neurite outgrowth in cells expressing ALK I1171N in culture (PMID: 31852910). 31852910