Gene Variant Detail

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Gene NRAS
Variant T58I
Impact List missense
Protein Effect loss of function - predicted
Gene Variant Descriptions NRAS T58I lies within the GTP binding pocket of the Nras protein (UniProt.org). T58I has not been characterized, but can be predicted to confer a loss of function on Nras protein based on the effects of KRAS T58I, which results in defective intrinsic GTPase activity and decreased response to GTPase-activating proteins, leading to increased phosphorylation of of Mek and Akt, and transformation in cell culture (PMID: 16474405).
Associated Drug Resistance

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Transcript NM_002524
gDNA chr1:g.114713917G>A
cDNA c.173C>T
Protein p.T58I
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_002524 chr1:g.114713917G>A c.173C>T p.T58I RefSeq GRCh38/hg38

Filtering

  • Case insensitive filtering will display rows where any text in any cell matches the filter term
  • Simple literal full or partial string matches
  • Separate multiple filter terms with a spaces, order doesn't matter (a b c and c b a are equivalent )
  • Filtering will only apply to rows that are already loaded on the page, filtering has no impact on query parameters
  • Use quotes to match a longer phrase which contains spaces "mtor c1483f"

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  • Generally, the default sort order for tables is set to be first column ascending, however, specific tables may set a different default sort order.
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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF V600X MAP2K1 V60E NRAS T58I NRAS Q61R melanoma predicted - resistant Vemurafenib Clinical Study - Cohort Actionable In a clinical study, a melanoma patient harboring a BRAF V600 mutation developed resistance-associated mutations, MAP2K1 V60E, NRAS T58I, and NRAS Q61R, after 18 weeks of treatment with Zelboraf (vemurafenib) (PMID: 24265153). 24265153