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| Gene | PDGFRB |
| Variant | T681I |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | PDGFRB T681I lies within the protein kinase domain of the Pdgfrb protein (UniProt.org). T681I results in increased Pdgfrb autophosphorylation and promotes ligand-independent proliferation in culture (PMID: 18794843), has been associated with secondary drug resistance in the context of a PDGFRB fusion (PMID: 33626861). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
PDGFRB mutant PDGFRB act mut PDGFRB T681I |
| Transcript | NM_002609.4 |
| gDNA | chr5:g.150123183G>A |
| cDNA | c.2042C>T |
| Protein | p.T681I |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_002609.4 | chr5:g.150123183G>A | c.2042C>T | p.T681I | RefSeq | GRCh38/hg38 |
| XM_011537659 | chr5:g.150123183G>A | c.2042C>T | p.T681I | RefSeq | GRCh38/hg38 |
| NM_002609.3 | chr5:g.150123183G>A | c.2042C>T | p.T681I | RefSeq | GRCh38/hg38 |
| XM_011537658 | chr5:g.150123183G>A | c.2042C>T | p.T681I | RefSeq | GRCh38/hg38 |
| NM_002609 | chr5:g.150123183G>A | c.2042C>T | p.T681I | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| PDGFRB T681I | gain of function | PDGFR Inhibitor (Pan) PDGFR-beta Inhibitor |