KIT W557R Negative

**Semantic type:** Laboratory or Test Result

**Definition:** A finding indicating that a mutation of the KIT gene encoding the amino acid substitution Trp557Arg (W557R) in the mast/stem cell growth factor receptor Kit protein has not been detected in a sample.

**Synonyms:** - CD117 Antigen Trp557Arg Negative - CD117 Antigen W557R Negative - KIT NP_000213.1:p.Trp557Arg Negative - KIT NP_000213.1:p.W557R Negative - KIT Trp557Arg Negative - KIT W557R Mutation Negative - KIT p.Trp557Arg Negative - KIT p.W557R Negative - Mast/Stem Cell Growth Factor Receptor Kit Trp557Arg Negative - Mast/Stem Cell Growth Factor Receptor Kit W557R Negative - NP_000213.1:p.Trp557Arg Negative - NP_000213.1:p.W557R Negative - c-KIT Trp557Arg Negative - c-KIT W557R Negative