Changes

* In-frame duplications of 3 to >400 base pairs, also known as internal tandem duplications (ITDs), are the most common mutations in ''FLT3'' and they occur in up to 30% of adult patients with ''de novo'' AML [3,4,5,6]. About 70% of ''FLT3''-ITDs occur in the JMD and about 30% in the TKD [3].

* In-frame duplications of 3 to >400 base pairs, also known as internal tandem duplications (ITDs), are the most common mutations in ''FLT3'' and they occur in up to 30% of adult patients with ''de novo'' AML [3,4,5,6]. About 70% of ''FLT3''-ITDs occur in the JMD and about 30% in the TKD [3].

* The second most common type of ''FLT3'' mutations in AML are those within the TKD (occurring in up to 14% of adult patients with AML) [3]. The majority are point mutations within the activation loop (e.g., residues D835, I836, Y842) of the TKD2, and within the TKD1 (e.g., residues N676, F691) [3,11]. As a result of amino acid substitutions, changes in the activation loop favor the active kinase confirmation.  

* The second most common type of ''FLT3'' mutations in AML are those within the TKD (occurring in up to 14% of adult patients with AML) [3]. The majority are point mutations within the activation loop (e.g., residues D835, I836, Y842) of the TKD2, and within the TKD1 (e.g., residues N676, F691) [3,11]. As a result of amino acid substitutions, changes in the activation loop favor the active kinase conformation.  

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