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Gene structure of STAT 5b (Signal transducer and activator of transcription 5b) gene located at chromosome position17q21.2. It encodes 787 amino acid long protein and consists of 18 coding exons. A dash (−) represents the exons spanning the gene. N642H is the somatic gain of function mutation present in the Src homology 2(SH2) domain of the gene. Various domains present in the gene are highlighted in the diagram.
