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| Gene | JAK3 |
| Variant | E639K |
| Impact List | missense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | JAK3 E639K lies within protein kinase domain 1 of the Jak3 protein (UniProt.org). E639K confers a loss of function to the Jak3 protein, as demonstrated by failure to mediate IL-2-dependent Stat5 activation in cell culture (PMID: 10629052), and the inability to properly localize to the cell membrane (PMID: 15143194). |
| Associated Drug Resistance | |
| Category Variants Paths |
JAK3 mutant JAK3 inact mut JAK3 E639K |
| Transcript | NM_000215.4 |
| gDNA | chr19:g.17835215C>T |
| cDNA | c.1915G>A |
| Protein | p.E639K |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |