>3K4Y_1|Chains A, B|isopentenyl phosphate kinase|Methanocaldococcus jannaschii (2190) GSHGGSMLTILKLGGSILSDKNVPYSIKWDNLERIAMEIKNALDYYKNQNKEIKLILVHGGGAFGHPVAKKYLKIEDGKKIFINMEKGFWEIQRAMRRFNNIIIDTLQSYDIPAVSIQPSSFVVFGDKLIFDTSAIKEMLKRNLVPVIHGDIVIDDKNGYRIISGDDIVPYLANELKADLILYATDVDGVLIDNKPIKRIDKNNIYKILNYLSGSNSIDVTGGMKYKIEMIRKNKCRGFVFNGNKANNIYKALLGEVEGTEIDFSE