>tr|Q8YU22|Q8YU22_NOSS1 ATP-binding protein of branched-chain amino acid ABC transporter OS=Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) GN=alr2539 PE=4 SV=1 MSLDKSRVILEAKSLTRRFGGLVAVNNVSFTVNHYEIFGLIGPNGAGKTTLFNLITALIPPSSGELIYQNKAIAKLRPHQ IASLGIARTFQNIRLFGELSALENVIIARHLHTKSTIFTGVLGLPPAPKEESRSREKALELLEMVGLSDRAQEKARNFAY GDQRRLEIARALALEPQILLLDEPAAGMNPSEKQQLSDFIREIRDRFNLTIILIEHHVPLVMGLCDRIAVLDFGQLIALG EPSVVRNDPAVIEAYLGNE