>5JJC_1|Chains A, B, C, D|Cysteine synthase|Brucella abortus S19 (430066) MFNSVLDTIGNTPLIRLSKASELTGCDIYGKAEFLNPGQSVKDRAALYIIRDAEKRGLLRPGGVIVEGTAGNTGIGLTMVAKALGYRTAIVIPETASQEKKDALRLLGAELIEVPAAPYRNPNNAVRLSGRLAEQLAKTEPNGAIWANQFDNTVNRQAHIETTAQEIWRDTSDQIDGFVAAVGSGGTLAGTAIGLKERNHNIKIALADPHGAALHAFYTTGELKAEGDSITEGIGQGRITANLEGFTPDFSYQIPDAEALDILFALVEEEGLCLGGSSGINIAGAIRLAKDLGPGHTIVTVLCDYGNRYQSKLFNPAFLRGKSLPVPRWLEKKTEIDIPFEG