>3FZ5_1|Chains A, B, C, D|Possible 2-hydroxychromene-2-carboxylate isomerase|Rhodobacter sphaeroides 2.4.1 (272943) SNAMNPIEFWFDFSSGYAFFAAQRIEALAAELGRTVLWRPYMLGAAFSVTGARGLSSTPLKRDYAQRDWARIARQRGLTFRPPADHPHVALAATRAFYWIEAQSPDAATAFAQRVFDLYFSDRLDTASPEAVSRLGPEVGLEPEALLAGIADPALKETVRKIGEDAVARGIFGSPFFLVDDEPFWGWDRMEMMAEWIRTGGW