>6BLM_1|Chains A, B, C|4-oxalocrotonate tautomerase|Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) (482957) PTLEVFLPAGHDDARKAELIARLTGATVDSIGAPIESVRVLLTELPATHIGLGGRSAADGAPPSLPVIVAILIAGRTDEQKRALIAALSETSASVLDAPLQATRVMIKDIPNTDFGIGGQTARALGR