>3CMB_1|Chains A, B, C, D|Acetoacetate decarboxylase|Methanoculleus marisnigri JR1 (368407) MGSDKIHHHHHHENLYFQGMFRPQDDFTYLMPVHFGGGKFDPETLVTQKATALSLSFETERDLLENYIPEGFELLAPEVQVAFNKFTEINWLHGGQYNLINVAAPVRFHGKKDELDGAYTLVVWENKTAPILGGREQTGIPKIYADIEDLHIVRPHFATTVSYEGNTFLNMDFEATGSITGRDLDALKSQFLTMNTLGWRYIPKVGAPGAELSQFVLYPQGMEVETAEVGKGSLKWTELTPMQSPAQYYIVNSLASLPIKRVTQAVLVEGRAILRAMGARVIE