>tr|H1KMT9|H1KMT9_METEX 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Methylorubrum extorquens DSM 13060 GN=panB MSQVVQTRRLQAVDLIKRKAEGRKIISLTAYHAHTAGIVDAYCDFVLVGDSLGMVMHGME STLPVTLEMMILQAQAVMRGTSRALVVVDMPFGSYEASREQAFLNAARVLKETGAGAIKL EGGARFAETVAFLTERGVPVMGHIGLTPQSVNTMGGFKVQGHGAGDEDRLRADARAISDA GAFAIVLEGIVEPVARAIATDPAIRAATIGIGATAACDGQILVLEDMLGLSDRVPRFVKS YGSLRAHIEEAVRAYADEVQAGRFPAEGHTYPPR