>tr|A0A1S1P3H3|A0A1S1P3H3_METEX 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Methylorubrum extorquens GN=panB MSQVVQTRRLQAVDLIKRKAEGRKIISLTAYHAHTAGIVDAYCDFVLVGDSLGMVMHGME STLPVTLEMMILQAQAVMRGTSRALVVVDMPFGSYEASREQAFLNAARVLKETGAGAIKL EGGARFAETVAFLTERGVPVMGHIGLTPQSVNTMGGFKVQGHGAGDEDRLRADARAISDA GAFAIVLEGIVEPVARAIATDPAIRAATIGIGATAACDGQILVLEDMLGLSDRVPRFVKS YGSLRAHIEEAVRAYADEVQAGRFPAEGHTYPPR