>sp|Q2JZU0|PANB_RHIEC 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Rhizobium etli GN=panB MSAIGSQKRLTPPRISAMKGGKPIVCLTAYTTPMARLLDDHCDLLLVGDSLGMVLYGMET TIGVTLDMMIAHGKAVMRGVAKACVVVDMPFGSYQESKEVAFRNAVRILQETGCDAVKLE GGEEMAETIAFLTKRGIPVMGHIGLMPQQVQTAGGYRSVGHSEHETSKIRRDAHAIGGSG AFAVVIEGTVEPLAREVTSAMHIPTIGIGASAACDGQVLVSDDILGLFNDFKPRFVKRYD ELGKRVADAVAAYAEDVRSRKFPAADHTFKRRP