>sp|A1VKS3|PANB_POLNA 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Polaromonas naphthalenivorans GN=panB MSQAPSESLSATAYGTLPPASTPSARKPLSLPRLREMHAHGEKITMLTAYDATFAAVADA AGVECILVGDSLGMVCQGLSSTVGVTLETMRYHTECVTRGLRRSQGVAWVIGDLPFGTYH ESKEQALRSAVVLMQAGAHMVKLEGGGWTTETVRFLVERGIPVCAHLGLTPQTVHALGGY RVQGKTDESAALLRREASALQDAGASMLVLEMVPAALAAEVTQQLTHCATIGIGAGSGTA GQVLVLHDMLGMNLGKMARFVHNFMDGAPSVRGAMEAYVRAVKNVSFPDNSVHAW