>sp|Q21U09|PANB_ALBFT 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Albidiferax ferrireducens GN=panB MSASAESTNATPYGTLPPTAAASARKPISLPRLLEMHARGEKLTMLTAYDATFAAVADAA GVECILVGDSLGMVCQGLSSTMGVTLQAMCYHIESVARGLRRAQATAWLIGDLPYGSYHE SREQALRSAAALMQAGSHMVKLEGGGWTADTVRFLVERGIPVCAHLGLTPQTVHALGGYR VQGKTQESAALMKRQAHELQDAGAALLVLEMVPAALAAELTRELTHCATIGIGAGKDTAG QVLVLHDMLGINLGKMPKFVRNFMTGAPGVKEAMQAYVAAVKNGSFPDNTQHAW