This is the N-terminal 50 amino acids of a group of bacterial proteins annotated as fumarylacetoacetate hydrolase-containing enzymes, including Rv2993c from Mycobacterium tuberculosis. In most cases members are associated with FAA_hydrolase Pfam:PF01557 further towards the C-terminus.

1: Purification, nucleotide sequence and some properties of a bifunctional isomerase/decarboxylase from the homoprotocatechuate degradative pathway of Escherichia coli C. Roper DI, Cooper RA; Eur J Biochem 1993;217:575-580. PMID:8223600