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fumarate hydratase
This family consists of several bacterial fumarate hydratase proteins FumA and FumB. Fumarase, or fumarate hydratase (EC 4.2.1.2), is a component of the citric acid cycle. In facultative anaerobes such as Escherichia coli, fumarase also engages in the reductive pathway from oxaloacetate to succinate during anaerobic growth. Three fumarases, FumA, FumB, and FumC, have been reported in E. coli. fumA and fumB genes are homologous and encode products of identical sizes which form thermolabile dimers of Mr 120,000. FumA and FumB are class I enzymes and are members of the iron-dependent hydrolases, which include aconitase and malate hydratase. The active FumA contains a 4Fe-4S centre, and it can be inactivated upon oxidation to give a 3Fe-4S centre [1]. [1]. 11133938. Oxygen- and growth rate-dependent regulation of Escherichia coli. fumarase (FumA, FumB, and FumC) activity.. Tseng CP, Yu CC, Lin HH, Chang CY, Kuo JT;. J Bacteriol 2001;183:461-467. (from Pfam)
fumarate hydratase C-terminal domain-containing protein
This family consists of the C terminal region of several bacterial fumarate hydratase proteins (FumA and FumB). Fumarase, or fumarate hydratase (EC 4.2.1.2), is a component of the citric acid cycle. In facultative anaerobes such as Escherichia coli, fumarase also engages in the reductive pathway from oxaloacetate to succinate during anaerobic growth [1]. [1]. 11133938. Oxygen- and growth rate-dependent regulation of Escherichia coli. fumarase (FumA, FumB, and FumC) activity.. Tseng CP, Yu CC, Lin HH, Chang CY, Kuo JT;. J Bacteriol 2001;183:461-467. (from Pfam)
hydrolyase, tartrate alpha subunit/fumarate domain protein, Fe-S type
A number of Fe-S cluster-containing hydro-lyases share a conserved motif, including argininosuccinate lyase, adenylosuccinate lyase, aspartase, class I fumarate hydratase (fumarase), and tartrate dehydratase (see PROSITE:PDOC00147). This model represents a subset of closely related proteins or modules, including the E. coli tartrate dehydratase alpha chain and the N-terminal region of the class I fumarase (where the C-terminal region is homologous to the tartrate dehydratase beta chain). The activity of archaeal proteins in this subfamily has not been established.
FumA C-terminus/TtdB family hydratase beta subunit
A number of Fe-S cluster-containing hydro-lyases share a conserved motif, including argininosuccinate lyase, adenylosuccinate lyase, aspartase, class I fumarate hydratase (fumarase), and tartrate dehydratase (see PROSITE:PDOC00147). This model represents a subset of closely related proteins or modules, including the E. coli tartrate dehydratase beta chain and the C-terminal region of the class I fumarase (where the N-terminal region is homologous to the tartrate dehydratase alpha chain). The activity of archaeal proteins in this subfamily has not been established.
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