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bphA3

Gene
bphA3
Protein
Biphenyl dioxygenase ferredoxin subunit
Organism
Pseudomonas sp. (strain KKS102)
Length
109 amino acids
Function
This protein seems to be a 2Fe-2S ferredoxin.
Similarity
Belongs to the bacterial ring-hydroxylating dioxygenase ferredoxin component family.
Mass
11.913 kDa
Sequence
MTFTKACSVDEVPPGEALQVSHDAQKVAIFNVDGEFFATQDQCTHGEWSLSEGGYLDGDVVECSLHMGKFCVRTGKVKSPPPCEPLKVYPIRIEGRDVLVDFSRAALHA

Gene
bphA3
Protein
Biphenyl 2,3-dioxygenase, ferredoxin component
Organism
Rhodococcus jostii (strain RHA1)
Length
107 amino acids
Function
Ferredoxin component of the biphenyl dioxygenase system that catalyzes the stereospecific dihydroxylation of the aromatic ring of biphenyl, yielding a dihydrodiol compound. Is likely involved in biphenyl degradation that allows growth of Rhodococcus sp. strain RHA1 on biphenyl as the sole source of carbon and energy. The dioxygenase system can also use naphtalene and 4-chlorobiphenyl (4-CB) as substrates, as well as some polychlorinated biphenyls (PCB) such as 2,2'-dichlorobiphenyl, 2,3-dichlorobiphenyl and 2,5,2'-trichlorobiphenyl. It exhibits weak activity toward dibenzofuran and dibenzo-p-dioxin. Electrons are transferred from NADH to the [2Fe-2S] cluster in BphA1 via FAD of BphA4 and [2Fe-2S] cluster of BphA3.
Similarity
Belongs to the bacterial ring-hydroxylating dioxygenase ferredoxin component family.
Mass
11.536 kDa
Sequence
MALTKICSSGDLAPGEMLRFEEGPEPILVCNVGGEFFATQDTCSHADWALSEGYLEDDVVECTLHWAKFCVRTGKAKALPACVPLRTFVVKLEGDDVLVDLEGGVTT