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Information on EC - glutamate synthase (ferredoxin)

for references in articles please use BRENDA:EC1.4.7.1
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IUBMB Comments
Binds a [3Fe-4S] cluster as well as FAD and FMN. The protein is composed of two domains, one hydrolysing L-glutamine to NH3 and L-glutamate (cf. EC, glutaminase), the other combining the produced NH3 with 2-oxoglutarate to produce a second molecule of L-glutamate. The NH3 is channeled through a 24 A channel in the active protein. No hydrolysis of glutamine takes place without ferredoxin and 2-oxoglutarate being bound to the protein [5,6].
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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Reaction Schemes
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abc1, ES7, Fd-dependent glutamate synthase, Fd-GOGAT, Fd-GOGAT1, FdGOGAT, ferredoxin-dependent GltS, ferredoxin-dependent glutamate synthase, ferredoxin-dependent glutamate synthase1, ferredoxin-dependent glutamate synthases, more
2 L-glutamate + 2 oxidized ferredoxin = L-glutamine + 2-oxoglutarate + 2 reduced ferredoxin + 2 H+
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L-glutamate + 2 oxidized ferredoxin + H2O = NH3 + 2-oxoglutarate + 2 reduced ferredoxin + 2 H+
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L-glutamate + NH3 = L-glutamine + H2O
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