NP_415200.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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Molecular Weight
62,659 Da
NCBI Official Full Name
asparagine synthetase B
NCBI Protein Information
asparagine synthetase B
UniProt Protein Name
Asparagine synthetase B [glutamine-hydrolyzing]
UniProt Synonym Gene Names
NCBI Summary for asnB
AsnA and AsnB are redundant; an asparagine auxotrophy requires that both genes be mutated. [More information is available at EcoGene: EG10092]. Asparagine synthetase B (AsnB) is one of two asparagine synthetases in Escherichia coli, catalyzing the glutamine-dependent and ammonia-dependent conversion of aspartate to asparagine. [More information is available at EcoCyc: EG10092].
UniProt Comments for asnB
Catalyzes the ATP-dependent conversion of aspartate into asparagine, using glutamine as a source of nitrogen. Can also use ammonia as the nitrogen source in vitro, albeit with lower efficiency. As nucleotide substrates, ATP and dATP are utilized at a similar rate in both the glutamine- and ammonia-dependent reactions, whereas GTP utilization is only 15% that of ATP, and CTP, UTP, ITP and XTP are very poor or not substrates. Also exhibits glutaminase activity.
Research Articles on asnB
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Products associated with asnB recombinant protein
Pathways associated with asnB recombinant protein
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