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InterPro: IPR000846 Dihydrodipicolinate reductase
Protein matches
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UniProtKB Matches: 2116 proteins |
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Accession
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IPR000846 DapB |
Type
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Family |
Signatures
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InterPro Relationships
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Children
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IPR011770 Dihydrodipicolinate reductase, bacterial/plant
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Contains
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IPR016040 NAD(P)-binding domain
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GO Term annotation
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Process
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GO:0009089 lysine biosynthetic process via diaminopimelate
GO:0055114 oxidation reduction
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Function
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GO:0008839 dihydrodipicolinate reductase activity
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InterPro annotation
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Entry Details in BioMart
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Abstract
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Dihydrodipicolinate reductase catalyzes the second step in the biosynthesis of diaminopimelic acid and lysine, the NAD or NADP-dependent reduction of 2,3-dihydrodipicolinate into 2,3,4,5-tetrahydrodipicolinate.
In Escherichia coli and Mycobacterium tuberculosis, dihydrodipicolinate reductase has equal specificity for NADH and NADPH, however in Thermotoga maritima there it has a greater affinity for NADPH [1]. In addition, the enzyme is inhibited by high concentrations of its substrate, which consequently acts as a feedback control on the lysine biosynthesis pathway. In T. maritima, the enzyme also lacks N-terminal and C-terminal loops which are present in enzyme of the former two organisms.
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Structural links
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Database links
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Pfam Clan: CL0063.21
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Additional Reading
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Cirilli M, Zheng R, Scapin G, Blanchard JS.
The three-dimensional structures of the Mycobacterium tuberculosis dihydrodipicolinate reductase-NADH-2,6-PDC and -NADPH-2,6-PDC complexes. Structural and mutagenic analysis of relaxed nucleotide specificity.
Biochemistry 42 2003 10644-50
[PubMed: 12962488]
http://dx.doi.org/10.1021/bi030044v
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Reddy SG, Scapin G, Blanchard JS.
Interaction of pyridine nucleotide substrates with Escherichia coli dihydrodipicolinate reductase: thermodynamic and structural analysis of binary complexes.
Biochemistry 35 1996 13294-302
[PubMed: 8873595]
http://dx.doi.org/10.1021/bi9615809
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Scapin G, Reddy SG, Zheng R, Blanchard JS.
Three-dimensional structure of Escherichia coli dihydrodipicolinate reductase in complex with NADH and the inhibitor 2,6-pyridinedicarboxylate.
Biochemistry 36 1997 15081-8
[PubMed: 9398235]
http://dx.doi.org/10.1021/bi9719915
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Scapin G, Cirilli M, Reddy SG, Gao Y, Vederas JC, Blanchard JS.
Substrate and inhibitor binding sites in Corynebacterium glutamicum diaminopimelate dehydrogenase.
Biochemistry 37 1998 3278-85
[PubMed: 9521647]
http://dx.doi.org/10.1021/bi9727949
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Cirilli M, Scapin G, Sutherland A, Vederas JC, Blanchard JS.
The three-dimensional structure of the ternary complex of Corynebacterium glutamicum diaminopimelate dehydrogenase-NADPH-L-2-amino-6-methylene-pimelate.
Protein Sci. 9 2000 2034-7
[PubMed: 11106178]
http://www.proteinscience.org/cgi/content/abstract/9/10/2034
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Scapin G, Blanchard JS, Sacchettini JC.
Three-dimensional structure of Escherichia coli dihydrodipicolinate reductase.
Biochemistry 34 1995 3502-12
[PubMed: 7893645]
http://dx.doi.org/10.1021/bi00011a003
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Scapin G, Reddy SG, Blanchard JS.
Three-dimensional structure of meso-diaminopimelic acid dehydrogenase from Corynebacterium glutamicum.
Biochemistry 35 1996 13540-51
[PubMed: 8885833]
http://dx.doi.org/10.1021/bi961628i
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InterPro 23.1
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