Cloning of the dapB gene, encoding dihydrodipicolinate reductase, from Mycobacterium tuberculosis.
Diaminopimelate (DAP) is used by bacteria for the synthesis of lysine. In many species of bacteria, including mycobacteria, DAP is also used for peptidoglycan biosynthesis. In this report we describe the cloning of the dapB gene encoding dihydrodipicolinate reductase (DHPR), which catalyzes a key branch point reaction in the bacterial DAP biosynthetic pathway, from Mycobacterium tuberculosis. Analyses of the DapB proteins from different bacterial species suggest that two different classes of DHPR enzymes may exist in bacteria.
Pavelka
M S
MS
Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York 10461, USA.
Weisbrod
T R
TR
Jacobs
W R
WR
D000595:Amino Acid Sequence; D001483:Base Sequence; D003001:Cloning, Molecular; D050746:Dihydrodipicolinate Reductase; D005798:Genes, Bacterial / Q000235:genetics*; D008956:Models, Chemical; D008969:Molecular Sequence Data; D009169:Mycobacterium tuberculosis / Q000201:enzymology / Q000235:genetics*; D010088:Oxidoreductases / Q000235:genetics*; D044925:Oxidoreductases Acting on CH-CH Group Donors; D010802:Phylogeny; D015183:Restriction Mapping; D017422:Sequence Analysis, DNA; D017386:Sequence Homology, Amino Acid
D010088:Oxidoreductases; D050746:Dihydrodipicolinate Reductase; D044925:Oxidoreductases Acting on CH-CH Group Donors