Biology:Muramoyltetrapeptide carboxypeptidase

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Muramoyltetrapeptide carboxypeptidase
Identifiers
EC number3.4.17.13
CAS number60063-80-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Muramoyltetrapeptide carboxypeptidase (EC 3.4.17.13, carboxypeptidase IIW, carboxypeptidase II, lysyl-D-alanine carboxypeptidase, L-lysyl-D-alanine carboxypeptidase, LD-carboxypeptidase) is an enzyme.[1][2][3] This enzyme catalyses the following chemical reaction

Hydrolysis of the bond: N-acetyl-D-glucosaminyl-N-acetylmuramoyl-L-Ala-D-glutamyl-6-carboxy-L-lysyl--D-alanine

Variants are known from various microorganisms.

References

  1. "Purification and characterization of a carboxypeptidase-transpeptidase of Bacillus megaterium acting on the tetrapeptide moiety of the peptidoglycan". The Journal of Biological Chemistry 254 (13): 5672–83. July 1979. PMID 109439. 
  2. "Penicillin-binding proteins and carboxypeptidase/transpeptidase activities in Proteus vulgaris P18 and its penicillin-induced stable L-forms". Journal of Bacteriology 152 (3): 1042–8. December 1982. PMID 6754695. 
  3. "LD-carboxypeptidase activity in Escherichia coli. II. Isolation, purification and characterization of the enzyme from E. coli K 12". Archives of Microbiology 144 (2): 181–6. March 1986. doi:10.1007/bf00414732. PMID 3521530. 

External links