PepB aminopeptidase

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PepB aminopeptidase (EC 3.4.11.23, Salmonella enterica serovar Typhimurium peptidase B) is an enzyme^[1] which catalyses the following chemical reaction:

Release of an N-terminal amino acid, Xaa, from a peptide or arylamide.

Xaa is preferably Glu or Asp, but may be other amino acids, including Leu, Met, His, Cys and Gln.

References

↑ Mathew, Z., Knox, T.M. and Miller, C.G. (2000). "Salmonella enterica serovar typhimurium peptidase B is a leucyl aminopeptidase with specificity for acidic amino acids". J. Bacteriol. 182: 3383–3393. doi:10.1128/jb.182.12.3383-3393.2000. PMID 10852868.

External links

PepB aminopeptidase at the US National Library of Medicine Medical Subject Headings (MeSH)

Hydrolase: proteases (EC 3.4)

3.4.11-19: Exopeptidase

3.4.11	Aminopeptidase Alanine Arginyl Aspartyl Cystinyl Leucyl Glutamyl Methionyl 1 2 O

3.4.13	Dipeptidase 1 2 3

3.4.14	Dipeptidyl peptidase Cathepsin C Dipeptidyl peptidase-4 Tripeptidyl peptidase Tripeptidyl peptidase I Tripeptidyl peptidase II

3.4.15	Angiotensin-converting enzyme

3.4.16	Serine type carboxypeptidases: Cathepsin A DD-transpeptidase

3.4.17	Metalloexopeptidases Carboxypeptidase A A2 B C E Glutamate II

Other/ungrouped	Metalloexopeptidase

3.4.21-25: Endopeptidase

Other/ungrouped: Amyloid precursor protein secretase

3.4.99: Unknown

Staphylokinase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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