title: Cloning, expression, and characterization of pyrrolidone carboxyl peptidase from the archaeon Thermococcus litoralis.
abstract: The gene encoding pyrrolidone carboxyl peptidase (Pcp) has been cloned from the hyperthermophilic archaeon Thermococcus litoralis. The recombinant enzyme has been expressed in Escherichia coli, purified, and characterized. The T. litoralis Pcp demonstrates strong sequence homology to previously characterized bacterial Pcps. Some investigations have been carried out on enzyme substrate specificity and stability.
authors.affiliation: Department of Chemistry, University of Exeter, UK.
authors.forename: M R
authors.initials: MR
authors.lastname: Singleton
authors.forename: S J
authors.initials: SJ
authors.lastname: Taylor
authors.forename: J S
authors.initials: JS
authors.lastname: Parrat
authors.forename: J A
authors.initials: JA
authors.lastname: Littlechild
mesh_terms: D000595:Amino Acid Sequence; D019843:Archaeal Proteins / Q000737:chemistry / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism; D001711:Biotransformation; D003001:Cloning, Molecular; D004591:Electrophoresis, Polyacrylamide Gel; D004795:Enzyme Stability / Q000187:drug effects; D004926:Escherichia coli; D008969:Molecular Sequence Data; D008970:Molecular Weight; D011751:Pyroglutamyl-Peptidase I / Q000737:chemistry / Q000235:genetics* / Q000302:isolation & purification / Q000378:metabolism*; D011994:Recombinant Proteins / Q000737:chemistry / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism; D016415:Sequence Alignment; D012997:Solvents / Q000494:pharmacology; D013379:Substrate Specificity; D013696:Temperature; D019712:Thermococcus / Q000201:enzymology* / Q000235:genetics
chemical_list: D019843:Archaeal Proteins; D011994:Recombinant Proteins; D012997:Solvents; D011751:Pyroglutamyl-Peptidase I