Signal peptidase II

Signal peptidase II
Identifiers
EC number 3.4.23.36
CAS number 171715-14-3
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

Signal peptidase II (EC 3.4.23.36, premurein-leader peptidase, prolipoprotein signal peptidase, leader peptidase II, premurein leader proteinase) is an enzyme.[1][2][3] This enzyme catalyses the following chemical reaction

Release of signal peptides from bacterial membrane prolipoproteins including murein prolipoprotein. Hydrolyses -Xaa-Yaa-Zaa-(S,diacylglyceryl)Cys-, in which Xaa is hydrophobic (preferably Leu), and Yaa (Ala or Ser) and Zaa (Gly or Ala) have small, neutral sidechains

This enzyme is present in bacterial inner membranes.

References

  1. ↑ Dev, I.K.; Ray, P.H. (1990). "Signal peptidases and signal peptide hydrolases". J. Bioenerg. Biomembr. 22: 271–290. doi:10.1007/bf00763168. PMID 2202720.
  2. ↑ Zhao, X.-J.; Wu, H.C. (1992). "Nucleotide sequence of the Staphylococcus aureus' signal peptidase II (lsp) gene". FEBS Lett. 299: 80–84. doi:10.1016/0014-5793(92)80105-p. PMID 1544479.
  3. ↑ Sankaran, K.; Wu, H.C. (1995). "Bacterial prolipoprotein signal peptidase". Methods Enzymol. 248: 169–180. doi:10.1016/0076-6879(95)48014-5. PMID 7674920.
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