IUBMB Enzyme Nomenclature


Accepted name: human endogenous retrovirus K endopeptidase

Reaction: Processing at the authentic HIV-1 PR recognition site and release of the mature p17 matrix and the p24 capsid protein, as a result of the cleavage of the -SQNYPIVQ- cleavage site.

Other name(s): human endogenous retrovirus K10 endopeptidase; endogenous retrovirus HERV-K10 putative protease; human endogenous retrovirus K retropepsin; HERV K10 endopeptidase; HERV K10 retropepsin; HERV-K PR; HERV-K protease; HERV-K113 protease; human endogenous retrovirus K113 protease; human retrovirus K10 retropepsin

Comments: In peptidase family A2.

Links to other databases: BRENDA, EXPASY, KEGG, MEROPS, Metacyc, CAS registry number:


1. Towler, E.M., Gulnik, S.V., Bhat, T.N., Xie, D., Gustschina, E., Sumpter, T.R., Robertson, N., Jones, C., Sauter, M., Mueller-Lantzsch, N., Debouck, C. and Erickson, J.W. Functional characterization of the protease of human endogenous retrovirus, K10: can it complement HIV-1 protease. Biochemistry 37 (1998) 17137-17144. [PMID: 9860826]

[EC created 2009]

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