Helper-component proteinase
| Helper-component proteinase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.4.22.45 | ||||||||
| CAS number | 124566-20-7 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Helper-component proteinase (EC 3.4.22.45, HC-Pro) is an enzyme.[1][2] This enzyme catalyses the following chemical reaction
- Hydrolyses a Gly-Gly bond at its own C-terminus, commonly in the sequence -Tyr-Xaa-Val-Gly-Gly, in the processing of the potyviral polyprotein
This enzyme is present in many potyviruses.
References
- ↑ Kasschau, K.D.; Carrington, J.C. (1995). "Requirement for HC-Pro processing during genome amplification of tobacco etch potyvirus". Virology. 209: 268–273. doi:10.1006/viro.1995.1254. PMID 7747479.
- ↑ Verchot, J. (1998). "Potyvirus helper component proteinase". In Barrett, A.J.; Rawlings, N.D.; Woessner, J.F. Handbook of Proteolytic Enzymes. London: Handbook of Proteolytic Enzymes. pp. 677–679.
External links
- Helper-component proteinase at the US National Library of Medicine Medical Subject Headings (MeSH)
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