Physarolisin
Physarolisin | |||||||||
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Identifiers | |||||||||
EC number | 3.4.21.103 | ||||||||
CAS number | 94949-28-7 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
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Physarolisin (EC 3.4.21.103, Dictyostelium discoideum aspartic proteinase, Dictyostelium discoideum aspartic proteinase E, Physarum flavicomum aspartic proteinase, Physarum polycephalum acid proteinase, Physarum aspartic proteinase, physaropepsin) is an enzyme.[1][2][3][4][5] This enzyme catalyses the following chemical reaction
- Milk clotting activity. Preferential cleavage of Gly8-Ser in B chain of insulin most rapidly, followed by Leu11!Val, Cys(SO3H)19-Gly and Phe24-Phe.
This enzyme belongs in peptidase family S53.
References
- ↑ Henney HR, Tavana G (1982). "Purification and some properties of an intracellular acid (carboxyl) proteinase from differentiating haploid cells of Physarum flavicomum". Exp. Mycol. 6: 161–170. doi:10.1016/0147-5975(82)90090-1.
- ↑ Murakami-Murofushi K, Hiratsuka A, Ohta J (1984). "A novel acid protease from haploid amoebae of Physarum polycephalum, and its changes during mating and subsequent differentiation into diploid plasmodia". Cell Struct. Funct. 9: 311–315. doi:10.1247/csf.9.311.
- ↑ North MJ, Whyte A (1984). "Purification and characterization of two acid proteinases from Dictyostelium discoideum". J. Gen. Microbiol. 130: 123–134. doi:10.1099/00221287-130-1-123.
- ↑ Wlodawer A, Li M, Gustchina A, Oyama H, Dunn BM, Oda K (2003). "Structural and enzymatic properties of the sedolisin family of serine-carboxyl peptidases" (PDF). Acta Biochimica Polonica. 50 (1): 81–102. PMID 12673349.
- ↑ Nishii W, Ueki T, Miyashita R, Kojima M, Kim YT, Sasaki N, Murakami-Murofushi K, Takahashi K (February 2003). "Structural and enzymatic characterization of physarolisin (formerly physaropepsin) proves that it is a unique serine-carboxyl proteinase". Biochemical and Biophysical Research Communications. 301 (4): 1023–9. doi:10.1016/s0006-291x(03)00083-4. PMID 12589815.
External links
- Physarolisin at the US National Library of Medicine Medical Subject Headings (MeSH)
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