Detail Information for IndEnz0002005988
IED ID IndEnz0002005988
Enzyme Type ID protease005988
Protein Name Viral cathepsin
V-cath
EC 3.4.22.50
Cysteine proteinase
CP
Gene Name VCATH ORF127
Organism Autographa californica nuclear polyhedrosis virus (AcMNPV)
Taxonomic Lineage Viruses Naldaviricetes Lefavirales Baculoviridae Alphabaculovirus Autographa californica multiple nucleopolyhedrovirus Autographa californica nuclear polyhedrosis virus (AcMNPV)
Enzyme Sequence MNKILFYLFVYGVVNSAAYDLLKAPNYFEEFVHRFNKDYGSEVEKLRRFKIFQHNLNEIINKNQNDSAKYEINKFSDLSKDETIAKYTGLSLPIQTQNFCKVIVLDQPPGKGPLEFDWRRLNKVTSVKNQGMCGACWAFATLASLESQFAIKHNQLINLSEQQMIDCDFVDAGCNGGLLHTAFEAIIKMGGVQLESDYPYEADNNNCRMNSNKFLVQVKDCYRYITVYEEKLKDLLRLVGPIPMAIDAADIVNYKQGIIKYCFNSGLNHAVLLVGYGVENNIPYWTFKNTWGTDWGEDGFFRVQQNINACGMRNELASTAVIY
Enzyme Length 323
Uniprot Accession Number P25783
Absorption
Active Site ACT_SITE 136; /evidence=ECO:0000255|PROSITE-ProRule:PRU10088; ACT_SITE 269; /evidence=ECO:0000255|PROSITE-ProRule:PRU10089; ACT_SITE 289; /evidence=ECO:0000255|PROSITE-ProRule:PRU10090
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=Endopeptidase of broad specificity, hydrolyzing substrates of both cathepsin L and cathepsin B.; EC=3.4.22.50;
DNA Binding
EC Number 3.4.22.50
Enzyme Function FUNCTION: Cysteine protease that plays an essential role in host liquefaction to facilitate horizontal transmission of the virus. Accumulates within infected cells as an inactive proenzyme (proV-CATH), which is activated by proteolytic cleavage upon cell death. {ECO:0000269|PubMed:12069520}.
Temperature Dependency
PH Dependency BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 5.0-5.5.;
Pathway
nucleotide Binding
Features Active site (3); Chain (1); Disulfide bond (3); Erroneous initiation (1); Glycosylation (1); Propeptide (1); Signal peptide (1)
Keywords Disulfide bond;Glycoprotein;Host endoplasmic reticulum;Hydrolase;Protease;Reference proteome;Signal;Thiol protease;Zymogen
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Host endoplasmic reticulum {ECO:0000269|PubMed:21289117}. Note=Retained in the host reticulum by its interaction with chitinase/CHIA. {ECO:0000269|PubMed:21289117}.
Modified Residue
Post Translational Modification PTM: Synthesized as an inactive proenzyme and activated by proteolytic removal of the inhibitory propeptide. {ECO:0000269|PubMed:12069520}.
Signal Peptide SIGNAL 1..16; /evidence=ECO:0000255
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 36,938
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda 3.4.22.50;