Detail Information for IndEnz0002004938
IED ID IndEnz0002004938
Enzyme Type ID protease004938
Protein Name Signal peptidase I
SPase I
EC 3.4.21.89
Leader peptidase I
Gene Name lepB b2568 JW2552
Organism Escherichia coli (strain K12)
Taxonomic Lineage cellular organisms Bacteria Proteobacteria Gammaproteobacteria Enterobacterales Enterobacteriaceae Escherichia Escherichia coli Escherichia coli (strain K12)
Enzyme Sequence MANMFALILVIATLVTGILWCVDKFFFAPKRRERQAAAQAAAGDSLDKATLKKVAPKPGWLETGASVFPVLAIVLIVRSFIYEPFQIPSGSMMPTLLIGDFILVEKFAYGIKDPIYQKTLIETGHPKRGDIVVFKYPEDPKLDYIKRAVGLPGDKVTYDPVSKELTIQPGCSSGQACENALPVTYSNVEPSDFVQTFSRRNGGEATSGFFEVPKNETKENGIRLSERKETLGDVTHRILTVPIAQDQVGMYYQQPGQQLATWIVPPGQYFMMGDNRDNSADSRYWGFVPEANLVGRATAIWMSFDKQEGEWPTGLRLSRIGGIH
Enzyme Length 324
Uniprot Accession Number P00803
Absorption
Active Site ACT_SITE 91; ACT_SITE 146
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=Cleavage of hydrophobic, N-terminal signal or leader sequences from secreted and periplasmic proteins.; EC=3.4.21.89;
DNA Binding
EC Number 3.4.21.89
Enzyme Function
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (2); Beta strand (19); Chain (1); Disulfide bond (1); Helix (6); Modified residue (1); Mutagenesis (20); Sequence conflict (6); Topological domain (3); Transmembrane (2); Turn (2)
Keywords 3D-structure;Cell inner membrane;Cell membrane;Disulfide bond;Hydrolase;Membrane;Protease;Reference proteome;Transmembrane;Transmembrane helix
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000269|PubMed:21778229}; Multi-pass membrane protein {ECO:0000269|PubMed:21778229}.
Modified Residue MOD_RES 1; /note=Blocked amino end (Met); /evidence=ECO:0000269|PubMed:6311837
Post Translational Modification
Signal Peptide
Structure 3D X-ray crystallography (6)
Cross Reference PDB 1B12; 1KN9; 1T7D; 3IIQ; 3S04; 6B88;
Mapped Pubmed ID 11741964; 15136583; 19655811; 21999324; 30209367;
Motif
Gene Encoded By
Mass 35,960
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda 3.4.21.89;