| IED ID | IndEnz0002007309 |
| Enzyme Type ID | protease007309 |
| Protein Name |
Signal peptidase IB SPase IB EC 3.4.21.89 Leader peptidase IB |
| Gene Name | spsB SACOL0969 |
| Organism | Staphylococcus aureus (strain COL) |
| Taxonomic Lineage | cellular organisms Bacteria Terrabacteria group Firmicutes Bacilli Bacillales Staphylococcaceae Staphylococcus Staphylococcus aureus Staphylococcus aureus (strain COL) |
| Enzyme Sequence | MKKEILEWIISIAVAFVILFIVGKFIVTPYTIKGESMDPTLKDGERVAVNIVGYKTGGLEKGNVVVFHANKNDDYVKRVIGVPGDKVEYKNDTLYVNGKKQDEPYLNYNLKHKQGDYITGTFQVKDLPNANPKSNVIPKGKYLVLGDNREVSKDSRAFGLIDEDQIVGKVSFRFWPFSEFKHNFNPENTKN |
| Enzyme Length | 191 |
| Uniprot Accession Number | Q5HHB9 |
| Absorption | |
| Active Site | ACT_SITE 36; /evidence=ECO:0000250; ACT_SITE 77; /evidence=ECO:0000250 |
| 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 | FUNCTION: Essential for cell viability. {ECO:0000250}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Beta strand (11); Chain (1); Erroneous initiation (1); Helix (5); Topological domain (2); Transmembrane (1); Turn (2) |
| Keywords | 3D-structure;Cell membrane;Hydrolase;Membrane;Protease;Transmembrane;Transmembrane helix |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Single-pass type II membrane protein {ECO:0000305}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | X-ray crystallography (4) |
| Cross Reference PDB | 4WVG; 4WVH; 4WVI; 4WVJ; |
| Mapped Pubmed ID | 26870377; |
| Motif | |
| Gene Encoded By | |
| Mass | 21,678 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |