Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004252 | molecular_function | serine-type endopeptidase activity |
| A | 0006465 | biological_process | signal peptide processing |
| A | 0006508 | biological_process | proteolysis |
| A | 0008236 | molecular_function | serine-type peptidase activity |
| A | 0016020 | cellular_component | membrane |
| B | 0004252 | molecular_function | serine-type endopeptidase activity |
| B | 0006465 | biological_process | signal peptide processing |
| B | 0006508 | biological_process | proteolysis |
| B | 0008236 | molecular_function | serine-type peptidase activity |
| B | 0016020 | cellular_component | membrane |
Functional Information from PROSITE/UniProt
| site_id | PS00501 |
| Number of Residues | 8 |
| Details | SPASE_I_1 Signal peptidases I serine active site. SGSMMPTL |
| Chain | Residue | Details |
| A | SER89-LEU96 | |
| site_id | PS00760 |
| Number of Residues | 13 |
| Details | SPASE_I_2 Signal peptidases I lysine active site. KRAVGlPGDkVtY |
| Chain | Residue | Details |
| A | LYS146-TYR158 | |
| site_id | PS00761 |
| Number of Residues | 14 |
| Details | SPASE_I_3 Signal peptidases I signature 3. YFMMGDNRdnSadS |
| Chain | Residue | Details |
| A | TYR269-SER282 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 492 |
| Details | TOPO_DOM: Periplasmic => ECO:0000305 |
| Chain | Residue | Details |
| A | ARG78-HIS324 | |
| B | ARG78-HIS324 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | ACT_SITE: |
| Chain | Residue | Details |
| A | SER91 | |
| A | LYS146 | |
| B | SER91 | |
| B | LYS146 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 4 |
| Details | M-CSA 635 |
| Chain | Residue | Details |
| A | SER89 | electrostatic stabiliser |
| A | SER91 | nucleofuge, nucleophile, proton acceptor, proton donor |
| A | LYS146 | proton acceptor, proton donor |
| A | SER279 | electrostatic stabiliser |
| site_id | MCSA2 |
| Number of Residues | 4 |
| Details | M-CSA 635 |
| Chain | Residue | Details |
| B | SER89 | electrostatic stabiliser |
| B | SER91 | nucleofuge, nucleophile, proton acceptor, proton donor |
| B | LYS146 | proton acceptor, proton donor |
| B | SER279 | electrostatic stabiliser |
