1KN9
CRYSTAL STRUCTURE OF A BACTERIAL SIGNAL PEPTIDASE APO-ENZYME, IMPLICATIONS FOR SIGNAL PEPTIDE BINDING AND THE SER-LYS DYAD MECHANISM.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Signal peptidase I | polymer | 249 | 27966.7 | 4 | UniProt (P00803) Pfam (PF10502) | Escherichia coli K12 | SPase I, Leader peptidase I |
| 2 | E, F, G, H (A, B, C, D) | water | water | 18.0 | 256 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 76 - 323 (UniProt: P00803)
| PDB | External Database | Details |
|---|---|---|
| Met 75 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 111866.6 | |
| All* | Total formula weight | 111866.6 |
