3H7D
The crystal structure of the cathepsin K Variant M5 in complex with chondroitin-4-sulfate
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, E) | Cathepsin K | polymer | 215 | 23459.3 | 2 | UniProt (P43235) Pfam (PF00112) | Homo sapiens (human) | Cathepsin O, Cathepsin X, Cathepsin O2 |
| 2 | C (B) | 2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-3)-2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-3)-2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose-(1-4)-beta-D-glucopyranuronic acid | branched | 1396.2 | 1 | In PDB GlyTouCan (G16831RV) | |||
| 3 | D, F (A, E) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E, G (A, E) | N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE | non-polymer | 360.4 | 2 | Chemie (E64) | |||
| 5 | H, I (A, E) | water | water | 18.0 | 258 | Chemie (HOH) |
Sequence modifications
A, E: 1 - 215 (UniProt: P43235)
| PDB | External Database | Details |
|---|---|---|
| Glu 9 | Lys 123 | engineered mutation |
| Glu 171 | Ile 285 | engineered mutation |
| Ser 172 | Gln 286 | engineered mutation |
| Met 190 | Asn 304 | engineered mutation |
| Gly 191 | Lys 305 | engineered mutation |
| Lys 195 | Leu 309 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 46918.6 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 1396.2 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 801.0 | |
| All* | Total formula weight | 49115.8 |
