1Z7X
X-ray structure of human ribonuclease inhibitor complexed with ribonuclease I
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (X, Z) | Ribonuclease I | polymer | 129 | 14728.6 | 2 | UniProt (P07998) Pfam (PF00074) | Homo sapiens (human) | RNase 1, RNase A, RNase UpI-1, RIB-1, HP-RNase |
| 2 | B, D (W, Y) | Ribonuclease inhibitor | polymer | 461 | 50018.4 | 2 | UniProt (P13489) Pfam (PF18779) Pfam (PF13516) | Homo sapiens (human) | Ribonuclease/angiogenin inhibitor, RAI, RNase inhibitor, RI |
| 3 | E (X) | CITRIC ACID | non-polymer | 192.1 | 1 | Chemie (CIT) | |||
| 4 | F, G, H, I (X, W, Z, Y) | water | water | 18.0 | 854 | Chemie (HOH) |
Sequence modifications
X, Z: 1 - 128 (UniProt: P07998)
W, Y: 1 - 460 (UniProt: P13489)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | initiating methionine |
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 129493.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 192.1 | |
| All* | Total formula weight | 129686.0 |






