3OV7
How the CCA-Adding Enzyme Selects Adenine over Cytosine in Position 76 of tRNA
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, B) | CCA-Adding Enzyme | polymer | 441 | 51909.8 | 2 | UniProt (O28126) Pfam (PF01909) Pfam (PF09249) Pfam (PF21133) | Archaeoglobus fulgidus | tRNA nucleotidyltransferase, tRNA adenylyl-/cytidylyl- transferase, tRNA CCA-pyrophosphorylase, tRNA-NT |
| 2 | C, D (C, D) | RNA (34-MER) | polymer | 34 | 10837.4 | 2 | tRNA nucleotidyltransferase, tRNA adenylyl-/cytidylyl- transferase, tRNA CCA-pyrophosphorylase, tRNA-NT | ||
| 3 | E, H (A, B) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 2 | Chemie (ATP) | |||
| 4 | F, I (A, B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 5 | G (A) | MANGANESE (II) ION | non-polymer | 54.9 | 1 | Chemie (MN) | |||
| 6 | J (B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
| 7 | K, L, M, N (A, B, C, D) | water | water | 18.0 | 52 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 437 (UniProt: O28126)
| PDB | External Database | Details |
|---|---|---|
| Cys 438 | - | expression tag |
| Cys 439 | - | expression tag |
| Cys 440 | - | expression tag |
| Met 441 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 125494.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1323.5 | |
| All* | Total formula weight | 126817.9 |
