3OUY
How the CCA-adding Enzyme Selects Adenine Over Cytosine at 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 (A) | CCA-Adding Enzyme | polymer | 441 | 51909.8 | 1 | UniProt (O28126) Pfam (PF01909) Pfam (PF09249) Pfam (PF21133) | Archaeoglobus fulgidus | tRNA nucleotidyltransferase, tRNA adenylyl-/cytidylyl- transferase, tRNA CCA-pyrophosphorylase, tRNA-NT |
| 2 | B (B) | CCA-Adding Enzyme | polymer | 437 | 51469.1 | 1 | UniProt (O28126) Pfam (PF01909) Pfam (PF09249) Pfam (PF21133) | Archaeoglobus fulgidus | tRNA nucleotidyltransferase, tRNA adenylyl-/cytidylyl- transferase, tRNA CCA-pyrophosphorylase, tRNA-NT |
| 3 | C, D (C, D) | RNA (35-MER) | polymer | 35 | 11166.7 | 2 | |||
| 4 | E, F, H (A, B) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 5 | G (A) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
| 6 | I, J (B, C) | PYROPHOSPHATE 2- | non-polymer | 176.0 | 2 | Chemie (POP) | |||
| 7 | K, L, M, N (A, B, C, D) | water | water | 18.0 | 137 | Chemie (HOH) |
Sequence modifications
A: 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 | 125712.2 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 702.2 | |
| All* | Total formula weight | 126414.4 |
