1ZBU
crystal structure of full-length 3'-exonuclease
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) | 3'-5' exonuclease ERI1 | polymer | 349 | 40560.7 | 4 | UniProt (Q8IV48) Pfam (PF02037) Pfam (PF00929) | Homo sapiens (human) | Eri-1 homolog; Histone mRNA 3' end-specific exoribonuclease; Protein 3'hExo; HEXO |
| 2 | E, F, H, I, K... (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 8 | Chemie (MG) | |||
| 3 | G, J, M, P (A, B, C, D) | ADENOSINE MONOPHOSPHATE | non-polymer | 347.2 | 4 | Chemie (AMP) | |||
| 4 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 37 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 2 - 349 (UniProt: Q8IV48)
| PDB | External Database | Details |
|---|---|---|
| Mse 1 | - | modified residue |
| Mse 79 | Met 78 | modified residue |
| Mse 116 | Met 115 | modified residue |
| Leu 213 | Trp 212 | conflict |
| Mse 214 | Met 213 | modified residue |
| Mse 235 | Met 234 | modified residue |
| Mse 280 | Met 279 | modified residue |
| Mse 286 | Met 285 | modified residue |
| Mse 309 | Met 308 | modified residue |
| Mse 322 | Met 321 | modified residue |
| Mse 328 | Met 327 | modified residue |
| Mse 344 | Met 343 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 162242.9 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 1583.3 | |
| All* | Total formula weight | 163826.2 |
