4JJN
Crystal structure of heterochromatin protein Sir3 in complex with a silenced yeast nucleosome
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, E (A, E) | Histone H3 | polymer | 135 | 15259.8 | 2 | UniProt (P61830) Pfam (PF00125) | Saccharomyces cerevisiae (Baker's yeast) | |
| 2 | B, F (B, F) | Histone H4 | polymer | 102 | 11264.2 | 2 | UniProt (P02309) Pfam (PF15511) | Saccharomyces cerevisiae (Baker's yeast) | |
| 3 | C, G (C, G) | Histone H2A.2 | polymer | 131 | 13882.0 | 2 | UniProt (P04912) Pfam (PF00125) Pfam (PF16211) | Saccharomyces cerevisiae (Baker's yeast) | |
| 4 | D, H (D, H) | Histone H2B.2 | polymer | 130 | 14133.1 | 2 | UniProt (P02294) Pfam (PF00125) | Saccharomyces cerevisiae (Baker's yeast) | |
| 5 | I, J (K, L) | Regulatory protein SIR3 | polymer | 382 | 43655.6 | 2 | UniProt (P06701) Pfam (PF01426) | Saccharomyces cerevisiae (Baker's yeast) | Silent information regulator 3 |
| 6 | K (I) | DNA (146-MER) | polymer | 147 | 45138.8 | 1 | |||
| 7 | L (J) | DNA (146-MER) | polymer | 147 | 45610.0 | 1 |
Sequence modifications
K, L: 2 - 382 (UniProt: P06701)
| PDB | External Database | Details |
|---|---|---|
| Ser 1 | - | expression tag |
| Asn 205 | Asp 205 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 12 |
| Total formula weight | 287138.2 | |
| All* | Total formula weight | 287138.2 |
