3X1S
Crystal structure of the nucleosome core particle
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 H3.1 | polymer | 135 | 15306.0 | 2 | UniProt (P68431) Pfam (PF00125) | Homo sapiens (human) | Histone H3/a, Histone H3/b, Histone H3/c, Histone H3/d, Histone H3/f, Histone H3/h, Histone H3/i, Histone H3/j, Histone H3/k, Histone H3/l |
| 2 | B, F (B, F) | Histone H4 | polymer | 102 | 11263.2 | 2 | UniProt (P62805) Pfam (PF15511) | Homo sapiens (human) | |
| 3 | C, G (C, G) | Histone H2A type 1-B/E | polymer | 129 | 14034.4 | 2 | UniProt (P04908) Pfam (PF00125) Pfam (PF16211) | Homo sapiens (human) | Histone H2A.2, Histone H2A/a, Histone H2A/m |
| 4 | D, H (D, H) | Histone H2B type 1-B | polymer | 125 | 13850.1 | 2 | UniProt (P33778) Pfam (PF00125) | Homo sapiens (human) | Histone H2B.1, Histone H2B.f, H2B/f |
| 5 | I, J (I, J) | DNA (146-MER) | polymer | 146 | 45053.9 | 2 | synthetic | ||
| 6 | K, L, M, N, O... (D, G, I) | MANGANESE (II) ION | non-polymer | 54.9 | 6 | Chemie (MN) | |||
| 7 | Q, R (I, J) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 8 | S, T, U, V, W (A, C, E, I, J) | water | water | 18.0 | 11 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 199015.0 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 400.5 | |
| All* | Total formula weight | 199415.5 |
