2PYO
Drosophila nucleosome core
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (I)  | DNA (147-MER) | polymer | 147 | 45368.1 | 1 | Homo sapiens (human) | ||
| 2 | B (J)  | DNA (147-MER) | polymer | 147 | 45359.0 | 1 | Homo sapiens (human) | ||
| 3 | C, G (A, E)  | Histone H3 | polymer | 135 | 15289.9 | 2 | UniProt (P02299) Pfam (PF00125)  | Drosophila melanogaster (fruit fly) | |
| 4 | D, H (B, F)  | Histone H4 | polymer | 102 | 11277.3 | 2 | UniProt (P84040) Pfam (PF15511)  | Drosophila melanogaster (fruit fly) | |
| 5 | E, I (C, G)  | Histone H2A | polymer | 120 | 12928.1 | 2 | UniProt (P84051) Pfam (PF00125) Pfam (PF16211)  | Drosophila melanogaster (fruit fly) | |
| 6 | F, J (D, H)  | Histone H2B | polymer | 122 | 13595.9 | 2 | UniProt (P02283) Pfam (PF00125)  | Drosophila melanogaster (fruit fly) | |
| 7 | K, L, M, N, O... (I, J, E)  | MANGANESE (II) ION | non-polymer | 54.9 | 14 | Chemie (MN) | |||
| 8 | AA, BA, X, Y (E, H, A, D)  | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 9 | CA, DA, EA, FA, GA... (I, J, A, B, C...)  | water | water | 18.0 | 88 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 | 
| Total formula weight | 196909.3 | |
| Non-Polymers* | Number of molecules | 18 | 
| Total formula weight | 910.9 | |
| All* | Total formula weight | 197820.3 | 






