1EQZ
X-RAY STRUCTURE OF THE NUCLEOSOME CORE PARTICLE AT 2.5 A RESOLUTION
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (I, J) | 146 NUCLEOTIDES LONG DNA | polymer | 146 | 45054.8 | 2 | |||
| 2 | C, G (A, E) | PROTEIN (HISTONE H2A) | polymer | 129 | 13969.4 | 2 | UniProt (P02263) Pfam (PF00125) Pfam (PF16211) | Gallus gallus (chicken) | |
| 3 | D, H (B, F) | PROTEIN (HISTONE H2B) | polymer | 126 | 13953.3 | 2 | UniProt (P02279) Pfam (PF00125) UniProt (by SIFTS) (P0C1H5) | Gallus gallus (chicken) | |
| 4 | E, I (C, G) | PROTEIN (HISTONE H3) | polymer | 136 | 15421.1 | 2 | UniProt (P84229) Pfam (PF00125) | Gallus gallus (chicken) | |
| 5 | F, J (D, H) | PROTEIN (HISTONE H4) | polymer | 103 | 11394.4 | 2 | UniProt (P62801) Pfam (PF15511) | Gallus gallus (chicken) | |
| 6 | K, U, V, W, X... (I, J) | POTASSIUM ION | non-polymer | 39.1 | 7 | Chemie (K) | |||
| 7 | AA, BA, CA, DA, EA... (J, I) | MANGANESE (II) ION | non-polymer | 54.9 | 15 | Chemie (MN) | |||
| 8 | GA, HA (A, E) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 9 | IA (G) | CACODYLATE ION | non-polymer | 137.0 | 1 | Chemie (CAC) | |||
| 10 | JA, KA, LA, MA, NA... (I, J, A, B, C...) | water | water | 18.0 | 349 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 199586.0 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 1305.7 | |
| All* | Total formula weight | 200891.6 |
