| 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 | 15275.9 | 2 | UniProt (Q92133)
Pfam (PF00125) | Xenopus laevis (African clawed frog) | |
| 2 | B, F
(B, F) | Histone H4 | polymer | 102 | 11263.2 | 2 | UniProt (P62799)
Pfam (PF15511) | Xenopus laevis (African clawed frog) | |
| 3 | C, G
(C, G) | Histone H2A | polymer | 107 | 11694.6 | 2 | UniProt (Q6AZJ8)
Pfam (PF00125)
Pfam (PF16211) | Xenopus laevis (African clawed frog) | |
| 4 | D
(D) | Histone H2B | polymer | 125 | 13848.1 | 1 | UniProt (A0A1L8FQ56)
Pfam (PF00125)
UniProt (by SIFTS) (P02281) | Xenopus laevis (African clawed frog) | |
| 5 | H
(H) | Histone H2B 1.1 | polymer | 125 | 13834.1 | 1 | UniProt (P02281)
Pfam (PF00125) | Xenopus laevis (African clawed frog) | H2B1.1 |
| 6 | I
(I) | DNA (146-MER) | polymer | 147 | 45114.7 | 1 | | synthetic construct | |
| 7 | J
(J) | DNA (146-MER) | polymer | 146 | 45305.9 | 1 | | synthetic construct | |
| 8 | K
(K) | Swd3 | polymer | 327 | 36458.9 | 1 | UniProt (Q6CLY5)
Pfam (PF00400) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | |
| 9 | L
(M) | Histone-lysine N-methyltransferase, H3 lysine-4 specific | polymer | 275 | 31448.5 | 1 | UniProt (Q6CIT4)
Pfam (PF11764)
Pfam (PF00856) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | COMPASS component SET1,SET domain-containing protein 1 |
| 10 | M
(N) | Swd1 | polymer | 439 | 49894.7 | 1 | UniProt (Q6CXF3)
Pfam (PF00400) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | |
| 11 | N
(R) | H3 N-terminus | polymer | 3 | 378.4 | 1 | | Xenopus laevis (African clawed frog) | |
| 12 | O
(X) | Spp1 | polymer | 342 | 39297.9 | 1 | UniProt (Q6CRQ4)
Pfam (PF00628) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | |
| 13 | P
(L) | Bre2 | polymer | 405 | 47287.0 | 1 | UniProt (Q6CTQ1) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | |
| 14 | Q, R
(O, P) | Sdc1 | polymer | 134 | 14722.6 | 2 | UniProt (Q6CPN6)
Pfam (PF05186) | Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) | |
| 15 | S
(M) | S-ADENOSYLMETHIONINE | non-polymer | | 398.4 | 1 | Chemie (SAM) | | |
| 16 | T
(M) | ZINC ION | non-polymer | | 65.4 | 1 | Chemie (ZN) | | |
