5OY7

Structure of the 4_601_157 tetranucleosome (P1 form)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	L, P, D, H, T...	Histone H2B 1.1	polymer	126	13979.3	8	UniProt (P02281) Pfam (PF00125) In PDB	Xenopus laevis (African clawed frog)	H2B1.1
2	M, Q, I, A, E...	Histone H3	polymer	135	15303.9	8	UniProt (Q92133) Pfam (PF00125) UniProt (by SIFTS) (P84233) In PDB	Xenopus laevis (African clawed frog)
3	N, R, J, B, F...	Histone H4	polymer	102	11263.2	8	UniProt (P62799) Pfam (PF15511) In PDB	Xenopus laevis (African clawed frog)
4	O, C, G, K, S...	Histone H2A	polymer	130	14109.4	8	UniProt (Q6AZJ8) Pfam (PF00125) Pfam (PF16211) UniProt (by SIFTS) (P06897) In PDB	Xenopus laevis (African clawed frog)
5	g	DNA (619-MER)	polymer	634	194770.5	1		synthetic construct
6	h	DNA (619-MER)	polymer	628	195070.6	1		synthetic construct
7	O, C, G, K, S...	CHLORIDE ION	non-polymer		35.5	8	Chemie (CL)

Sequence modifications

L, P, D, H, T, X, b, f: -3 - 122 (UniProt: P02281)

PDB	External Database	Details
Thr 29	Ser 33	conflict

M, Q, I, A, E, U, Y, c: 1 - 135 (UniProt: Q92133)

PDB	External Database	Details
Ala 102	Gly 103	conflict
Ala 111	Gly 112	conflict

Contents of the asymmetric unit

Polymers	Number of chains	34
	Total formula weight	827088.2
Non-Polymers*	Number of molecules	8
	Total formula weight	283.6
All*	Total formula weight	827371.9

*Water molecules are not included.