1S32

Molecular Recognition of the Nucleosomal 'Supergroove'

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)	palindromic alpha-satellite 146 bp DNA fragment	polymer	146	45054.8	2		Homo sapiens
2	C, G (A, E)	Histone H3	polymer	135	15303.9	2	UniProt (A0A310TTQ1) Pfam (PF00125) UniProt (by SIFTS) (P84233)	Xenopus laevis (African clawed frog)
3	D, H (B, F)	Histone H4	polymer	102	11263.2	2	UniProt (A0A8J1LTD2) Pfam (PF15511) UniProt (by SIFTS) (P62799)	Xenopus laevis (African clawed frog)
4	E, I (C, G)	Histone H2A	polymer	119	12941.1	2	UniProt (Q6AZJ8) Pfam (PF00125) Pfam (PF16211) UniProt (by SIFTS) (P06897)	Xenopus laevis (African clawed frog)
5	F, J (D, H)	Histone H2B	polymer	122	13524.8	2	UniProt (A0A8J0U496) Pfam (PF00125) UniProt (by SIFTS) (P02281)	Xenopus laevis (African clawed frog)
6	K, L, M, N, NA... (I, J, E)	MANGANESE (II) ION	non-polymer		54.9	14	Chemie (MN)
7	CA, EA, R, T (I)	4-AMINO-(1-METHYLIMIDAZOLE)-2-CARBOXYLIC ACID	non-polymer		141.1	4	Chemie (IMT)
8	DA, FA, HA, IA, JA... (I)	4-AMINO-(1-METHYLPYRROLE)-2-CARBOXYLIC ACID	non-polymer		140.1	12	Chemie (PYB)
9	GA, V (I)	GAMMA-AMINO-BUTANOIC ACID	non-polymer		103.1	2	Chemie (ABU)
10	AA, LA (I)	BETA-ALANINE	non-polymer		89.1	2	Chemie (BAL)
11	BA, MA (I)	3-AMINO-(DIMETHYLPROPYLAMINE)	non-polymer		102.2	2	Chemie (DIB)
12	TA (J)	2-(2-CARBAMOYLMETHOXY-ETHOXY)-ACETAMIDE	non-polymer		176.2	1	Chemie (OGG)
13	UA, VA, XA, YA (A, D, E, G)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
14	AB, BB, CB, DB, EB... (J, A, B, C, D...)	water	water		18.0	888	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	196175.7
Non-Polymers*	Number of molecules	41
	Total formula weight	3922.1
All*	Total formula weight	200097.8

*Water molecules are not included.