3MGR

Binding of Rubidium ions to the Nucleosome Core Particle

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E	Histone H3.2	polymer	135	15303.9	2	UniProt (P84233) Pfam (PF00125) In PDB	Xenopus laevis (African clawed frog)
2	B, F	Histone H4	polymer	102	11263.2	2	UniProt (P62799) Pfam (PF15511) In PDB	Xenopus laevis (African clawed frog)
3	C, G	Histone H2A	polymer	119	12941.1	2	UniProt (Q6AZJ8) Pfam (PF00125) Pfam (PF16211) In PDB	Xenopus laevis (African clawed frog)
4	D, H	Histone H2B 1.1	polymer	125	13848.1	2	UniProt (P02281) Pfam (PF00125) In PDB	Xenopus laevis (African clawed frog)	H2B1.1
5	I	DNA (147-MER)	polymer	147	45368.1	1
6	J	DNA (147-MER)	polymer	147	45359.0	1
7	A, D, E, G	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
8	D, H, I, J	RUBIDIUM ION	non-polymer		85.5	5	Chemie (RB)
9	J, E, I	MANGANESE (II) ION	non-polymer		54.9	14	Chemie (MN)

Sequence modifications

A, E: 1 - 135 (UniProt: P84233)

PDB	External Database	Details
Ala 102	Gly 103	SEE REMARK 999

D, H: -2 - 122 (UniProt: P02281)

PDB	External Database	Details
Thr 29	Ser 33	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	197439.8
Non-Polymers*	Number of molecules	23
	Total formula weight	1338.3
All*	Total formula weight	198778.1

*Water molecules are not included.