3UTB

Crystal Structure of Nucleosome Core Particle Assembled with the 146b Alpha-Satellite Sequence (NCP146b)

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	129	13978.2	2	UniProt (Q6AZJ8) Pfam (PF00125) Pfam (PF16211) UniProt (by SIFTS) (P06897) 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, J	146-mer DNA	polymer	146	45054.8	2
6	J, A, D, E, I	MANGANESE (II) ION	non-polymer		54.9	21	Chemie (MN)
7	C, D, G	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
8		water	water		18.0	399	Chemie (HOH)

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	198896.7
Non-Polymers*	Number of molecules	24
	Total formula weight	1441.9
All*	Total formula weight	200338.6

*Water molecules are not included.