6PWE: Nucleosome core particle

Cryo-EM structure of nucleosome core particle. Determined by electron microscopy at 3.95 Å resolution. Released 21 Aug 2019.

Method
Electron microscopy
Resolution
3.95 Å
Organisms
Drosophila melanogaster, synthetic construct
Chains
10
Atoms
11,923
Mol. weight
198.64 kDa
Released
21 Aug 2019

Explore 6PWE in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6PWE contains 38 α-helices and 14 β-strands across 8 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 1 β-strand

ElementResiduesLengthSheet
α-helix47-493
α-helix65-7410
α-helix89-10416
α-helix109-1124
β-strand118-11921
α-helix121-1277
Chain B: 5 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix25-284
α-helix31-388
β-strand45-4621
α-helix50-6213
α-helix67-759
α-helix83-9210
Chains C and G: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix17-204
α-helix29-324
β-strand41-4222
α-helix46-7126
β-strand76-7723
α-helix79-879
α-helix90-934
Chains D and H: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix35-428
β-strand50-5123
α-helix55-7925
β-strand85-8622
α-helix88-936
α-helix104-11613
Chain E: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix47-493
α-helix65-7410
β-strand8414
α-helix89-10416
α-helix109-1124
β-strand118-11925
α-helix121-1277
Chain F: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-388
β-strand45-4625
α-helix50-6213
α-helix67-759
β-strand8114
α-helix83-9210

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3A, Eprotein136Drosophila melanogasterP02299 (AlphaFold model)
Histone H4B, Fprotein103Drosophila melanogasterP84040 (AlphaFold model)
Histone H2AC, Gprotein124Drosophila melanogasterP84051 (AlphaFold model)
Histone H2BD, Hprotein123Drosophila melanogasterP02283 (AlphaFold model)
DNA (147-mer)IDNA147synthetic construct
DNA (147-mer)JDNA147synthetic construct
Sequence of entity 1 (A, E), FASTA
>6PWE_1 Histone H3 (chains A, E)
MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTE
LLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEASEAYLVGLFEDTNLCAIHAKRVTI
MPKDIQLARRIRGERA
Sequence of entity 2 (B, F), FASTA
>6PWE_2 Histone H4 (chains B, F)
MTGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK
VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C, G), FASTA
>6PWE_3 Histone H2A (chains C, G)
MSGRGKGGKVKGKAKSRSNRAGLQFPVGRIHRLLRKGNYAERVGAGAPVYLAAVMEYLAA
EVLELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLSGVTIAQGGVLPNIQAVLLPKKT
EKKA
Sequence of entity 4 (D, H), FASTA
>6PWE_4 Histone H2B (chains D, H)
MPPKTSGKAAKKAGKAQKNITKTDKKKKRKRKESYAIYIYKVLKQVHPDTGISSKAMSIM
NSFVNDIFERIAAEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYT
SSK
Sequence of entity 5 (I), FASTA
>6PWE_5 DNA (147-MER) (chains I)
ATCGGATGTATATATCTGACACGTGCCTGGAGACTAGGGAGTAATCCCCTTGGCGGTTAA
AACGCGGGGGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGACCAATTG
AGCGGCCTCGGCACCGGGATTCTCGAT
Sequence of entity 6 (J), FASTA
>6PWE_6 DNA (147-MER) (chains J)
ATCGAGAATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACCGCTTAA
ACGCACGTACGCGCTGTCCCCCGCGTTTTAACCGCCAAGGGGATTACTCCCTAGTCTCCA
GGCACGTGTCAGATATATACATCCGAT

Primary citation

Structure of the primed state of the ATPase domain of chromatin remodeling factor ISWI bound to the nucleosome. Chittori, S., Hong, J., Bai, Y. et al. Nucleic Acids Res (2019) 47:9400-9409. DOI 10.1093/nar/gkz670 · PubMed

Other PDB entries of the same protein (UniProt P02299 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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