8GUK: Human nucleosome core particle

Human nucleosome core particle (free form). Determined by electron microscopy at 2.51 Å resolution. Released 20 Sept 2023.

Method
Electron microscopy
Resolution
2.51 Å
Organisms
Homo sapiens, synthetic construct
Chains
10
Atoms
12,098
Mol. weight
200.57 kDa
Released
20 Sept 2023

Explore 8GUK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8GUK contains 41 α-helices and 20 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.

Chains A and E: 5 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix41-422
α-helix45-5612
α-helix64-7815
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13111
Chains B and F: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4010
β-strand45-4622
α-helix50-7526
β-strand80-8121
α-helix83-9210
β-strand97-9823
Chain C: 7 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix11-144
α-helix17-204
α-helix27-3610
β-strand42-4324
α-helix46-7227
β-strand77-7825
α-helix80-8910
α-helix91-966
β-strand101-10226
α-helix113-1153
Chain D: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-5425
α-helix56-8328
β-strand88-8924
α-helix91-10111
α-helix105-12218
Chain G: 8 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix11-144
α-helix17-215
α-helix27-3610
β-strand42-4329
α-helix46-7126
β-strand77-78210
α-helix80-8910
α-helix91-966
α-helix1001
β-strand101-10223
α-helix113-1153
Chain H: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-54210
α-helix56-8328
β-strand88-8929
α-helix91-10111
α-helix104-12320

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.1A, Eprotein136Homo sapiensP68431 (AlphaFold model)
Histone H4B, Fprotein102Homo sapiensP62805 (AlphaFold model)
Histone H2A type 1C, Gprotein129Homo sapiensP0C0S8 (AlphaFold model)
Histone H2B type 1-JD, Hprotein129Homo sapiensP06899 (AlphaFold model)
DNA (147-mer)IDNA147synthetic construct
DNA (147-mer)JDNA147synthetic construct
Sequence of entity 1 (A, E), FASTA
>8GUK_1 Histone H3.1 (chains A, E)
MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTE
LLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAKRVTI
MPKDIQLARRIRGERA
Sequence of entity 2 (B, F), FASTA
>8GUK_2 Histone H4 (chains B, F)
SGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKV
FLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C, G), FASTA
>8GUK_3 Histone H2A type 1 (chains C, G)
SGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTA
EILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGKVTIAQGGVLPNIQAVLLPKKT
ESHHKAKGK
Sequence of entity 4 (D, H), FASTA
>8GUK_4 Histone H2B type 1-J (chains D, H)
GSHMPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSIYVYKVLKQVHPDTGISS
KAMGIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTK
AVTKYTSAK
Sequence of entity 5 (I), FASTA
>8GUK_5 DNA (147-mer) (chains I)
CTGGAGAATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACCGCTTAA
ACGCACGTACGCGCTGTCCCCCGCGTTTTAACCGCCAAGGGGATTACTCCCTAGTCTCCA
GGCACGTGTCAGATATATACATCCTGT
Sequence of entity 6 (J), FASTA
>8GUK_6 DNA (147-mer) (chains J)
ACAGGATGTATATATCTGACACGTGCCTGGAGACTAGGGAGTAATCCCCTTGGCGGTTAA
AACGCGGGGGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGACCAATTG
AGCGGCCTCGGCACCGGGATTCTCCAG

Primary citation

Structure of the human Bre1 complex bound to the nucleosome. Onishi, S., Uchiyama, K., Sato, K. et al. Nat Commun (2024) 15:2580-2580. DOI 10.1038/s41467-024-46910-8 · PubMed

Other PDB entries of the same protein (UniProt P68431 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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