5B31: Heterotypic H2AZ/H2A nucleosome with H3.1

The crystal structure of the heterotypic H2AZ/H2A nucleosome with H3.1. Determined by X-ray diffraction at 2.2 Å resolution. Released 3 Aug 2016.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Homo sapiens
Chains
10
Atoms
12,219
Mol. weight
202.23 kDa
Ligands
MN
Released
3 Aug 2016

Explore 5B31 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5B31 contains 38 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.

Chain A: 5 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix41-422
α-helix45-5612
α-helix64-7613
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13010
Chain B: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix26-283
α-helix31-4010
β-strand45-4622
α-helix50-7526
β-strand80-8121
α-helix83-9210
β-strand97-9823
Chain C: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
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 E: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix41-422
α-helix45-5612
α-helix64-7815
β-strand83-8427
α-helix86-11328
β-strand118-11928
α-helix121-13010
Chain F: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4010
β-strand45-4628
α-helix50-7526
β-strand80-8127
α-helix83-9210
β-strand97-9826
Chain G: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix19-235
α-helix29-3911
β-strand45-4629
α-helix50-7425
β-strand80-81210
α-helix83-919
α-helix94-996
β-strand103-10423
α-helix115-1173
Chain H: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-54210
α-helix56-8328
β-strand88-8929
α-helix91-10111
α-helix105-12319

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.1A, Eprotein139Homo sapiensP68431 (AlphaFold model)
Histone H4B, Fprotein106Homo sapiensP62805 (AlphaFold model)
Histone H2A type 1-B/ECprotein133Homo sapiensP04908 (AlphaFold model)
Histone H2B type 1-JD, Hprotein129Homo sapiensP06899 (AlphaFold model)
Histone H2A.ZGprotein131Homo sapiensP0C0S5
DNA (146-mer)I, JDNA146Homo sapiens
Sequence of entity 1 (A, E), FASTA
>5B31_1 Histone H3.1 (chains A, E)
GSHMARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQK
STELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAKR
VTIMPKDIQLARRIRGERA
Sequence of entity 2 (B, F), FASTA
>5B31_2 Histone H4 (chains B, F)
GSHMSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRG
VLKVFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C), FASTA
>5B31_3 Histone H2A type 1-B/E (chains C)
GSHMSGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLE
YLTAEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLL
PKKTESHHKAKGK
Sequence of entity 4 (D, H), FASTA
>5B31_4 Histone H2B type 1-J (chains D, H)
GSHMPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSIYVYKVLKQVHPDTGISS
KAMGIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTK
AVTKYTSAK
Sequence of entity 5 (G), FASTA
>5B31_5 Histone H2A.Z (chains G)
GSHMAGGKAGKDSGKAKTKAVSRSQRAGLQFPVGRIHRHLKSRTTSHGRVGATAAVYSAA
ILEYLTAEVLELAGNASKDLKVKRITPRHLQLAIRGDEELDSLIKATIAGGGVIPHIHKS
LIGKKGQQKTV
Sequence of entity 6 (I, J), FASTA
>5B31_6 DNA (146-MER) (chains I, J)
ATCAATATCCACCTGCAGATTCTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGC
ATGTTCAGCTGAATTCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTT
GGTAGAATCTGCAGGTGGATATTGAT

Ligands and cofactors

IDNameFormulaCopies
MNManganese (II) ionMn8

Water and common crystallization additives (CL) are not listed.

Primary citation

Crystal structures of heterotypic nucleosomes containing histones H2A.Z and H2A. Horikoshi, N., Arimura, Y., Taguchi, H. et al. Open Biol (2016) 6. DOI 10.1098/rsob.160127 · PubMed

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

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