6LA8: Histone H3.1

349 bp di-nucleosome harboring cohesive DNA termini assembled with linker histone H1.0. Determined by X-ray diffraction at 3.4 Å resolution. Released 7 Oct 2020.

Method
X-ray diffraction
Resolution
3.4 Å
Organisms
Homo sapiens, other sequences
Chains
19
Atoms
27,058
Mol. weight
457.42 kDa
Ligands
CA
Released
7 Oct 2020

Explore 6LA8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6LA8 contains 79 α-helices and 43 β-strands across 17 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, E and O: 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-helix121-13111
Chain B: 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-strand96-9833
Chain C: 7 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-359
β-strand42-4324
α-helix46-7126
β-strand77-7825
α-helix80-8910
α-helix91-966
β-strand100-10236
α-helix113-1153
α-helix117-1182
Chains D, H, N and R: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-5425
α-helix56-8328
β-strand88-8924
α-helix91-10111
α-helix104-12320
Chains F and P: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix26-283
α-helix31-4010
β-strand45-4628
α-helix50-7526
β-strand80-8127
α-helix83-9210
β-strand96-9836
Chains G and M: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-359
β-strand42-4329
α-helix46-7126
β-strand77-78210
α-helix80-8910
α-helix91-966
β-strand100-10233
α-helix113-1153
Chain K: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix45-5612
α-helix64-7613
β-strand83-84211
α-helix86-11328
β-strand118-119212
α-helix121-13111
Chain L: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4010
β-strand45-46212
α-helix50-7526
β-strand80-81211
α-helix83-9210
β-strand97-98213

2 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.1A, E, K, Oprotein136Homo sapiensP68431 (AlphaFold model)
Histone H4B, F, L, Pprotein103Homo sapiensP62805 (AlphaFold model)
Histone H2A type 1-B/EC, G, M, Qprotein130Homo sapiensP04908 (AlphaFold model)
Histone H2B type 1-JD, H, N, Rprotein126Homo sapiensP06899 (AlphaFold model)
DNA (349-mer)IDNA349other sequences
DNA (349-mer)JDNA349other sequences
Histone H1.0Sprotein194Homo sapiensP07305
Sequence of entity 1 (A, E, K, O), FASTA
>6LA8_1 Histone H3.1 (chains A, E, K, O)
MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTE
LLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAKRVTI
MPKDIQLARRIRGERA
Sequence of entity 2 (B, F, L, P), FASTA
>6LA8_2 Histone H4 (chains B, F, L, P)
MSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLK
VFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C, G, M, Q), FASTA
>6LA8_3 Histone H2A type 1-B/E (chains C, G, M, Q)
MSGRGKQGGKARAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLT
AEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPKK
TESHHKAKGK
Sequence of entity 4 (D, H, N, R), FASTA
>6LA8_4 Histone H2B type 1-J (chains D, H, N, R)
MPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSIYVYKVLKQVHPDTGISSKAM
GIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVT
KYTSAK
Sequence of entity 5 (I), FASTA
>6LA8_5 DNA (349-MER) (chains I)
CGCTGGAAAAAAAAAACGCATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCT
AGCACCGCTTAAACGCACGTACGCGCTGTCTACCGCGTTTTAACCGCCACTAGAAGCGCT
TACTAGTCTCCAGGCACGTGTGAGACCGGCACATGAAAAAAAAAAGCATGCTCGAGTATG
AAAAAAAAAACGCATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACC
GCTTAAACGCACGTACGCGCTGTCTACCGCGTTTTAACCGCCACTAGAAGCGCTTACTAG
TCTCCAGGCACGTGTGAGACCGGCACATGAAAAAAAAAACCAGCGGTAC
Sequence of entity 6 (J), FASTA
>6LA8_6 DNA (349-MER) (chains J)
CGCTGGTTTTTTTTTTCATGTGCCGGTCTCACACGTGCCTGGAGACTAGTAAGCGCTTCT
AGTGGCGGTTAAAACGCGGTAGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTC
TACGACCAATTGAGCGGCCTCGGCACCGGGATGCGTTTTTTTTTTCATACTCGAGCATGC
TTTTTTTTTTCATGTGCCGGTCTCACACGTGCCTGGAGACTAGTAAGCGCTTCTAGTGGC
GGTTAAAACGCGGTAGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGAC
CAATTGAGCGGCCTCGGCACCGGGATGCGTTTTTTTTTTCCAGCGGTAC
Sequence of entity 7 (S), FASTA
>6LA8_7 Histone H1.0 (chains S)
MTENSTSAPAAKPKRAKASKKSTDHPKYSDMIVAAIQAEKNRAGSSRQSIQKYIKSHYKV
GENADSQIKLSIKRLVTTGVLKQTKGVGASGSFRLAKSDEPKKSVAFKKTKKEIKKVATP
KKASKPKKAASKAPTKKPKATPVKKAKKKLAATPKKAKKPKTVKAKPVKASKPKKAKPVK
PKAKSSAKRAGKKK

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa23

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

Primary citation

Near-atomic resolution structures of interdigitated nucleosome fibres. Adhireksan, Z., Sharma, D., Lee, P.L. et al. Nat Commun (2020) 11:4747-4747. DOI 10.1038/s41467-020-18533-2 · 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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