8Q3X: Histone H3.1

Structure of Nucleosome Core with a Bound Metallopeptide Conjugate (Kaposi Sarcoma Associated Herpesvirus LANA Peptide-Au[I] Compound). Determined by X-ray diffraction at 2.3 Å resolution. Released 27 Mar 2024.

Method
X-ray diffraction
Resolution
2.3 Å
Organisms
Homo sapiens, Human gammaherpesvirus 8
Chains
11
Atoms
12,178
Mol. weight
179.18 kDa
Ligands
XIS, AU, MG
Released
27 Mar 2024

Explore 8Q3X in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8Q3X contains 39 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 AAA: 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 BBB: 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-strand96-9833
Chain CCC: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-3610
β-strand42-4324
α-helix46-7227
β-strand77-7825
α-helix80-889
α-helix91-966
β-strand100-10236
α-helix113-1153
Chains DDD and HHH: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix35-4511
β-strand50-5125
α-helix53-8028
β-strand85-8624
α-helix88-9811
α-helix101-11919
Chain EEE: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix40-423
α-helix45-5612
α-helix64-7815
β-strand83-8427
α-helix86-11328
β-strand118-11928
α-helix121-13010
Chain FFF: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix19-213
α-helix25-284
α-helix31-4010
β-strand45-4628
α-helix50-7526
β-strand80-8127
α-helix83-9210
β-strand96-9836
Chain GGG: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-359
β-strand42-4329
α-helix47-7226
β-strand77-78210
α-helix80-889
α-helix91-966
β-strand100-10233
α-helix113-1153

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.1AAA, EEEprotein98Homo sapiensP68431 (AlphaFold model)
Histone H4BBB, FFFprotein87Homo sapiensP62805 (AlphaFold model)
Histone H2A type 1-B/ECCC, GGGprotein107Homo sapiensP04908 (AlphaFold model)
Histone H2B type 1-KDDD, HHHprotein95Homo sapiensO60814 (AlphaFold model)
DNA (145-mer)IIIDNA145Homo sapiens
DNA (145-mer)JJJDNA145Homo sapiens
LANA peptideMMMprotein14Human gammaherpesvirus 8Q9QR71
Sequence of entity 1 (AAA, EEE), FASTA
>8Q3X_1 Histone H3.1 (chains AAA, EEE)
PHRYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACE
AYLVGLFEDTNLCAIHAKRVTIMPKDIQLARRIRGERA
Sequence of entity 2 (BBB, FFF), FASTA
>8Q3X_2 Histone H4 (chains BBB, FFF)
KRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEH
AKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (CCC, GGG), FASTA
>8Q3X_3 Histone H2A type 1-B/E (chains CCC, GGG)
KAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNAARD
NKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPKK
Sequence of entity 4 (DDD, HHH), FASTA
>8Q3X_4 Histone H2B type 1-K (chains DDD, HHH)
RSRKESYSVYVYKVLKQVHPDTGISSKAMGIMNSFVNDIFERIAGEASRLAHYNKRSTIT
SREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSAK
Sequence of entity 5 (III), FASTA
>8Q3X_5 DNA (145-MER) (chains III)
ATCAATATCCACCTGCAGATACTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGC
ATGTTCAGCTGAATCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTTG
GTAGTATCTGCAGGTGGATATTGAT
Sequence of entity 6 (JJJ), FASTA
>8Q3X_6 DNA (145-MER) (chains JJJ)
ATCAATATCCACCTGCAGATACTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGC
ATGTTCAGCTGATTCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTTG
GTAGTATCTGCAGGTGGATATTGAT
Sequence of entity 7 (MMM), FASTA
>8Q3X_7 LANA peptide (chains MMM)
PGARLRSGRSTGAP

Ligands and cofactors

IDNameFormulaCopies
XIS4-diphenylphosphanylbenzoic acidC19 H15 O2 P1
AUGold ionAu1
MGMagnesium ionMg1

Primary citation

Viral peptide conjugates for metal-warhead delivery to chromatin. Batchelor, L.K., De Falco, L., Dyson, P.J. et al. RSC Adv (2024) 14:8718-8725. DOI 10.1039/d4ra01617c · 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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