5JA4: Histone H3.3

Crystal structure of human TONSL and MCM2 HBDs binding to a histone H3-H4 tetramer. Determined by X-ray diffraction at 2.42 Å resolution. Released 15 Jun 2016.

Method
X-ray diffraction
Resolution
2.42 Å
Organism
Homo sapiens
Chains
4
Atoms
3,019
Mol. weight
48.9 kDa
Released
15 Jun 2016

Explore 5JA4 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5JA4 contains 20 α-helices and 6 β-strands across 4 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: 3 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix64-7613
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13010
Chain B: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix17-193
α-helix25-284
α-helix31-4010
β-strand45-4622
α-helix50-7526
β-strand80-8121
α-helix83-9210
Chain C: 3 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand70-7122
α-helix77-815
β-strand9511
α-helix103-1064
α-helix107-12216
Chain D: 9 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix532-5398
α-helix542-55110
α-helix565-5728
α-helix575-5839
α-helix592-5932
α-helix601-6077
α-helix611-6166
α-helix634-64411
α-helix651-66818

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.3Aprotein79Homo sapiensP84243 (AlphaFold model)
Histone H4Bprotein102Homo sapiensP62805 (AlphaFold model)
DNA replication licensing factor MCM2Cprotein70Homo sapiensP49736 (AlphaFold model)
Tonsoku-like proteinDprotein181Homo sapiensQ96HA7 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>5JA4_1 Histone H3.3 (chains A)
STELLIRKLPFQRLVREIAQDFKTDLRFQSAAIGALQEASEAYLVGLFEDTNLCAIHAKR
VTIMPKDIQLARRIRGERA
Sequence of entity 2 (B), FASTA
>5JA4_2 Histone H4 (chains B)
SGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKV
FLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C), FASTA
>5JA4_3 DNA replication licensing factor MCM2 (chains C)
GPLEEEEDGEELIGDGMERDYRAIPELDAYEAEGLALDDEDVEELTASQREAAERAMRQR
DREAGRGLGR
Sequence of entity 4 (D), FASTA
>5JA4_4 Tonsoku-like protein (chains D)
GHLGRRKGSKWNRRNDMGETLLHRACIEGQLRRVQDLVRQGHPLNPRDYCGWTPLHEACN
YGHLEIVRFLLDHGAAVDDPGGQGCEGITPLHDALNCGHFEVAELLLERGASVTLRTRKG
LSPLETLQQWVKLYRRDLDLETRQKARAMEMLLQAAASGQDPHSSQAFHTPSSLLFDPET
S

Primary citation

H4K20me0 marks post-replicative chromatin and recruits the TONSL-MMS22L DNA repair complex. Saredi, G., Huang, H., Hammond, C.M. et al. Nature (2016) 534:714-718. DOI 10.1038/nature18312 · PubMed

Other PDB entries of the same protein (UniProt P84243 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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