8X7K: RNF168/UbcH5c-Ub

Cryo-EM structures of RNF168/UbcH5c-Ub in complex with H2AK13Ub nucleosomes determined by activity-based chemical trapping strategy (adjacent H2AK13/15 dual-monoubiquitination). Determined by electron microscopy at 3.27 Å resolution. Released 7 Aug 2024.

Method
Electron microscopy
Resolution
3.27 Å
Organism
Homo sapiens
Chains
12
Atoms
13,387
Mol. weight
203.81 kDa
Ligands
ZN
Released
7 Aug 2024

Explore 8X7K in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8X7K contains 44 α-helices and 30 β-strands across 10 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-helix45-5410
α-helix64-7512
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13111
Chain B: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix26-283
α-helix31-4111
β-strand45-4622
α-helix50-7627
β-strand80-8121
α-helix83-919
β-strand97-9823
Chain C: 5 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-strand100-10236
Chain D: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-5425
α-helix56-8328
β-strand88-8924
α-helix91-10111
α-helix104-12219
Chain E: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix41-422
α-helix45-5410
α-helix64-7815
β-strand83-8427
α-helix86-11328
β-strand118-11928
α-helix121-13010
Chain F: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix23-286
α-helix31-4111
β-strand45-4628
α-helix50-7526
β-strand80-8127
α-helix83-919
β-strand96-9836
Chain G: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-3610
β-strand42-4329
α-helix46-7227
β-strand77-78210
α-helix80-8910
α-helix91-966
β-strand101-10223
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

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 H3.2A, Eprotein97Homo sapiensQ71DI3 (AlphaFold model)
Histone H4B, Fprotein82Homo sapiensP62805 (AlphaFold model)
Histone H2A type 1-B/ECprotein105Homo sapiensP04908 (AlphaFold model)
Histone H2B type 1-KD, Hprotein94Homo sapiensO60814 (AlphaFold model)
Histone H2A type 1-B/EGprotein108Homo sapiensP04908 (AlphaFold model)
DNA (143-mer)IDNA143Homo sapiens
DNA (143-mer)JDNA143Homo sapiens
Ubiquitin-conjugating enzyme E2 D3Kprotein147Homo sapiensP61077
E3 ubiquitin-protein ligase RNF168Lprotein113Homo sapiensQ8IYW5
Sequence of entity 1 (A, E), FASTA
>8X7K_1 Histone H3.2 (chains A, E)
PHRYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEASE
AYLVGLFEDTNLSAIHAKRVTIMPKDIQLARRIRGER
Sequence of entity 2 (B, F), FASTA
>8X7K_2 Histone H4 (chains B, F)
KVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETRGVLKVFLENVIRDAVTYTEHAKRK
TVTAMDVVYALKRQGRTLYGFG
Sequence of entity 3 (C), FASTA
>8X7K_3 Histone H2A type 1-B/E (chains C)
ACTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNAARDN
KKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPK
Sequence of entity 4 (D, H), FASTA
>8X7K_4 Histone H2B type 1-K (chains D, H)
RSRKESYSVYVYKVLKQVHPDTGISSKAMGIMNSFVNDIFERIAGEASRLAHYNKRSTIT
SREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSA
Sequence of entity 5 (G), FASTA
>8X7K_5 Histone H2A type 1-B/E (chains G)
ARAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNA
ARDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLP
Sequence of entity 6 (I), FASTA
>8X7K_6 DNA (143-MER) (chains I)
CAGGATGTATATATCTGACACGTGCCTGGAGACTAGGGAGTAATCCCCTTGGCGGTTAAA
ACGCGGGGGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGACCAATTGA
GCGGCCTCGGCACCGGGATTCTC
Sequence of entity 7 (J), FASTA
>8X7K_7 DNA (143-MER) (chains J)
GAGAATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACCGCTTAAACG
CACGTACGCGCTGTCCCCCGCGTTTTAACCGCCAAGGGGATTACTCCCTAGTCTCCAGGC
ACGTGTCAGATATATACATCCTG
Sequence of entity 8 (K), FASTA
>8X7K_8 Ubiquitin-conjugating enzyme E2 D3 (chains K)
MALKRINKELSDLARDPPAQSSAGPVGDDMFHWQATIMGPNDSPYQGGVFFLTIHFPTDY
PFKPPKVAFTTRIYHPNINSNGSICLDILRSQWSPALTISKVLLSISSLLSDPNPDDPLV
PEIARIYKTDRDKYNRISREWTQKYAM
Sequence of entity 9 (L), FASTA
>8X7K_9 E3 ubiquitin-protein ligase RNF168 (chains L)
MALPKDAIPSLSECQCGICMEILVEPVTLPCNHTLCKPCFQSTVEKASLCCPFCRRRVSS
WTRYHTRRNSLVNVELWTIIQKHYPRECKLRASGQESEEVADDYQPVRLLSKP

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

Primary citation

Capturing Snapshots of Nucleosomal H2A K13/K15 Ubiquitination Mediated by the Monomeric E3 Ligase RNF168. Ai, H., Tong, Z., Deng, Z. et al. bioRxiv (2024). DOI 10.1101/2024.01.02.573964

Other PDB entries of the same protein (UniProt Q71DI3 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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