7LYC: Histone H3.1

Cryo-EM structure of the human nucleosome core particle ubiquitylated at histone H2A Lys13 and Lys15 in complex with BARD1 (residues 415-777). Determined by electron microscopy at 2.94 Å resolution. Released 16 Jun 2021.

Method
Electron microscopy
Resolution
2.94 Å
Organism
Homo sapiens
Chains
12
Atoms
15,475
Mol. weight
251.07 kDa
Released
16 Jun 2021

Explore 7LYC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7LYC contains 57 α-helices and 37 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.

Chains A and E: 4 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix45-5612
α-helix64-7815
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13010
Chains B and F: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix26-283
α-helix31-4010
β-strand45-4622
α-helix50-7526
β-strand80-8121
α-helix83-919
β-strand96-9833
Chain C: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-3610
β-strand42-4325
α-helix47-7226
β-strand77-7824
α-helix80-8910
α-helix93-964
β-strand100-10238
Chains D and H: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix38-4811
β-strand53-5424
α-helix56-8328
β-strand88-8925
α-helix91-10111
α-helix104-12219
Chain G: 6 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix17-215
α-helix27-359
β-strand42-43210
α-helix47-7226
β-strand77-7829
α-helix80-8910
α-helix93-964
β-strand100-10233
α-helix113-1153
Chain K: 4 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand1-7711
β-strand12-17611
β-strand22112
α-helix23-3412
α-helix38-403
β-strand41-45511
β-strand48-49211
α-helix50-512
β-strand55112
α-helix57-593
β-strand66-71611
Chain N: 18 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix431-4388
α-helix441-4499
α-helix464-4718
α-helix474-4829
α-helix492-4943
α-helix497-5048
α-helix507-5159
α-helix530-5334
α-helix537-5437
β-strand571-574413
α-helix579-59214
β-strand595-597313
β-strand606-609413
α-helix614-6152
α-helix618-6258
β-strand629-632413
α-helix633-64210
α-helix649-6513
β-strand652113
α-helix657-6659
β-strand676-679414
α-helix688-69710
β-strand701-702214
α-helix712-7154
β-strand735-739514
β-strand751-752214
β-strand755-759514
α-helix760-76910

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone H3.1A, Eprotein140Homo sapiensP68431 (AlphaFold model)
Histone H4B, Fprotein107Homo sapiensP62805 (AlphaFold model)
Histone H2B type 1-JD, Hprotein126Homo sapiensP06899 (AlphaFold model)
DNA (147-mer)IDNA147Homo sapiens
DNA (146-mer)JDNA147Homo sapiens
UbiquitinKprotein84Homo sapiensP0CG47 (AlphaFold model)
BRCA1-associated RING domain protein 1Nprotein373Homo sapiensQ99728
Histone H2A type 1-B/EC, Gprotein119Homo sapiensP04908
Sequence of entity 1 (A, E), FASTA
>7LYC_1 Histone H3.1 (chains A, E)
GPGHMARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQ
KSTELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAK
RVTIMPKDIQLARRIRGERA
Sequence of entity 2 (B, F), FASTA
>7LYC_2 Histone H4 (chains B, F)
GPGHMSGRGKGGKGLGKGGAKRHRKVLRDNIQGITKPAIRRLARRGGVKRISGLIYEETR
GVLKVFLENVIRDAVTYTEHAKRKTVTAMDVVYALKRQGRTLYGFGG
Sequence of entity 3 (D, H), FASTA
>7LYC_3 Histone H2B type 1-J (chains D, H)
GHMPEPAKSAPAPKKGSKKAVTKAQKKDGKKRKRSRKESYSIYVYKVLKQVHPDTGISSK
AMGIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKA
VTKYTS
Sequence of entity 4 (I), FASTA
>7LYC_4 DNA (147-MER) (chains I)
ATCGAGAATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACCGCTTAA
ACGCACGTACGCGCTGTCCCCCGCGTTTTAACCGCCAAGGGGATTACTCCCTAGTCTCCA
GGCACGTGTCAGATATATACATCCGAT
Sequence of entity 5 (J), FASTA
>7LYC_5 DNA (146-MER) (chains J)
ATCGGATGTATATATCTGACACGTGCCTGGAGACTAGGGAGTAATCCCCTTGGCGGTTAA
AACGCGGGGGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGACCAATTG
AGCGGCCTCGGCACCGGGATTCTCGAT
Sequence of entity 6 (K), FASTA
>7LYC_6 Ubiquitin (chains K)
MHHHHHHMMQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLED
GRTLSDYNIQKESTLHLVLRLRGG
Sequence of entity 7 (N), FASTA
>7LYC_7 BRCA1-associated RING domain protein 1 (chains N)
GSGGSGGSGSKLLPNMAVKRNHRGETLLHIASIKGDIPSVEYLLQNGSDPNVKDHAGWTP
LHEACNHGHLKVVELLLQHKALVNTTGYQNDSPLHDAAKNGHVDIVKLLLSYGASRNAVN
IFGLRPVDYTDDESMKSLLLLPEKNESSSASHCSVMNTGQRRDGPLVLIGSGLSSEQQKM
LSELAVILKAKKYTEFDSTVTHVVVPGDAVQSTLKCMLGILNGCWILKFEWVKACLRRKV
CEQEEKYEIPEGPRRSRLNREQLLPKLFDGCYFYLWGTFKHHPKDNLIKLVTAGGGQILS
RKPKPDSDVTQTINTVAYHARPDSDQRFCTQYIIYEDLCNYHPERVRQGKVWKAPSSWFI
DCVMSFELLPLDS
Sequence of entity 8 (C, G), FASTA
>7LYC_8 Histone H2A type 1-B/E (chains C, G)
SAKAKTRSSRAGLQFPVGRVHRLLRKGNYSERVGAGAPVYLAAVLEYLTAEILELAGNAA
RDNKKTRIIPRHLQLAIRNDEELNKLLGRVTIAQGGVLPNIQAVLLPKKTESHHKAKGK

Primary citation

Mechanisms of BRCA1-BARD1 nucleosome recognition and ubiquitylation. Hu, Q., Botuyan, M.V., Zhao, D. et al. Nature (2021) 596:438-443. DOI 10.1038/s41586-021-03716-8 · 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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