7E9C: 1:1 Orc1 BAH domain

Cryo-EM structure of the 1:1 Orc1 BAH domain in complex with nucleosome. Determined by electron microscopy at 3.5 Å resolution. Released 7 Sept 2022.

Method
Electron microscopy
Resolution
3.5 Å
Organisms
Saccharomyces cerevisiae (strain ATCC 204508 / S288c), Escherichia coli
Chains
11
Atoms
12,338
Mol. weight
225.83 kDa
Released
7 Sept 2022

Explore 7E9C in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7E9C contains 37 α-helices and 31 β-strands across 9 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-helix40-423
α-helix46-5611
α-helix64-7613
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-1299
Chain B: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4111
β-strand45-4622
α-helix54-7522
β-strand80-8121
α-helix84-929
β-strand97-9823
Chain C: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix18-225
α-helix29-368
β-strand4414
α-helix47-7226
α-helix81-9010
α-helix92-976
β-strand101-10225
Chain D: 4 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix41-5111
α-helix59-8628
β-strand9214
α-helix94-10411
α-helix108-12518
Chain E: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix47-548
α-helix64-7613
β-strand83-8426
α-helix86-11328
β-strand118-11927
α-helix121-13111
Chain F: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix26-283
α-helix31-4111
β-strand45-4627
α-helix50-7526
β-strand80-8126
α-helix83-9210
β-strand96-9725
Chain G: 5 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix18-214
α-helix28-3710
β-strand43-4428
α-helix47-7327
α-helix81-9010
α-helix94-974
β-strand102-10323
Chain H: 4 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix41-5111
α-helix59-8628
β-strand91-9228
α-helix94-10411
α-helix108-12417

1 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 H3A, Eprotein134Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P61830 (AlphaFold model)
Histone H4B, Fprotein103Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P02309 (AlphaFold model)
Histone H2A.2C, Gprotein132Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P04912 (AlphaFold model)
Histone H2B.2D, Hprotein131Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P02294 (AlphaFold model)
DNA (147-mer)IDNA147Escherichia coli
DNA (147-mer)JDNA147Escherichia coli
Origin recognition complex subunit 1Kprotein218Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P54784
Sequence of entity 1 (A, E), FASTA
>7E9C_1 Histone H3 (chains A, E)
MARTKQTARKSTGGKAPRKQLASKAARKSAPSTGGVKKPHRYKPGTVALREIRRFQKSTE
LLIRKLPFQRLVREIAQDFKTDLRFQSSAIGALQESVEAYLVSLFEDTNLAAIHAKRVTI
QKKDIKLARRLRGE
Sequence of entity 2 (B, F), FASTA
>7E9C_2 Histone H4 (chains B, F)
MSGRGKGGKGLGKGGAKRHRKILRDNIQGITKPAIRRLARRGGVKRISGLIYEEVRAVLK
SFLESVIRDSVTYTEHAKRKTVTSLDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C, G), FASTA
>7E9C_3 Histone H2A.2 (chains C, G)
MSGGKGGKAGSAAKASQSRSAKAGLTFPVGRVHRLLRRGNYAQRIGSGAPVYLTAVLEYL
AAEILELAGNAARDNKKTRIIPRHLQLAIRNDDELNKLLGNVTIAQGGVLPNIHQNLLPK
KSAKTAKASQEL
Sequence of entity 4 (D, H), FASTA
>7E9C_4 Histone H2B.2 (chains D, H)
MSSAAEKKPASKAPAEKKPAAKKTSTSVDGKKRSKVRKETYSSYIYKVLKQTHPDTGISQ
KSMSILNSFVNDIFERIATEASKLAAYNKKSTISAREIQTAVRLILPGELAKHAVSEGTR
AVTKYSSSTQA
Sequence of entity 5 (I), FASTA
>7E9C_5 DNA (147-mer) (chains I)
CTGGAGAATCCCGGTGCCGAGGCCGCTCAATTGGTCGTAGACAGCTCTAGCACCGCTTAA
ACGCACGTACGCGCTGTCCCCCGCGTTTTAACCGCCAAGGGGATTACTCCCTAGTCTCCA
GGCACGTGTCAGATATATACATCCTGT
Sequence of entity 6 (J), FASTA
>7E9C_6 DNA (147-mer) (chains J)
ACAGGATGTATATATCTGACACGTGCCTGGAGACTAGGGAGTAATCCCCTTGGCGGTTAA
AACGCGGGGGACAGCGCGTACGTGCGTTTAAGCGGTGCTAGAGCTGTCTACGACCAATTG
AGCGGCCTCGGCACCGGGATTCTCCAG
Sequence of entity 7 (K), FASTA
>7E9C_7 Origin recognition complex subunit 1 (chains K)
AKTLKDLQGWEIITTDEQGNIIDGGQKRLRRRGAKTEHYLKRSSDGIKLGRGDSVVMHNE
AAGTYSVYMIQELRLNTLNNVVELWALTYLRWFEVNPLAHYRQFNPDANILNRPLNYYNK
LFSETANKNELYLTAELAELQLFNFIRVANVMDGSKWEVLKGNVDPERDFTVRYICEPTG
EKFVDINIEDVKAYIKKVEPREAQEYLKDLTLPSKKKE

Primary citation

Nucleosome binding relinquishes the association of the BAH domain of Orc1 with Sir1. Jiang, H., Yu, C., Liu, C.P. et al. To be published.

Other PDB entries of the same protein (UniProt P61830 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 7E9C directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.