4KUD: Histone H3

Crystal structure of N-terminal acetylated Sir3 BAH domain D205N mutant in complex with yeast nucleosome core particle. Determined by X-ray diffraction at 3.2 Å resolution. Released 7 Aug 2013.

Method
X-ray diffraction
Resolution
3.2 Å
Organism
Saccharomyces cerevisiae
Chains
12
Atoms
15,732
Mol. weight
253.78 kDa
Released
7 Aug 2013

Explore 4KUD in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4KUD contains 55 α-helices and 46 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-helix45-5612
α-helix64-7512
β-strand83-8421
α-helix86-11328
β-strand118-11922
α-helix121-13010
Chain B: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4111
β-strand45-4622
α-helix50-7526
β-strand80-8121
α-helix83-9210
β-strand96-9833
Chain C: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix18-214
α-helix28-3710
β-strand43-4424
α-helix48-7225
β-strand78-7925
α-helix81-9010
α-helix92-976
β-strand101-10336
Chain D: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix41-5111
β-strand56-5725
α-helix59-8628
β-strand91-9224
α-helix94-10411
α-helix107-12721
Chain E: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix45-5612
α-helix64-7512
β-strand83-8427
α-helix86-11328
β-strand118-11928
α-helix121-13010
Chain F: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix19-213
α-helix25-284
α-helix31-4111
β-strand45-4628
α-helix50-7526
β-strand80-8127
α-helix83-9210
β-strand96-9836
Chain G: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix18-214
α-helix28-369
β-strand43-4429
α-helix48-7225
β-strand78-79210
α-helix81-9010
α-helix92-976
β-strand101-10333
Chain H: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix41-5111
β-strand56-57210
α-helix59-8628
β-strand91-9229
α-helix94-10411
α-helix107-12620

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 H3A, Eprotein136Saccharomyces cerevisiaeP61830 (AlphaFold model)
Histone H4B, Fprotein103Saccharomyces cerevisiaeP02309 (AlphaFold model)
Histone H2A.2C, Gprotein132Saccharomyces cerevisiaeP04912 (AlphaFold model)
Histone H2B.1D, Hprotein131Saccharomyces cerevisiaeP02293 (AlphaFold model)
nucloesome DNAI, JDNA146
Regulatory protein SIR3K, Lprotein224Saccharomyces cerevisiaeP06701
Sequence of entity 1 (A, E), FASTA
>4KUD_1 Histone H3 (chains A, E)
MARTKQTARKSTGGKAPRKQLASKAARKSAPSTGGVKKPHRYKPGTVALREIRRFQKSTE
LLIRKLPFQRLVREIAQDFKTDLRFQSSAIGALQESVEAYLVSLFEDTNLAAIHAKRVTI
QKKDIKLARRLRGERS
Sequence of entity 2 (B, F), FASTA
>4KUD_2 Histone H4 (chains B, F)
MSGRGKGGKGLGKGGAKRHRKILRDNIQGITKPAIRRLARRGGVKRISGLIYEEVRAVLK
SFLESVIRDSVTYTEHAKRKTVTSLDVVYALKRQGRTLYGFGG
Sequence of entity 3 (C, G), FASTA
>4KUD_3 Histone H2A.2 (chains C, G)
MAGGKGGKAGSAAKASQSRSAKAGLTFPVGRVHRLLRRGNYAQRIGSGAPVYLTAVLEYL
AAEILELAGNAARDNKKTRIIPRHLQLAIRNDDELNKLLGNVTIAQGGVLPNIHQNLLPK
KSAKTAKASQEL
Sequence of entity 4 (D, H), FASTA
>4KUD_4 Histone H2B.1 (chains D, H)
MSAKAEKKPASKAPAEKKPAAKKTSTSTDGKKRSKARKETYSSYIYKVLKQTHPDTGISQ
KSMSILNSFVNDIFERIATEASKLAAYNKKSTISAREIQTAVRLILPGELAKHAVSEGTR
AVTKYSSSTQA
Sequence of entity 5 (I, J), FASTA
>4KUD_5 nucloesome DNA (chains I, J)
ATCAATATCCACCTGCAGATTCTACCAAAAGTGTATTTGGAAACTGCTCCATCAAAAGGC
ATGTTCAGCGGAATTCCGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATACACTTTT
GGTAGAATCTGCAGGTGGATATTGAT
Sequence of entity 6 (K, L), FASTA
>4KUD_6 Regulatory protein SIR3 (chains K, L)
AKTLKDLDGWQVIITDDQGRVIDDNNRRRSRKRGGENVFLKRISDGLSFGKGESVIFNDN
VTETYSVYLIHEIRLNTLNNVVEIWVFSYLRWFELKPKLYYEQFRPDLIKEDHPLEFYKD
KFFNEVNKSELYLTAELSEIWLKDFIAVGQILPESQWNDSSIDKIEDRDFLVRYACEPTA
EKFVPIDIFQIIRRVKEMEPKQSNEYLKRVSVPVSGQKHHHHHH

Primary citation

N alpha-acetylated Sir3 stabilizes the conformation of a nucleosome-binding loop in the BAH domain. Yang, D., Fang, Q., Wang, M. et al. Nat Struct Mol Biol (2013) 20:1116-1118. DOI 10.1038/nsmb.2637 · PubMed

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

Browse structure collections

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