1ZKK: PDB entry 1ZKK

Crystal structure of hSET8 in ternary complex with H4 peptide (16-24) and AdoHcy. Determined by X-ray diffraction at 1.45 Å resolution. Released 7 Jun 2005.

Method
X-ray diffraction
Resolution
1.45 Å
Organism
Homo sapiens
Chains
8
Atoms
6,545
Mol. weight
82.19 kDa
Ligands
SAH
Released
7 Jun 2005

Explore 1ZKK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1ZKK contains 30 α-helices and 56 β-strands across 8 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: 7 helices, 13 β-strands

ElementResiduesLengthSheet
α-helix195-21218
β-strand218-22361
β-strand227-23261
β-strand23612
β-strand241-24553
β-strand248-25144
α-helix252-26211
β-strand272-27764
β-strand280-28564
α-helix294-2963
β-strand298-29925
β-strand305-31283
β-strand315-32283
β-strand32612
α-helix3301
β-strand33111
α-helix3321
β-strand333-33425
α-helix341-3466
α-helix348-3514
Chain B: 7 helices, 13 β-strands
ElementResiduesLengthSheet
α-helix195-21218
β-strand218-22366
β-strand227-23266
β-strand23617
β-strand241-24448
β-strand248-25149
α-helix252-26211
β-strand272-27769
β-strand280-28569
α-helix294-2963
β-strand298-299210
β-strand305-31288
β-strand315-32288
β-strand32617
α-helix3301
β-strand33116
α-helix3321
β-strand333-334210
α-helix341-3466
α-helix348-3514
Chain C: 8 helices, 13 β-strands
ElementResiduesLengthSheet
α-helix195-21218
β-strand218-223611
β-strand227-232611
β-strand236112
β-strand241-244413
β-strand248-251414
α-helix252-26211
β-strand272-277614
β-strand280-285614
α-helix294-2963
α-helix2971
β-strand298-299215
β-strand305-312813
β-strand315-322813
β-strand326112
α-helix3301
β-strand331111
α-helix3321
β-strand333-334215
α-helix341-3466
α-helix348-3514
Chain D: 8 helices, 13 β-strands
ElementResiduesLengthSheet
α-helix195-21218
β-strand218-223616
β-strand227-232616
β-strand236117
β-strand241-245518
β-strand248-251419
α-helix252-26211
β-strand272-277619
β-strand280-285619
α-helix294-2963
α-helix2971
β-strand298-299218
β-strand305-312818
β-strand315-322818
β-strand326117
α-helix3301
β-strand331116
α-helix3321
β-strand333-334218
α-helix341-3466
α-helix348-3514
Chains E, F, G and H: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand20-2124

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Histone-lysine N-methyltransferase, H4 lysine-20 specificA, B, C, Dprotein167Homo sapiensQ9NQR1 (AlphaFold model)
Peptide corresponding to residues 15-24 of histone H4E, F, G, Hprotein10P62805 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>1ZKK_1 Histone-lysine N-methyltransferase, H4 lysine-20 specific (chains A, B, C, D)
GAMGSSRKSKAELQSEERKRIDELIESGKEEGMKIDLIDGKGRGVIATKQFSRGDFVVEY
HGDLIEITDAKKREALYAQDPSTGCYMYYFQYLSKTYCVDATRETNRLGRLINHSKCGNC
QTKLHDIDGVPHLILIASRDIAAGEELLYDYGDRSKASIEAHPWLKH
Sequence of entity 2 (E, F, G, H), FASTA
>1ZKK_2 Peptide corresponding to residues 15-24 of histone H4 (chains E, F, G, H)
AKRHRKVLRD

Ligands and cofactors

IDNameFormulaCopies
SAHS-adenosyl-L-homocysteineC14 H20 N6 O5 S4

Primary citation

Structural and functional analysis of SET8, a histone H4 Lys-20 methyltransferase. Couture, J.-F., Collazo, E., Brunzelle, J.S. et al. Genes Dev (2005) 19:1455-1465. DOI 10.1101/gad.1318405 · PubMed

Other PDB entries of the same protein (UniProt Q9NQR1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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