4QBQ: DNMT3a ADD domain

Crystal structure of DNMT3a ADD domain bound to H3 peptide. Determined by X-ray diffraction at 2.41 Å resolution. Released 13 May 2015.

Method
X-ray diffraction
Resolution
2.41 Å
Organism
Homo sapiens
Chains
3
Atoms
2,299
Mol. weight
32.1 kDa
Ligands
ZN
Released
13 May 2015

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

Secondary structure: helices and β-sheets

4QBQ contains 13 α-helices and 25 β-strands across 3 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: 6 helices, 12 β-strands

ElementResiduesLengthSheet
α-helix475-48410
α-helix490-4923
β-strand49411
β-strand504-50521
β-strand50912
β-strand512-51321
α-helix515-52410
β-strand52813
β-strand53413
β-strand53714
β-strand546-54834
β-strand557-55934
α-helix560-5667
α-helix571-5766
β-strand591-59225
β-strand595-59625
β-strand59712
α-helix601-6088
Chain C: 7 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix476-4849
α-helix490-4923
β-strand49416
β-strand504-50526
β-strand50917
β-strand512-51326
α-helix515-5239
β-strand52818
β-strand53418
β-strand53719
β-strand545-54849
β-strand557-55939
α-helix560-5623
α-helix563-5675
α-helix571-5777
β-strand591-592210
β-strand595-596210
β-strand59717
α-helix601-6088
Chain P: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand3-539

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (cytosine-5)-methyltransferase 3AA, Cprotein137Homo sapiensQ9Y6K1 (AlphaFold model)
Histone H3Pprotein8Homo sapiensP68431 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>4QBQ_1 DNA (cytosine-5)-methyltransferase 3A (chains A, C)
GPLGSLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDDDGY
QSYCTICCGGREVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKGTYG
LLRRREDWPSRLQMFFA
Sequence of entity 2 (P), FASTA
>4QBQ_2 Histone H3 (chains P)
ARTKQTAR

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn6

Primary citation

Engineering of a histone-recognition domain in a de novo DNA methyltransferase alters the epigenetic landscape of ESCs. Noh, K., Wang, H., Kim, H. et al. To be published.

Other PDB entries of the same protein (UniProt Q9Y6K1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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