4QBS: DNMT3a ADD domain E545R mutant

Crystal structure of DNMT3a ADD domain E545R mutant bound to H3T3ph peptide. Determined by X-ray diffraction at 1.8 Å resolution. Released 13 May 2015.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
Homo sapiens
Chains
2
Atoms
1,287
Mol. weight
16.85 kDa
Ligands
ZN
Released
13 May 2015

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

Secondary structure: helices and β-sheets

4QBS contains 6 α-helices and 12 β-strands across 2 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, 11 β-strands

ElementResiduesLengthSheet
α-helix476-4849
α-helix490-4923
β-strand49411
β-strand502-50541
β-strand50912
β-strand512-51431
α-helix515-52410
β-strand52813
β-strand53413
β-strand545-54844
β-strand557-55934
α-helix560-5667
α-helix571-5777
β-strand591-59225
β-strand595-59625
β-strand59712
α-helix601-6088
Chain P: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand3-534

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (cytosine-5)-methyltransferase 3AAprotein138Homo sapiensQ9Y6K1 (AlphaFold model)
Histone H3Pprotein7Homo sapiensP68431 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4QBS_1 DNA (cytosine-5)-methyltransferase 3A (chains A)
GSRERLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDDDGY
QSYCTICCGGRRVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKGTYG
LLRRREDWPSRLQMFFAN
Sequence of entity 2 (P), FASTA
>4QBS_2 Histone H3 (chains P)
ARTKQTA

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn3

Water and common crystallization additives (SO4) are not listed.

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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