3A1A: DNMT3A ADD domain

Crystal Structure of the DNMT3A ADD domain. Determined by X-ray diffraction at 2.3 Å resolution. Released 10 Nov 2009.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Homo sapiens
Chains
1
Atoms
1,065
Mol. weight
16.57 kDa
Ligands
ZN
Released
10 Nov 2009

Explore 3A1A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3A1A contains 6 α-helices and 11 β-strands across 1 chain. 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-helix475-48410
α-helix490-4923
β-strand49411
β-strand504-50521
β-strand50912
β-strand512-51321
α-helix515-52410
β-strand52813
β-strand53413
β-strand546-54834
β-strand557-55934
α-helix560-5667
α-helix571-5755
β-strand591-59225
β-strand595-59625
β-strand59712
α-helix601-6088

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA (cytosine-5)-methyltransferase 3AAprotein144Homo sapiensQ9Y6K1 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3A1A_1 DNA (cytosine-5)-methyltransferase 3A (chains A)
GPLGSRERLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDD
DGYQSYCTICCGGREVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKG
TYGLLRRREDWPSRLQMFFANNHD

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn3

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

Primary citation

Structural basis for recognition of H3K4 methylation status by the DNA methyltransferase 3A ATRX-DNMT3-DNMT3L domain. Otani, J., Nankumo, T., Arita, K. et al. EMBO Rep (2009) 10:1235-1241. DOI 10.1038/embor.2009.218 · PubMed

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

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