Crystal Structure of the DNMT3A ADD domain. Determined by X-ray diffraction at 2.3 Å resolution. Released 10 Nov 2009.
Explore 3A1A in 3D Show helices and sheets RCSB PDB PDBe
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.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 475-484 | 10 | |
| α-helix | 490-492 | 3 | |
| β-strand | 494 | 1 | 1 |
| β-strand | 504-505 | 2 | 1 |
| β-strand | 509 | 1 | 2 |
| β-strand | 512-513 | 2 | 1 |
| α-helix | 515-524 | 10 | |
| β-strand | 528 | 1 | 3 |
| β-strand | 534 | 1 | 3 |
| β-strand | 546-548 | 3 | 4 |
| β-strand | 557-559 | 3 | 4 |
| α-helix | 560-566 | 7 | |
| α-helix | 571-575 | 5 | |
| β-strand | 591-592 | 2 | 5 |
| β-strand | 595-596 | 2 | 5 |
| β-strand | 597 | 1 | 2 |
| α-helix | 601-608 | 8 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| DNA (cytosine-5)-methyltransferase 3A | A | protein | 144 | Homo sapiens | Q9Y6K1 (AlphaFold model) |
>3A1A_1 DNA (cytosine-5)-methyltransferase 3A (chains A) GPLGSRERLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDD DGYQSYCTICCGGREVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKG TYGLLRRREDWPSRLQMFFANNHD
| ID | Name | Formula | Copies |
|---|---|---|---|
| ZN | Zinc ion | Zn | 3 |
Water and common crystallization additives (EDO) are not listed.
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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