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.
Explore 4QBS in 3D Show helices and sheets RCSB PDB PDBe
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.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 476-484 | 9 | |
| α-helix | 490-492 | 3 | |
| β-strand | 494 | 1 | 1 |
| β-strand | 502-505 | 4 | 1 |
| β-strand | 509 | 1 | 2 |
| β-strand | 512-514 | 3 | 1 |
| α-helix | 515-524 | 10 | |
| β-strand | 528 | 1 | 3 |
| β-strand | 534 | 1 | 3 |
| β-strand | 545-548 | 4 | 4 |
| β-strand | 557-559 | 3 | 4 |
| α-helix | 560-566 | 7 | |
| α-helix | 571-577 | 7 | |
| β-strand | 591-592 | 2 | 5 |
| β-strand | 595-596 | 2 | 5 |
| β-strand | 597 | 1 | 2 |
| α-helix | 601-608 | 8 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 3-5 | 3 | 4 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| DNA (cytosine-5)-methyltransferase 3A | A | protein | 138 | Homo sapiens | Q9Y6K1 (AlphaFold model) |
| Histone H3 | P | protein | 7 | Homo sapiens | P68431 (AlphaFold model) |
>4QBS_1 DNA (cytosine-5)-methyltransferase 3A (chains A) GSRERLVYEVRQKCRNIEDICISCGSLNVTLEHPLFVGGMCQNCKNCFLECAYQYDDDGY QSYCTICCGGRRVLMCGNNNCCRCFCVECVDLLVGPGAAQAAIKEDPWNCYMCGHKGTYG LLRRREDWPSRLQMFFAN
>4QBS_2 Histone H3 (chains P) ARTKQTA
| ID | Name | Formula | Copies |
|---|---|---|---|
| ZN | Zinc ion | Zn | 3 |
Water and common crystallization additives (SO4) are not listed.
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:
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