Crystal structure of SMYD3 with diperodon S enantiomer bound to allosteric site. Determined by X-ray diffraction at 1.61 Å resolution. Released 3 Mar 2021.
Explore 7BJ1 in 3D Show helices and sheets RCSB PDB PDBe
7BJ1 contains 25 α-helices and 18 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 |
|---|---|---|---|
| β-strand | 6-10 | 5 | 1 |
| β-strand | 16-20 | 5 | 1 |
| β-strand | 24 | 1 | 2 |
| β-strand | 29-33 | 5 | 3 |
| β-strand | 37-40 | 4 | 4 |
| α-helix | 42-44 | 3 | |
| β-strand | 45 | 1 | 5 |
| β-strand | 48 | 1 | 5 |
| β-strand | 55 | 1 | 5 |
| β-strand | 60-61 | 2 | 6 |
| α-helix | 62 | 1 | |
| β-strand | 69-70 | 2 | 6 |
| α-helix | 73-92 | 20 | |
| α-helix | 100-114 | 15 | |
| α-helix | 116-118 | 3 | |
| α-helix | 119-121 | 3 | |
| α-helix | 126-128 | 3 | |
| α-helix | 133-135 | 3 | |
| α-helix | 138-154 | 17 | |
| α-helix | 162-164 | 3 | |
| α-helix | 171-181 | 11 | |
| β-strand | 183-186 | 4 | 4 |
| β-strand | 192-197 | 6 | 4 |
| α-helix | 201-203 | 3 | |
| α-helix | 204 | 1 | |
| β-strand | 205-206 | 2 | 7 |
| β-strand | 212-217 | 6 | 3 |
| β-strand | 220-225 | 6 | 3 |
| β-strand | 229 | 1 | 2 |
| α-helix | 233 | 1 | |
| β-strand | 234 | 1 | 1 |
| α-helix | 235 | 1 | |
| β-strand | 236-237 | 2 | 7 |
| α-helix | 246-257 | 12 | |
| α-helix | 264-268 | 5 | |
| α-helix | 272-275 | 4 | |
| α-helix | 280-298 | 19 | |
| α-helix | 302-313 | 12 | |
| α-helix | 325-341 | 17 | |
| α-helix | 344-361 | 18 | |
| α-helix | 367-382 | 16 | |
| α-helix | 386-403 | 18 | |
| α-helix | 409-426 | 18 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Histone-lysine N-methyltransferase SMYD3 | A | protein | 431 | Homo sapiens | Q9H7B4 (AlphaFold model) |
>7BJ1_1 Histone-lysine N-methyltransferase SMYD3 (chains A) GSHMEPLKVEKFATANRGNGLRAVTPLRPGELLFRSDPLAYTVCKGSRGVVCDRCLLGKE KLMRCSQCRVAKYCSAKCQKKAWPDHKRECKCLKSCKPRYPPDSVRLLGRVVFKLMDGAP SESEKLYSFYDLESNINKLTEDRKEGLRQLVMTFQHFMREEIQDASQLPPAFDLFEAFAK VICNSFTICNAEMQEVGVGLYPSISLLNHSCDPNCSIVFNGPHLLLRAVRDIEVGEELTI CYLDMLMTSEERRKQLRDQYCFECDCFRCQTQDKDADMLTGDEQVWKEVQESLKKIEELK AHWKWEQVLAMCQAIISSNSERLPDINIYQLKVLDCAMDACINLGLLEEALFYGTRTMEP YRIFFPGSHPVRGVQVMKVGKLQLHQGMFPQAMKNLRLAFDIMRVTHGREHSLIEDLILL LEECDANIRAS
| ID | Name | Formula | Copies |
|---|---|---|---|
| SAM | S-adenosylmethionine | C15 H22 N6 O5 S | 1 |
| ZN | Zinc ion | Zn | 3 |
| QKT | Diperodon (S-enantiomer) | C22 H27 N3 O4 | 1 |
Water and common crystallization additives (GOL, ACT) are not listed.
Discovery of an Allosteric Ligand Binding Site in SMYD3 Lysine Methyltransferase. Talibov, V.O., Fabini, E., FitzGerald, E.A. et al. Chembiochem (2021) 22:1597-1608. DOI 10.1002/cbic.202000736
Other PDB entries of the same protein (UniProt Q9H7B4 (AlphaFold model), which also has an AlphaFold model), best resolution first:
MolViewer shows 7BJ1 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.