Transcription factor TFIIA as a single chain protein. Determined by X-ray diffraction at 2.38 Å resolution. Released 29 Nov 2017.
Explore 5M4S in 3D Show helices and sheets RCSB PDB PDBe
5M4S contains 6 α-helices and 6 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 | 4-7 | 4 | |
| α-helix | 10-24 | 15 | |
| α-helix | 30-51 | 22 | |
| β-strand | 55-68 | 14 | 1 |
| β-strand | 71-82 | 12 | 1 |
| β-strand | 87-99 | 13 | 1 |
| α-helix | 115-133 | 19 | |
| α-helix | 138-154 | 17 | |
| α-helix | 164-167 | 4 | |
| β-strand | 168-179 | 12 | 1 |
| β-strand | 182-194 | 13 | 1 |
| β-strand | 197-209 | 13 | 1 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Transcription initiation factor IIA subunit 2,Transcription initiation factor IIA subunit… | A | protein | 209 | Homo sapiens | P52655 (AlphaFold model), P52657 (AlphaFold model) |
>5M4S_1 Transcription initiation factor IIA subunit 2,Transcription initiation factor IIA subunit 1,Transcription initiation factor IIA subunit 1 (chains A) AYQLYRNTTLGNSLQESLDELIQSQQITPQLALQVLLQFDKAINAALAQRVRNRVNFRGS LNTYRFCDNVWTFVLNDVEVREVTELIKVDKVKIVACDGKNTANSANTNTVPKLYRSVIE DVINDVRDIFLDDGVDEQVLMELKTLWENKLMQSRAVDGELFDTENVVVCQYDKIHRSKN KWKFHLKDGIMNLNGRDYIFSKAIGDAEW
Architecture of TAF11/TAF13/TBP complex suggests novel regulation properties of general transcription factor TFIID. Gupta, K., Watson, A.A., Baptista, T. et al. Elife (2017) 6. DOI 10.7554/eLife.30395 · PubMed
Other PDB entries of the same protein (UniProt P52655 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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