5M4S: PDB entry 5M4S

Transcription factor TFIIA as a single chain protein. Determined by X-ray diffraction at 2.38 Å resolution. Released 29 Nov 2017.

Method
X-ray diffraction
Resolution
2.38 Å
Organism
Homo sapiens
Chains
1
Atoms
1,739
Mol. weight
24.13 kDa
Released
29 Nov 2017

Explore 5M4S in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

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.

Chain A: 6 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix4-74
α-helix10-2415
α-helix30-5122
β-strand55-68141
β-strand71-82121
β-strand87-99131
α-helix115-13319
α-helix138-15417
α-helix164-1674
β-strand168-179121
β-strand182-194131
β-strand197-209131

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Transcription initiation factor IIA subunit 2,Transcription initiation factor IIA subunit…Aprotein209Homo sapiensP52655 (AlphaFold model), P52657 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>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

Primary citation

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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