3PSK: Transcription elongation factor SPT6

Crystal Structure of the Spt6 Tandem SH2 Domain from Saccharomyces cerevisiae, Form Native Spt6 (1247-1451). Determined by X-ray diffraction at 2.1 Å resolution. Released 30 Mar 2011.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Saccharomyces cerevisiae
Chains
4
Atoms
6,784
Mol. weight
101.41 kDa
Released
30 Mar 2011

Explore 3PSK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3PSK contains 32 α-helices and 52 β-strands across 4 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.

Chain A: 7 helices, 14 β-strands

ElementResiduesLengthSheet
β-strand124611
β-strand125912
α-helix1264-12718
β-strand1279-128352
β-strand128611
β-strand1290-129892
β-strand1301-1310102
α-helix1318-13192
β-strand1321-132442
β-strand1327-132932
α-helix1332-13343
α-helix1335-13406
α-helix1341-135111
β-strand135613
α-helix1361-137212
β-strand1380-138563
β-strand1392-139873
β-strand1406-141273
β-strand1417-141933
β-strand1422-142433
α-helix1427-143711
Chain B: 8 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand124614
β-strand125915
α-helix1264-12729
β-strand1279-128355
β-strand128614
β-strand1290-129895
β-strand1301-1310105
α-helix1318-13192
β-strand1321-132445
β-strand1327-132935
α-helix1332-13343
α-helix1335-13406
α-helix1341-135111
β-strand135616
α-helix1361-137212
β-strand1380-138676
β-strand1392-139876
α-helix1404-14052
β-strand1406-141276
β-strand1417-141936
β-strand1422-142436
α-helix1427-143812
Chain C: 8 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand125915
α-helix1264-12718
β-strand1279-128355
β-strand1290-129895
β-strand1301-1310105
α-helix1318-13192
β-strand1321-132445
β-strand1327-132935
α-helix1332-13343
α-helix1335-13406
α-helix1341-135111
β-strand135617
α-helix1361-137313
β-strand1380-138567
β-strand1392-139877
α-helix1404-14052
β-strand1406-141277
β-strand1417-141937
β-strand1422-142437
α-helix1427-14348
Chain D: 9 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand125912
α-helix1264-12718
α-helix12751
β-strand1279-128352
β-strand1290-129892
β-strand1301-1310102
α-helix1318-13192
β-strand1321-132442
β-strand1327-132932
α-helix1332-13343
α-helix1335-13406
α-helix1341-135111
β-strand135618
α-helix1361-137313
β-strand1380-138568
β-strand1392-139878
α-helix1404-14052
β-strand1406-141278
β-strand1417-141938
β-strand1422-142438
α-helix1427-143711

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Transcription elongation factor SPT6A, B, C, Dprotein211Saccharomyces cerevisiaeP23615 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>3PSK_1 Transcription elongation factor SPT6 (chains A, B, C, D)
GIDPFTAKRTHRVINHPYYFPFNGRQAEDYLRSKERGEFVIRQSSRGDDHLVITWKLDKD
LFQHIDIQELEKENPLALGKVLIVDNQKYNDLDQIIVEYLQNKVRLLNEMTSSEKFKSGT
KKDVVKFIEDYSRVNPNKSVYYFSLNHDNPGWFYLMFKINANSKLYTWNVKLTNTGYFLV
NYNYPSVIQLCNGFKTLLKSNSSKNRMNNYR

Primary citation

Crystal structures of the S. cerevisiae Spt6 core and C-terminal tandem SH2 domain. Close, D., Johnson, S.J., Sdano, M.A. et al. J Mol Biol (2011) 408:697-713. DOI 10.1016/j.jmb.2011.03.002 · PubMed

Other PDB entries of the same protein (UniProt P23615 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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