3WT1: Protein disulfide-isomerase

Crystal structure of the b'-a' domain of thermophilic fungal protein disulfide isomerase (reduced form). Determined by X-ray diffraction at 1.85 Å resolution. Released 26 Nov 2014.

Method
X-ray diffraction
Resolution
1.85 Å
Organism
Humicola insolens
Chains
4
Atoms
7,831
Mol. weight
108.42 kDa
Released
26 Nov 2014

Explore 3WT1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3WT1 contains 51 α-helices and 40 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: 13 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand211-21221
α-helix218-2236
β-strand228-23361
α-helix236-25217
β-strand258-26361
α-helix264-2674
α-helix268-2747
α-helix276-2772
β-strand283-28861
β-strand293-29641
α-helix297-2982
α-helix305-31612
α-helix321-3233
α-helix327-3304
β-strand338-34032
α-helix342-3443
α-helix345-3495
β-strand355-36172
α-helix366-38419
β-strand391-39772
β-strand412-41652
β-strand425-42622
α-helix433-44311
Chain B: 12 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand210-21233
α-helix218-2236
β-strand228-23363
α-helix236-25217
β-strand258-26363
α-helix264-2674
α-helix268-2747
α-helix276-2772
β-strand283-28863
β-strand293-29643
α-helix305-31612
α-helix321-3233
α-helix327-3304
β-strand338-34034
α-helix342-3443
α-helix345-3495
β-strand355-36174
α-helix366-38419
β-strand391-39774
β-strand412-41654
β-strand425-42624
α-helix433-44311
Chains C and D: 13 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand210-21235
α-helix218-2236
β-strand228-23365
α-helix236-25217
β-strand258-26365
α-helix264-2674
α-helix268-2747
α-helix276-2772
β-strand283-28865
β-strand293-29645
α-helix297-2982
α-helix305-31612
α-helix321-3233
α-helix327-3304
β-strand338-34036
α-helix342-3443
α-helix345-3495
β-strand355-36176
α-helix366-38419
β-strand391-39776
β-strand412-41656
β-strand425-42626
α-helix433-44311

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein disulfide-isomeraseA, B, C, Dprotein247Humicola insolensP55059 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>3WT1_1 Protein disulfide-isomerase (chains A, B, C, D)
GPLGSPLIGEIGPETYSDYMSAGIPLAYIFAETAEERKELSDKLKPIAEAQRGVINFGTI
DAKAFGAHAGNLNLKTDKFPAFAIQEVAKNQKFPFDQEKEITFEAIKAFVDDFVAGKIEP
SIKSEPIPEKQEGPVTVVVAKNYNEIVLDDTKDVLIEFYAPWCGHCKALAPKYEELGALY
AKSEFKDRVVIAKVDATANDVPDEIQGFPTIKLYPAGAKGQPVTYSGSRTVEDLIKFIAE
NGKYKAA

Primary citation

Redox-dependent conformational transition of catalytic domain of protein disulfide isomerase indicated by crystal structure-based molecular dynamics simulation. Inagaki, K., Satoh, T., Itoh, S.G. et al. Chem Phys Lett (2015) 618:203-207. DOI 10.1016/j.cplett.2014.11.017

Other PDB entries of the same protein (UniProt P55059 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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