Solution NMR structure of 8-residue Rosetta-designed cyclic peptide D8.21 in 50% d6-DMSO and 50% water with cis/trans switching (CC conformation, 50%)
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 1D 1H | 6 mg/L peptide, 0.03 % TMS | 50% H2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
2 | 2D 1H-1H NOESY | 6 mg/L peptide, 0.03 % TMS | 50% H2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
3 | 1D 1H | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
4 | 2D 1H-1H NOESY | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
5 | 2D 1H-1H TOCSY | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
6 | 2D 1H-1H COSY | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
7 | 2D 1H-1H ROESY | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
10 | 2D 1H-13C HSQC | 6 mg/L peptide, 0.03 % TMS | 50% D2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
8 | 2D 1H-15N SOFAST | 6 mg/L peptide, 0.03 % TMS | 50% H2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE III 600 |
9 | 1H-13C HSQC-TOCSY | 6 mg/L peptide, 0.03 % TMS | 50% H2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE II 600 |
11 | 1H-13C HMBC | 6 mg/L peptide, 0.03 % TMS | 50% H2O / 50% DMSO | NA | 0.0 | 1 atm | 293 | Bruker AVANCE II 600 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE III | 600 |
2 | Bruker | AVANCE II | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
na | This is conformation A (CC) of the same 8-residue cyclic peptide present in the same NMR sample in 50% d6-DMSO and 50% water. TT symmetric conformation has trans DPR3 and trans DPR7 (7UBF, 50%). CC symmetric conformation has cis DPR3 and cis DPR7 (50%). | CYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (medoid) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | CYANA | 3.98.13 | Guntert , Mumenthaler, and Wuthrich |
2 | peak picking | NMRFAM-SPARKY | 1.370 | Lee, Tonelli, Markley |
3 | processing | NMRPipe | 10.9 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |
4 | data analysis | PdbStat | 5.21.6 | modified for non-standard amino acids and cyclic peptide analysis |
5 | structure calculation | CYANA | 3.98.13 | Guntert , Mumenthaler, and Wuthrich |