2K2N

Solution structure of a cyanobacterial phytochrome GAF domain in the red light-absorbing ground state


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1.7 mM [U-13C; U-15N] SyB-Cph1(GAF), 1.7 mM PHYCOCYANOBILIN, 10 mM [U-2H] Tris-DCl, 0.03 % NaN3, 93% H2O/7% D2O
Solvent93% H2O/7% D2O
Ionic Strength0.01
pH8.5
Pressureambient
Temperature (K)298
Experiment(s):2D 1H-15N HSQC, 3D 1H-13C NOESY, 3D HNCO, 3D CBCA(CO)NH, 3D HNCACB, 3D HBHA(CO)NH, 3D H(CCO)NH, 3D C(CO)NH, 3D HCCH-TOCSY, 3D 1H-15N NOESY
Sample Contents2 mM SyB-Cph1(GAF), 2 mM [U-15N] PHYCOCYANOBILIN, 10 mM [U-2H] Tris-DCl, 0.03 % NaN3, 93% H2O/7% D2O
Solvent93% H2O/7% D2O
Ionic Strength0.01
pH8.5
Pressureambient
Temperature (K)298
Experiment(s):3D 1H-15N NOESY
Sample Contents1 mM SyB-Cph1(GAF), 1 mM [U-13C] PHYCOCYANOBILIN, 10 mM [U-2H] Tris-DCl, 0.03 % NaN3, 100% D2O
Solvent100% D2O
Ionic Strength0.01
pH8.5
Pressureambient
Temperature (K)298
Experiment(s):3D 1H-13C NOESY
Sample Contents1 mM [U-13C; U-15N] SyB-Cph1(GAF), 1 mM PHYCOCYANOBILIN, 10 mM [U-2H] Tris-DCl, 0.03 % NaN3, 93% H2O/7% D2O
Solvent93% H2O/7% D2O
Ionic Strength0.01
pH8.5
Pressureambient
Temperature (K)306
Experiment(s):3D HNCO antiphase, 3D HCA(CO)N antiphase
Sample Contents0.5 mM SyB-Cph1(GAF), 0.5 mM [U-13C] PHYCOCYANOBILIN, 10 mM [U-2H] Tris-DCl, 0.03 % NaN3, 93% H2O/7% D2O
Solvent93% H2O/7% D2O
Ionic Strength0.01
pH8.5
Pressureambient
Temperature (K)298
Experiment(s):J modulated 2D 1H-13C HSQC
Spectrometer Information
Manufacturer Model Field Strength
Varian INOVA 600.0
Varian INOVA 800.0
Bruker Avance 600.0
NMR Refinement
Method torsion angle molecular dynamics, internal variable dynamics
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 100
Conformers Submitted Total Number 20
Representative Model Choice Rationale
1 lowest energy
Computation: NMR Software
# Classification Software Name Author
1 collection xwinnmr Bruker Biospin
2 collection VNMRJ Varian
3 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4 data analysis NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5 peak picking NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6 chemical shift assignment NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
7 peak picking PIPP Garrett
8 chemical shift assignment PIPP Garrett
9 data analysis TALOS Cornilescu, Delaglio and Bax
10 structure solution X-PLOR_NIH Schwieters, Kuszewski, Tjandra and Clore
11 geometry optimization X-PLOR_NIH Schwieters, Kuszewski, Tjandra and Clore
12 refinement X-PLOR_NIH Schwieters, Kuszewski, Tjandra and Clore
13 data analysis Molmol Koradi, Billeter and Wuthrich
14 data analysis ProcheckNMR Laskowski and MacArthur