2KCT

Solution nmr structure of the ob-fold domain of heme chaperone ccme from desulfovibrio vulgaris. northeast structural genomics target dvr115g.


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D 1H-15N HSQC1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
22D 1H-13C HSQC1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
33D SIMULTANEOUS CN NOESY1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
43D 1H-13C NOESY aromatic1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
52D 1H-13C HSQC HIGH RES. (L/V METHYL STEREOASSIGNMENT)1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
63D HNCO1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
73D HN(CO)CA1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
83D CBCA(CO)NH1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
93D HNCACB1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
103D HBHA(CO)NH1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
113D HN(CA)CO1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
123D C(CO)NH TOCSY1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
133D HCCH-COSY ALIPHATIC1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
143D HCCH- TOCSY ALIPHATIC1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
153D (H)CCH- TOCSY ALIPHATIC1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
163D HNHA1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
172D 1H-15N HETNOE1.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
181D 1H-15N T1 AND T21.3 mM [U-100% 13C; U-100% 15N] DvR115G, 20 mM ammonium acetate, 200 mM sodium chloride, 5 mM calcium chloride, 10 mM DTT, 0.02 % sodium azide, 50 uM DSS90% H2O/10% D2O0.24.5AMBIENT298
192D 1H-15N TROSY (for N-H RDC's)10 % [U-5% 13C; U-100% 15N] DvR115G, 4.2 % PEG/hexanol95% H2O/5% D2O0.24.5AMBIENT298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAVANCE800
2VarianINOVA600
NMR Refinement
MethodDetailsSoftware
simulated annealingTHE FINAL STRUCTURES ARE BASED ON A TOTAL OF 1384 CONFORMATIONALLY-RESTRICTING NOE-DERIVED DISTANCE CONSTRAINTS AND 79 DIHEDRAL ANGLE CONSTRAINTS; 0 HYDROGEN BOND CONSTRAINTS (16.8 CONSTRAINTS PER RESIDUE, 6.0 LONG RANGE CONSTRAINTS PER RESIDUE, COMPUTED FOR RESIDUES 43 TO 130 BY PSVS 1.3). IN ADDITION, 49 RESOLVED N-H RESIDUAL DIPOLAR COUPLINGS FOR ORDERED RESIDUES WERE INCLUDED IN ALL STRUCTURE CALCULATIONS. STRUCTURE DETERMINATION WAS PERFORMED ITERATIVELY USING CYANA 3.0. THE 20 STRUCTURES OUT OF 100 WITH THE LOWEST TARGET FUNCTION WERE FURTHER REFINED BY RESTRAINED MOLECULAR DYNAMICS/ENERGY MINIMIZATION IN EXPLICIT WATER (CNS) WITH PARAM19.CNS
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number20
Representative Model1 (n/a)
Additional NMR Experimental Information
DetailsTHE PROTEIN IS MONOMERIC BY GEL FILTRATION CHROMATOGRAPHY, STATIC LIGHT SCATTERING AND 15N T1/T2 RELAXATION. THE STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE NMR SPECTROSCOPY. AUTOMATED BACKBONE ASSIGNMENTS WERE MADE USING AUTOASSIGN AND PINE, AND THE SIDE CHAIN ASSIGNMENTS WERE COMPLETED MANUALLY. AUTOMATIC NOESY ASSIGNMENTS WERE DETERMINED USING CYANA 3.0. BACKBONE (PHI/ PSI) DIHEDRAL ANGLE CONSTRAINTS WERE OBTAINED FROM TALOS. ROTAMER STATES OF SPECIFIC ORDERED RESIDUES WERE CONSTRAINED IN THE FINAL STAGE OF THE STRUCTURE REFINEMENT BASED ON PROCHECK. COMPLETENESS OF NMR ASSIGNMENTS (EXCLUDING C- TERMINAL HHHHHH): BACKBONE, 98.6%, SIDE CHAIN, 97.2%, AROMATICS, 100%, STEREOSPECIFIC METHYL, 100%, STEREOSPECIFIC SIDE CHAIN NH2: 100%. FINAL STRUCTURE QUALITY FACTORS (FOR RESIDUES 43 TO 130, PSVS 1.3), WHERE ORDERED RESIDUES [S(PHI) + S(PSI) > 1.8] COMPRISE: 52-67,70-79,86-112,115-127: (A) RMSD (ORDERED RESIDUES): BB, 0.5, HEAVY ATOM, 0.9. (B) RAMACHANDRAN STATISTICS FOR ORDERED RESIDUES: MOST FAVORED, 93.9%, ADDITIONALLY ALLOWED, 6.1%, GENEROUSLY ALLOWED, 0.0%, DISALLOWED, 0.0%. (C) PROCHECK SCORES FOR ORDERED RESIDUES (RAW/Z-): PHI-PSI, -0.62/-2.12, ALL, -0.43/-2.54. (D) MOLPROBITY CLASH SCORE (RAW/Z-): 10.87/-0.34 (E) RPF SCORES FOR GOODNESS OF FIT TO NOESY DATA (RESIDUES 43-130): RECALL, 0.984, PRECISION, 0.915, F-MEASURE, 0.948, DP-SCORE, 0.795. (F) NUMBER OF CLOSE CONTACTS PER 20 MODELS: 4. (G) AGREEMENT WITH RESIDUAL DIPOLAR COUPLINGS (20 MODELS): CORRELATION COEFFICIENT (R): 0.995 (0.001); Q RMS: 0.096 (0.011). THE C- TERMINAL HIS TAG RESIDUES OF THE PROTEIN (HHHHHH) WERE NOT INCLUDED IN THE STRUCTURE CALCULATIONS AND HAVE BEEN OMITTED FROM THIS DEPOSITION. COORDINATES FOR THE FOLLOWING RESIDUES ARE NOT WELL DETERMINED [S(PHI) + S(PSI) < 1.8]: 43-51,68-69, 80-85,113-114,128-130.
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementCNS1.1BRUNGER, ADAMS, CLORE, GROS, NILGES
2structure solutionTopSpin2.1
3structure solutionVnmrJ2.1B
4structure solutionNMRPipe2.3
5structure solutionSparky3.112
6structure solutionPINE
7structure solutionAutoAssign2.4.0
8structure solutionCYANA3.0
9structure solutionAutoStructure2.2.1
10structure solutionPSVS1.3
11structure solutionPdbStat5.1
12structure solutionPALES