Solution NMR structure of uncharacterized lipoprotein B from Nitrosomonas europaea. Northeast Structural Genomics target NeR45A
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
2 | 2D 1H-13C HSQC | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
3 | 3D CBCA(CO)NH | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
4 | 3D HNCACB | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
5 | 3D HNCA | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
6 | 3D HN(CO)CA | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
7 | 3D HBHA(CO)NH | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
8 | 3D SIMULTANEOUS 15N-13C NOESY | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
9 | 3D 1H-13C NOESY | 0.86 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 100% D2O | 0.1 | 6.5 | ambient | 298 | |
10 | 3D HCCH-COSY | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
11 | 3D HCCH-TOCSY | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
12 | 3D CCH-TOCSY | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
13 | 2D 1H-13C HSQC | 1.3 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
14 | 3D HNCO | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 | |
15 | 3D HNCACO | 1 mM lipoprotein B, 20 mM MES, 5 mM calcium chloride, 100 mM DTT, 100 mM sodium chloride, 0.02 % sodium azide | 95% H2O/5% D2O | 0.1 | 6.5 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 800 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | 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 (lowest energy) |
Additional NMR Experimental Information | |
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Details | MONOMER BY GEL FILTRATION CHROMATOGRAPHY/LIGHT SCATTERING. STRUCTURE DETERMINED BY TRIPLE RESONANCE NMR SPECTROSCOPY. NOESY ASSIGNMENTS BY CYANA2.1. 20 OF 100 STRUCTURES LOWEST TARGET FUNCTION SELECTED WITH CYANA2.1. SELECTED MODELS ARE FURTHER REFINED USING CNS IN EXPLICIT WATER SHELL (NILGES PROTOCOL WITH PARAM19). ASSIGNMENT STATS (EXCLUDING C-TERM TAG): BACKBONE 98.9%, SIDECHAIN 86.6%, AROMATIC (SC) 78.4%, VL METHYL STEREOSPECIFIC 100%, UNAMBIGUOUS SIDECHAIN NH2 100%. STRUCTURE BASED ON 2279 NOE. MAX NOE VIOLATION 0.46 A (1 MODEL). 22 TOTAL CLOSE CONTACTS PER 20 MODELS. STRUCTURE QUALITY FACTOR (PSVS 1.3): ORDERED RESIDUES RANGES - ALPHA HELICES: (26-38, 114-117, 120-143), BETA STRANDS: (42-44, 16-20, 52-65, 76-89, 100-108, 94-96, 68-69, 73-74) FOR [S(PHI)+S(PSI)] > 1.8. RMSD 0.7 BB, 1.3 ALL HEAVY ATOMS. RAMA. DISTRIBUTION: 90.4/9.5/0.1/0.0. PROCHECK (PSI-PHI): -0.34/-1.02 (RAW/Z), PROCHECK (ALL): -0.35/-2.07 (RAW/Z), MOLPROBITY CLASH: 20.44/-1.98 (RAW/Z). RPF SCORES ALL ASSIGNED RESIDUES (FIT OF NOESY PEAKLISTS TO STRUCTURE): RECALL: 0.868, PRECISION: 0.871, F-MEASURE: 0.869, DP-SCORE: 0.706. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
2 | backbone chemical shift assignment | AutoAssign | 2.4 | Zimmerman, Moseley, Kulikowski and Montelione |
3 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
4 | refinement | CNS | 1.1 | Brunger, Adams, Clore, Gros, Nilges and Read |
5 | validation | PSVS | 1.3 | Bhattacharya and Montelione |
6 | data analysis | Sparky | 3.112 | Goddard |
7 | collection | TopSpin | 1.3 | Bruker Biospin |
8 | visualization | MOLMOL | 2.2 | Koradi, Billeter and Wuthrich |
9 | validation | RPF | 2.1.1 | Huang, Powers and Montelione |
10 | validation | Procheck | Laskowski, MacArthur, Smith, Jones, Hutchinson, Morris, Moss et al. | |
11 | validation | MolProbity | Richardson | |
12 | data analysis | XEASY | Bartels et al. |