1XSB
Structure of the nudix enzyme AP4A hydrolase from homo sapiens (E63A mutant) in complex with ATP. No ATP restraints included
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | C HSQC-NOESY | 1.0mM human AP4A hydrolase | 20mM MgCl2, 20mM imidazole, pH 6.5, 90% H2O 10% D2O, 10mM DTT, 1mM EDTA, 1.5mM ATP | 52.5mM | 6.5 | ambient | 293 | |
2 | 3D_15N-separated_NOESY | 1.0mM human AP4A hydrolase | 20mM MgCl2, 20mM imidazole, pH 6.5, 90% H2O 10% D2O, 10mM DTT, 1mM EDTA, 1.5mM ATP | 52.5mM | 6.5 | ambient | 293 | |
3 | 13C HSQC-NOESY | 1.0mM human AP4A hydrolase | 20mM MgCl2, 20mM imidazole, pH 6.5, 100% D2O, 10mM DTT, 1mM EDTA, 1.5mM ATP | 52.5mM | 6.5 | ambient | 293 | |
4 | 13C NOESY-HSQC aromatic region | 1.0mM human AP4A hydrolase | 20mM MgCl2, 20mM imidazole, pH 6.5, 100% D2O, 10mM DTT, 1mM EDTA, 1.5mM ATP | 52.5mM | 6.5 | ambient | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 600 |
2 | Varian | INOVA | 500 |
NMR Refinement | ||
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Method | Details | Software |
CANDID xplor-NIH RAMA potential. Refine against CA & CB shifts. | CYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 39 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
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Details | Residues 1 and 2 are cganged from GP to Alanine in the calculations. These are non native from precission cleavage site and are unstructured. ATP constraints are not included. Different calculation protocol is used for this and deposited separately (lower temp, slower cooling). |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CYANA | 1.0.7 | P Guntert |
2 | refinement | XPLOR-NIH | 2.9.1 |