1A0J

CRYSTAL STRUCTURE OF A NON-PSYCHROPHILIC TRYPSIN FROM A COLD-ADAPTED FISH SPECIES.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6pH 4.6
Crystal Properties
Matthew coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.907α = 90
b = 83.107β = 90
c = 154.787γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray295IMAGE PLATEMARRESEARCH1996-08-04M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM1AESRFBM1A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.72881.20.1233.65.976357119.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7952.30.2582.92

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3PTB BOVINE TRYPSIN, WITH CORRECT AMINO ACID SEQUENCE SUPERIMPOSED ONTO ANIONIC SALMON TRYPSIN 2TBS.1.78368062386673.0610.1730.1730.215RANDOM22.93
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.35
x_angle_deg2.697
x_improper_angle_d1.087
x_bond_d0.013
x_dihedral_angle_d_prot
x_angle_d_na
x_angle_d
x_angle_deg_na
x_angle_deg_prot
x_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.35
x_angle_deg2.697
x_improper_angle_d1.087
x_bond_d0.013
x_dihedral_angle_d_prot
x_angle_d_na
x_angle_d
x_angle_deg_na
x_angle_deg_prot
x_bond_d_na
x_dihedral_angle_d_na
x_angle_d_prot
x_bond_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6640
Nucleic Acid Atoms
Solvent Atoms379
Heterogen Atoms87

Software

Software
Software NamePurpose
DENZOdata reduction
XDSdata scaling
SCALAdata scaling
AGROVATAdata reduction
CCP4data reduction
AMoREphasing
X-PLORrefinement
XDSdata reduction
CCP4data scaling