1AM5

THE CRYSTAL STRUCTURE AND PROPOSED AMINO ACID SEQUENCE OF A PEPSIN FROM ATLANTIC COD (GADUS MORHUA)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.47.5 % 2-PROPANOL, 100 MM SODIUM ACETATE PH 5.4
Crystal Properties
Matthews coefficientSolvent content
2.1543

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.98α = 90
b = 75.4β = 90
c = 108.1γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray291DIFFRACTOMETERENRAF-NONIUS FASTCOLLIMATOR1995-10-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1BRUKER NONIUS

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.162083.70.06610.82.713687122.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.162.2841.40.2213.51.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 5PEP2.1683133150.2080.224RANDOM17.22
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
p_chiral_restr0.196
p_planar_d0.091
p_angle_d0.071
p_bond_d0.02
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
RMS Deviations
KeyRefinement Restraint Deviation
p_chiral_restr0.196
p_planar_d0.091
p_angle_d0.071
p_bond_d0.02
p_angle_deg
p_hb_or_metal_coord
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_plane_restr
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2395
Nucleic Acid Atoms
Solvent Atoms161
Heterogen Atoms

Software

Software
Software NamePurpose
MADNESdata collection
CCP4data reduction
X-PLORmodel building
PROLSQrefinement
X-PLORrefinement
MADNESdata reduction
CCP4data scaling
X-PLORphasing