1TF9

Streptomyces griseus aminopeptidase complexed with P-Iodo-L-Phenylalanine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5298PEG 4000, sodium acetate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthew coefficientSolvent content
2.2444.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.053α = 90
b = 61.053β = 90
c = 144.502γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDADSC QUANTUM 42001-09-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12B0.9793NSLSX12B

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
11.32092.70.04517.2116316863168
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)
1.31.3257.80.16211

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDifference fourier from previously determined, related structureFREE R1.3206316863168314892.70.12210.1722RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
232505.59
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.081
s_zero_chiral_vol0.076
s_non_zero_chiral_vol0.076
s_angle_d0.028
s_from_restr_planes0.0274
s_similar_adp_cmpnt0.025
s_anti_bump_dis_restr0.019
s_bond_d0.012
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2043
Nucleic Acid Atoms
Solvent Atoms453
Heterogen Atoms16

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXmodel building
SHELXL-97refinement
CNSphasing