1AQB

RETINOL-BINDING PROTEIN (RBP) FROM PIG PLASMA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.8SITTING DROP VAPOR DIFFUSION METHOD, AT A FINAL PROTEIN CONCENTRATION OF 8 MG/ML IN THE PRESENCE OF 8% 2-METHYL-2,4-PENTANEDIOL, 3 MM CADMIUM ACETATE, 0.1 M TRIS-ACETATE, PH=6.8, vapor diffusion - sitting drop
Crystal Properties
Matthews coefficientSolvent content
2.141

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.81α = 90
b = 53.137β = 90
c = 72.966γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray300AREA DETECTORSIEMENS1996-09-19M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEMACSCIENCE M18X

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.6555910.0640.06484.220127
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.651.72560.190.1942.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1HBP1.655520090100190.50.19420.18440.2372EVERY 20TH REFLECTION
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
352726284
RMS Deviations
KeyRefinement Restraint Deviation
s_from_restr_planes0.2
s_zero_chiral_vol0.2
s_non_zero_chiral_vol0.2
s_bond_d0.03
s_angle_d0.03
s_similar_dist0.03
s_anti_bump_dis_restr0.01
s_rigid_bond_adp_cmpnt
s_similar_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1428
Nucleic Acid Atoms
Solvent Atoms124
Heterogen Atoms22

Software

Software
Software NamePurpose
SAINTdata scaling
SAINTdata reduction
SHELXL-93model building
X-PLORmodel building
SHELXL-93refinement
X-PLORrefinement
SHELXL-93phasing
X-PLORphasing