2XG3

Human galectin-3 in complex with a benzamido-N-acetyllactoseamine inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherGALECTIN-3C IN COMPLEX WITH COMPOUND 354

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.5pH 7.5
Crystal Properties
Matthews coefficientSolvent content
1.7329

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.8α = 90
b = 57.69β = 90
c = 62.41γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105CCDMARRESEARCH SX-165MULTILAYER MIRROR2009-03-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-2MAX III911-2

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
11.22599.60.0811.56.741094-10
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)
11.21.2396.90.662.24.9

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-VALUEGALECTIN-3C IN COMPLEX WITH COMPOUND 3541.22539025205094.80.14140.13850.1934RANDOM
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
4511491364
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.097
s_zero_chiral_vol0.08
s_non_zero_chiral_vol0.07
s_similar_adp_cmpnt0.05
s_from_restr_planes0.0365
s_angle_d0.031
s_anti_bump_dis_restr0.022
s_bond_d0.011
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1106
Nucleic Acid Atoms
Solvent Atoms231
Heterogen Atoms35

Software

Software
Software NamePurpose
SHELXL-97refinement
XDSdata reduction
XSCALEdata scaling
SHELXLphasing