3OG2

Native crystal structure of Trichoderma reesei beta-galactosidase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TG7PDB ENTRY 1TG7

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP62988% PEG 8000, 0.1M sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.8456.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.3α = 109.1
b = 69.1β = 97.3
c = 81.5γ = 114.5
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2008-04-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.97926ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.22090.63765883410733.28
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.21.390.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE RPDB ENTRY 1TG71.2203239663069141705286.20.13920.1390.1709RANDOM
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
278904
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.089
s_zero_chiral_vol0.08
s_similar_adp_cmpnt0.049
s_anti_bump_dis_restr0.034
s_from_restr_planes0.0309
s_angle_d0.03
s_bond_d0.014
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7622
Nucleic Acid Atoms
Solvent Atoms993
Heterogen Atoms289

Software

Software
Software NamePurpose
MxCuBEdata collection
MOLREPphasing
SHELXL-97refinement
XDSdata reduction
XSCALEdata scaling