1T0O

The structure of alpha-galactosidase from Trichoderma reesei complexed with beta-D-galactose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	EG 6000, potassium phosphate, sodium phosphate, D-galactose, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.834	α = 90
b = 58.313	β = 90
c = 153.66	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	MARRESEARCH		1998-09-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.54	LNLS	D03B-MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2	9.9	63.6	0.07	10.1	2.9		28741		1	25.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	64		0.364

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1SZN	1.96	9	26738	24004	2659	72.35	0.169	0.15686	0.15141	0.20491	RANDOM	25.205

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]
1.78			-0.5		-1.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.975
r_dihedral_angle_1_deg	5.556
r_scangle_it	3.118
r_scbond_it	1.938
r_angle_refined_deg	1.594
r_mcangle_it	1.237
r_mcbond_it	0.663
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.975
r_dihedral_angle_1_deg	5.556
r_scangle_it	3.118
r_scbond_it	1.938
r_angle_refined_deg	1.594
r_mcangle_it	1.237
r_mcbond_it	0.663
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.21
r_xyhbond_nbd_refined	0.15
r_chiral_restr	0.139
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3213
Nucleic Acid Atoms
Solvent Atoms	384
Heterogen Atoms	201

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.