3VGF

Crystal structure of glycosyltrehalose trehalohydrolase (D252S) complexed with maltotriosyltrehalose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	1.1M sodium citrate, 0.1M HEPES, 5mM MTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.87	68.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.441	α = 90
b = 78.441	β = 90
c = 282.277	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4r	mirrors	2001-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL40B2	1.0000	SPring-8	BL40B2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.3	94.09	99.9	0.087	40.5	9.6		45920

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	99.3		0.366	4.5	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1EH9	2.3	68	45823	2314	99.82	0.1794	0.1774	0.2176	RANDOM	47.1878

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]
2.92	1.46		2.92		-4.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.309
r_dihedral_angle_3_deg	19.687
r_dihedral_angle_4_deg	16.75
r_dihedral_angle_1_deg	6.668
r_scangle_it	3.999
r_scbond_it	2.556
r_angle_refined_deg	1.694
r_mcangle_it	1.521
r_mcbond_it	0.792
r_chiral_restr	0.153

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.309
r_dihedral_angle_3_deg	19.687
r_dihedral_angle_4_deg	16.75
r_dihedral_angle_1_deg	6.668
r_scangle_it	3.999
r_scbond_it	2.556
r_angle_refined_deg	1.694
r_mcangle_it	1.521
r_mcbond_it	0.792
r_chiral_restr	0.153
r_bond_refined_d	0.017
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4552
Nucleic Acid Atoms
Solvent Atoms	252
Heterogen Atoms	83

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.