2RJ8

B-specific alpha-1,3-galactosyltransferase (GTB) +UDP+ H-antigen disaccharide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	7.5	298	PEG4000 Glycerol MgCl NH2SO4, pH 7.5, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.45	α = 90
b = 149.6	β = 90
c = 78.74	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	IMAGE PLATE	RIGAKU RAXIS IV++		2007-03-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU

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	1.69	20	99.5	0.048	15.1	4.87		34923

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	1.69	1.75	99.9		0.324	3.5	4.21	3462

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.69	20	34921	1757	99.44	0.199	0.198	0.222	RANDOM	22.754

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]
-0.62			-0.5		1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.524
r_dihedral_angle_4_deg	17.63
r_dihedral_angle_3_deg	13.273
r_dihedral_angle_1_deg	6.062
r_scangle_it	3.094
r_scbond_it	2.035
r_angle_refined_deg	1.413
r_mcangle_it	1.306
r_mcbond_it	0.875
r_nbtor_refined	0.306
r_nbd_refined	0.203
r_symmetry_vdw_refined	0.187
r_symmetry_hbond_refined	0.136
r_xyhbond_nbd_refined	0.13
r_chiral_restr	0.101
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2326
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	54

Software

Software
Software Name	Purpose
d*TREK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
d*TREK	data reduction