6BJK

Human ABO(H) blood group glycosyltransferase GTB D302C mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES		277	Spontaneous crystals were recovered from concentrated stocks of GTB/D302C (55 mg/mL) stored in 50 mM MOPS, pH 7.00, 0.1 M sodium chloride, 1 mM DTT, 5 mM manganese chloride, and kept at 277 K.

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.49	α = 90
b = 150.26	β = 90
c = 78.32	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++		2005-12-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.12	19.58	95.3	0.088	0.088	9.1	4.68		17135

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	2.12	2.2	98.8		0.294	3.9	4.56

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	PDB entry 1LZ7	2.12	19.58	16261	874	95.07	0.1953	0.1929	0.24	RANDOM	35.243

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]
-1.8			-1.4		3.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.342
r_dihedral_angle_4_deg	16.808
r_dihedral_angle_3_deg	13.415
r_dihedral_angle_1_deg	6.362
r_mcangle_it	2.218
r_mcbond_it	1.398
r_mcbond_other	1.387
r_angle_refined_deg	1.329
r_angle_other_deg	0.936
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2133
Nucleic Acid Atoms
Solvent Atoms	122
Heterogen Atoms	6

Software

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