6BJJ

Human ABO(H) blood group glycosyltransferase GTB D302A 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/D302A (68 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
2.28	46.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.69	α = 90
b = 150.32	β = 90
c = 78.98	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++		2006-11-24	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	1.45	19.89	99.5	0.029	0.029	21.1	4.28		55649

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	1.45	1.5	100		0.303	3.6	3.45

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	1.45	75.16	52822	2825	99.42	0.1846	0.1838	0.1999	RANDOM	22.236

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]
-0.59			0.39		0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.822
r_dihedral_angle_4_deg	14.737
r_dihedral_angle_3_deg	10.998
r_dihedral_angle_1_deg	6.193
r_angle_refined_deg	1.435
r_angle_other_deg	0.952
r_chiral_restr	0.084
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2131
Nucleic Acid Atoms
Solvent Atoms	266
Heterogen Atoms

Software

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