2RIZ

Unliganded B-specific-1,3-galactosyltransferase G176R mutant (ABBB)

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
2.27	45.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.53	α = 90
b = 149.58	β = 90
c = 79.64	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++		2006-07-06	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	1.45	19.8	91.5	0.025	29.7	4.27		51207

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	86.1		0.228	4.6	3.63	4767

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	1.45	19.8	51207	2611	91.52	0.21	0.209	0.228	RANDOM	18.032

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]
-0.04			0.07		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.962
r_dihedral_angle_4_deg	17.211
r_dihedral_angle_3_deg	13.374
r_dihedral_angle_1_deg	5.936
r_scangle_it	2.618
r_scbond_it	1.713
r_angle_refined_deg	1.29
r_mcangle_it	1.204
r_mcbond_it	0.755
r_nbtor_refined	0.315
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.199
r_xyhbond_nbd_refined	0.127
r_symmetry_hbond_refined	0.113
r_chiral_restr	0.092
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2340
Nucleic Acid Atoms
Solvent Atoms	236
Heterogen Atoms	6

Software

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