2JCO

Crystal structure of wild type alpha-1,3 Galactosyltransferase in the absence of ligands

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		0.1M TRIS-HCL BUFFER PH 8.0 AND 1.4M AMMONIUM SULPHATE

Crystal Properties
Matthews coefficient	Solvent content
3.49	65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.57	α = 90
b = 93.57	β = 90
c = 108.417	γ = 90

Symmetry
Space Group	P 41 21 2

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 CCD	MIRRORS	2005-10-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1		SRS	PX14.1

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	2.57	50	98	0.07	24	18.7		15988

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	2.57	2.66	84.8		0.68	2.11	12

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 1K4V	2.57	27.11	14566	1041	98.3	0.268	0.263	0.328	RANDOM	58.81

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]
-0.06			-0.06		0.13

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.795
r_dihedral_angle_4_deg	22.493
r_dihedral_angle_3_deg	20.96
r_dihedral_angle_1_deg	7.456
r_scangle_it	2.371
r_angle_refined_deg	1.73
r_mcangle_it	1.577
r_scbond_it	1.516
r_mcbond_it	0.869
r_nbtor_refined	0.333
r_nbd_refined	0.25
r_symmetry_vdw_refined	0.248
r_xyhbond_nbd_refined	0.191
r_symmetry_hbond_refined	0.138
r_chiral_restr	0.118
r_bond_refined_d	0.02
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2300
Nucleic Acid Atoms
Solvent Atoms	31
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing