1KCK

Bacillus circulans strain 251 Cyclodextrin glycosyl transferase mutant N193G

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	MPD. Ca, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.8	55.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 120.686	α = 90
b = 111.162	β = 90
c = 65.944	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	IMAGE PLATE	MACSCIENCE		1995-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-21	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.43	26.64	92.9			34166	31710			17.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2CXG	2.43	26.64	31710	31710	1634	92.9	0.146	0.159	0.205	RANDOM	23

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]
2.98			-1.5		-1.47

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.2
c_scangle_it	2.53
c_scbond_it	1.76
c_mcangle_it	1.7
c_angle_deg	1.1
c_mcbond_it	1.06
c_improper_angle_d	0.67
c_bond_d	0.005
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5260
Nucleic Acid Atoms
Solvent Atoms	433
Heterogen Atoms	137

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
CNS	refinement
CNS	phasing