1HLF

BINDING OF GLUCOPYRANOSYLIDENE-SPIRO-THIOHYDANTOIN TO GLYCOGEN PHOSPHORYLASE B: KINETIC AND CRYSTALLOGRAPHIC STUD

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES	6.7	289	CRYSTALLIZATION CONDITIONS: T-STATE GPB CRYSTALS (OIKONOMAKOS ET AL., 1985, BBA 832, 248) WERE SOAKED FOR 1 H IN A BUFFERED SOLUTION [10 MM BES, 0.1 MM EDTA, PH 6.7] CONTAINING A 70 MM CONCENTRATION OF THE COMPOUND, pH 6.70, SMALL TUBES, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.47	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.787	α = 90
b = 128.787	β = 90
c = 116.169	γ = 90

Symmetry
Space Group	P 43 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	298	IMAGE PLATE	RIGAKU RAXIS IV		1996-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.5418

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	2.26	28.06	97.4	0.041		3.8		45104

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	2.26	2.3	99.9		0.158

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	OTHER	THROUGHOUT	2PRJ	2.26	28.06	45104	2278	97.4	0.193	0.193	0.221	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	25.4
x_angle_deg	1.4
x_improper_angle_d	0.75
x_bond_d	0.008
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6749
Nucleic Acid Atoms
Solvent Atoms	243
Heterogen Atoms	32

Software

Software
Software Name	Purpose
CCP4	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
CCP4	phasing