1GGN

Structures of glycogen phosphorylase-inhibitor complexes and the implications for structure-based drug design

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PRJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.7		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 100 MM CONCENTRATION OF THE COMPOUND. , pH 6.70

Crystal Properties
Matthews coefficient	Solvent content
2.47	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.5	α = 90
b = 128.5	β = 90
c = 116.3	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	AREA DETECTOR	NICOLET		1994-11-11	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	2.36	14.8	78.2	0.074				31588

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.36	2.47

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	2.36	14.8	31588	1595	78.2	0.189	0.189	0.233	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_angle_deg	1.4
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
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
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	220
Heterogen Atoms	32

Software

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