2OFF

The crystal structure of Glycogen Phosphorylase b in complex with a potent allosteric inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES	6.7	289	Bes 10mM, EDTA, DTT, pH 6.7, SMALL TUBES, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.78	α = 90
b = 128.78	β = 90
c = 116.051	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	293	CCD	ADSC QUANTUM 4		2006-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1	1.488	SRS	PX14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.2	90.9	97.2	0.107	11.1	6.3	48704	48704		-3	32.592

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.24	95.5		0.431	4.7	6.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	FOURIER SYNTHESIS	THROUGHOUT	2.2	90.9	46201	46201	2474	97.14	0.18525	0.18372	0.21316	RANDOM	31.392

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]
0.66			0.66		-1.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.943
r_dihedral_angle_4_deg	19.23
r_dihedral_angle_3_deg	15.58
r_dihedral_angle_1_deg	5.234
r_scangle_it	2.028
r_scbond_it	1.224
r_angle_refined_deg	1.071
r_mcangle_it	0.918
r_mcbond_it	0.537
r_nbtor_refined	0.302

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.943
r_dihedral_angle_4_deg	19.23
r_dihedral_angle_3_deg	15.58
r_dihedral_angle_1_deg	5.234
r_scangle_it	2.028
r_scbond_it	1.224
r_angle_refined_deg	1.071
r_mcangle_it	0.918
r_mcbond_it	0.537
r_nbtor_refined	0.302
r_nbd_refined	0.182
r_symmetry_vdw_refined	0.132
r_symmetry_hbond_refined	0.12
r_xyhbond_nbd_refined	0.112
r_chiral_restr	0.077
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6604
Nucleic Acid Atoms
Solvent Atoms	290
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.