3NPA

Glycogen phosphorylase complexed with 2,5-dihydroxy-4-(beta-D-glucopyranosyl)-bromo-benzene

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES	6.7	289	20 mg/mL protein in a buffer consisting of 10 mM BES, 0.5 mM EDTA, 3 mM DTT. T-state GPb crystals soaked with 20 mM inhibitor for 6 hrs, pH 6.7, SMALL TUBES, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.702	α = 90
b = 128.702	β = 90
c = 116.439	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	CCD	MARMOSAIC 225 mm CCD		2005-05-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX10.1	1.488	SRS	PX10.1

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	1.969	30	93.9	0.065	11.3	3.7	64845	64845		-3	26.5

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	1.969	2	90		0.298	4.2	3.8	3109

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2PRJ	1.969	30	61530	61530	3267	93.2	0.19194	0.19082	0.21271	RANDOM	27.836

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]
0.76			0.76		-1.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.647
r_dihedral_angle_4_deg	19.753
r_dihedral_angle_3_deg	14.864
r_dihedral_angle_1_deg	5.03
r_scangle_it	1.905
r_scbond_it	1.202
r_angle_refined_deg	1.022
r_mcangle_it	0.888
r_mcbond_it	0.521
r_nbtor_refined	0.302
r_nbd_refined	0.181
r_symmetry_vdw_refined	0.143
r_xyhbond_nbd_refined	0.093
r_chiral_restr	0.074
r_symmetry_hbond_refined	0.069
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6604
Nucleic Acid Atoms
Solvent Atoms	335
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing