3MRX

Glycogen phosphorylase complexed with 4-methoxybenzaldehyde-4-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)-thiosemicarbazone

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES	6.7	289	20 mg/ml of protein in a buffer solution containing 10 mM BES pH 6.7, 1 mM EDTA and 3 mM DTT. 6.7mM inhibitor in 20% DMSO soaked with native crystals for 3 hrs, SMALL TUBES, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.31	α = 90
b = 128.31	β = 90
c = 116.05	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	MARMOSAIC 225 mm CCD		2007-11-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX10.1	1.04498	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	1.95	35.58	97.8	0.07	18.3	5	69032	69032		-3

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)
	1.95	2.06	97.2		0.366	5	4.9

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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2PRJ	1.95	31.11	65522	3490	97.36	0.18367	0.18197	0.21606	RANDOM	29.839

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]
0.05			0.05		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.093
r_dihedral_angle_4_deg	19.727
r_dihedral_angle_3_deg	15.636
r_dihedral_angle_1_deg	5.472
r_scangle_it	3.113
r_scbond_it	1.826
r_mcangle_it	1.231
r_angle_refined_deg	1.15
r_mcbond_it	0.632
r_nbtor_refined	0.304
r_nbd_refined	0.181
r_symmetry_vdw_refined	0.144
r_symmetry_hbond_refined	0.104
r_xyhbond_nbd_refined	0.098
r_chiral_restr	0.086
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
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	6608
Nucleic Acid Atoms
Solvent Atoms	324
Heterogen Atoms	50

Software

Software
Software Name	Purpose
REFMAC	refinement
CNS	refinement
HKL-3000	data collection
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing