3GGC

Human hypoxanthine-guanine phosphoribosyltransferase in complex with 9-(2-phosphonoethoxyethyl)hypoxanthine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		0.1M citrate, 10% iso-propanol, 29% PEG 4000, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.284	α = 90
b = 72.775	β = 90
c = 50.993	γ = 90

Symmetry
Space Group	P 21 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	100	IMAGE PLATE	RIGAKU			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	1.0	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.78	111.11	99.8	0.134	0.134	27.5	6.7	10911	10911

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.78	2.85	99.8		0.254	0.254	15.6	5.5	1080

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	3GEP	2.78	37.59	10911	10380	523	99.67	0.23081	0.22813	0.28465	RANDOM	28.667

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]
-0.06			-0.27		0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.854
r_dihedral_angle_4_deg	19.363
r_dihedral_angle_3_deg	18.861
r_dihedral_angle_1_deg	5.562
r_scangle_it	0.987
r_angle_refined_deg	0.985
r_mcangle_it	0.818
r_scbond_it	0.548
r_mcbond_it	0.453
r_chiral_restr	0.07
r_bond_refined_d	0.004
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	3292
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms	38

Software

Software
Software Name	Purpose
CrystalClear	data collection
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling