3GEP

Human hypoxanthine guanine phosphoribosyltranserfase in complex with (S)-9-(3-hydroxy-2-phosphonylmethoxypropyl)guanine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	0.1M citrate, 10% isopropanol, 29% PEG 4000, 3.9mM (RS)- HPMPG, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.122	α = 90
b = 72.59	β = 90
c = 51.282	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	CCD	RIGAKU SATURN 944	mirrors	2007-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.54

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	2.6	29.63	99.5	0.079	0.079	9.3	4.5	13343	13343

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)
	2.6	2.69	99.4		0.179	0.179	4.5	4.3	1334

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	MOLECULAR REPLACEMENT	THROUGHOUT	1Z7G	2.6	29.63	12298	666	97.53	0.24984	0.24725	0.2983	RANDOM	45.26

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]
-0.43			0.15		0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.402
r_dihedral_angle_4_deg	24.593
r_dihedral_angle_3_deg	19.28
r_dihedral_angle_1_deg	8.287
r_mcangle_it	5.521
r_mcbond_it	3.771
r_scangle_it	2.889
r_scbond_it	1.749
r_angle_refined_deg	1.269
r_nbtor_refined	0.306

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.402
r_dihedral_angle_4_deg	24.593
r_dihedral_angle_3_deg	19.28
r_dihedral_angle_1_deg	8.287
r_mcangle_it	5.521
r_mcbond_it	3.771
r_scangle_it	2.889
r_scbond_it	1.749
r_angle_refined_deg	1.269
r_nbtor_refined	0.306
r_chiral_restr	0.234
r_symmetry_hbond_refined	0.219
r_symmetry_vdw_refined	0.215
r_nbd_refined	0.207
r_xyhbond_nbd_refined	0.157
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3283
Nucleic Acid Atoms
Solvent Atoms	168
Heterogen Atoms	42

Software

Software
Software Name	Purpose
CrystalClear	data collection
AMoRE	phasing
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	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.