4MAR

Crystal structure of purine nucleoside phosphorylase from Meiothermus ruber DSM 1279 complexed with sulfate.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4	298	0.1M citrte, pH 4.0, 0.8M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.403	α = 90
b = 189.103	β = 90
c = 152.235	γ = 90

Symmetry
Space Group	C 2 2 21

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	RAYONIX MX225HE		2013-08-12		SAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9791	APS	31-ID

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	2.16	50	99.1	0.143	8.1	6.7		44423

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	2.16	2.2	93.2		0.429		5.1	2089

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	PDB ENTRY 4M3N	2.16	32.56	44335	2239	99.04	0.1903	0.1884	0.2256	RANDOM	33.8488

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]
44.46			-15.22		-29.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.457
r_dihedral_angle_4_deg	15.201
r_dihedral_angle_3_deg	14.611
r_dihedral_angle_1_deg	5.862
r_mcangle_it	2.496
r_scbond_it	2.123
r_mcbond_it	1.435
r_angle_refined_deg	1.194
r_chiral_restr	0.081
r_bond_refined_d	0.007

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.457
r_dihedral_angle_4_deg	15.201
r_dihedral_angle_3_deg	14.611
r_dihedral_angle_1_deg	5.862
r_mcangle_it	2.496
r_scbond_it	2.123
r_mcbond_it	1.435
r_angle_refined_deg	1.194
r_chiral_restr	0.081
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5361
Nucleic Acid Atoms
Solvent Atoms	283
Heterogen Atoms	56

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction

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.