3WK3

Orotidine 5'-monophosphate decarboxylase K72A mutant from M. thermoautotrophicus complexed with orotidine 5'-monophosphate ethyl ester

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3WK0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	293	Sodium citrate, pH 8.5, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.985	α = 90
b = 103.466	β = 90
c = 73.628	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	MAR CCD 165 mm			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-ID-B	1.1271	APS	14-ID-B

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	1.26	51.71	96.6	0.04	49.6			57994

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	1.26	1.28	93.5		0.218	6

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	3WK0	1.26	50	57767	2853	96.28	0.1653	0.1647	0.1766	RANDOM	14.1767

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]
0.2			-0.54		0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.141
r_dihedral_angle_4_deg	21.771
r_dihedral_angle_3_deg	13.165
r_dihedral_angle_1_deg	5.917
r_scangle_it	4.267
r_scbond_it	2.655
r_angle_refined_deg	1.813
r_mcangle_it	1.514
r_mcbond_it	0.918
r_chiral_restr	0.102

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.141
r_dihedral_angle_4_deg	21.771
r_dihedral_angle_3_deg	13.165
r_dihedral_angle_1_deg	5.917
r_scangle_it	4.267
r_scbond_it	2.655
r_angle_refined_deg	1.813
r_mcangle_it	1.514
r_mcbond_it	0.918
r_chiral_restr	0.102
r_bond_refined_d	0.016
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1626
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

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.