3WK1

Wild-type orotidine 5'-monophosphate decarboxylase 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	3WK3

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
2.01	38.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.8	α = 90
b = 103.49	β = 90
c = 73.59	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	ADSC QUANTUM 4			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D	0.9795	APS	14-BM-D

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	1.59	51.78	99.9	0.051	38.2			30030

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	1.59	1.63	99.7		0.298

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	3WK3	1.6	50	29436	1468	99.84	0.1669	0.1661	0.1822	RANDOM	14.0132

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]
0.42			-0.84		0.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.229
r_dihedral_angle_4_deg	20.578
r_dihedral_angle_3_deg	13.645
r_dihedral_angle_1_deg	5.747
r_scangle_it	4.461
r_scbond_it	2.77
r_angle_refined_deg	1.63
r_mcangle_it	1.52
r_mcbond_it	0.889
r_chiral_restr	0.109

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.229
r_dihedral_angle_4_deg	20.578
r_dihedral_angle_3_deg	13.645
r_dihedral_angle_1_deg	5.747
r_scangle_it	4.461
r_scbond_it	2.77
r_angle_refined_deg	1.63
r_mcangle_it	1.52
r_mcbond_it	0.889
r_chiral_restr	0.109
r_bond_refined_d	0.016
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1630
Nucleic Acid Atoms
Solvent Atoms	168
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 R01GM157729.