3SY5

Crystal structure of the mutant S127A of orotidine 5'-monophosphate decarboxylase from Methanobacterium thermoautotrophicum complexed with the inhibitor 6azaUMP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3G1A	PB entry 3G1A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	293	30% PEG 400, 0.1M Hepes, 0.2M magnesium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K, pH 7.2

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.711	α = 90
b = 63.603	β = 115.19
c = 61.197	γ = 90

Symmetry
Space Group	P 1 21 1

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		2011-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97915	NSLS	X4A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.321	29.785	99.79			96918	96918

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PB entry 3G1A	1.321	29.785	96918	96918	4848	99.79	0.1969	0.1969	0.1957	0.2185	RANDOM

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]
-2.0659		-1.0869	1.9599		0.106

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.646
f_angle_d	1.039
f_chiral_restr	0.069
f_plane_restr	0.007
f_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3328
Nucleic Acid Atoms
Solvent Atoms	405
Heterogen Atoms	42

Software

Software
Software Name	Purpose
ADSC	data collection
BALBES	phasing
PHENIX	refinement
DENZO	data reduction
SCALEPACK	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 R01GM157729.