Experiment: 3S0M

A Structural Element that Modulates Proton-Coupled Electron Transfer in Oxalate Decarboxylase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	290	10% w/v polyethylene glycol 6000, 2 M aq. NaCl , pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
3.28	62.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.761	α = 90
b = 154.761	β = 90
c = 121.499	γ = 120

Symmetry
Space Group	H 3 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	APEX II CCD	mirrors	2011-01-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	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	2.31	23.61	99.8	0.1861	0.2635	5.43	5.68			2	2

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)
1	2.31	2.4	100		0.4735	0.4326	2.3	4.07

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.31	23.61	47554	41624	3353	87.53	0.1912	0.1856	0.1818	0.2549	0.2498

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]
-8.0557			-8.0557		4.8283

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.802
f_angle_d	1.023
f_chiral_restr	0.072
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3013
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	25

Software

Software
Software Name	Purpose
MOLREP	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
SAINT	data reduction
APEX	data reduction