4OH7

Crystal structure of Ornithine carbamoyltransferase from Brucella melitensis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	290	BrmeB.00183.a.B1.PS01877 at 20.3 mg/mL, RigakuReagents JCSG+ screen, h8: 25% PEG3350, 200 mM sodium chloride, 100 mM Bis-Tris-HCl, pH 5.5, cryoprotection: 15% ethylene glycol in two steps, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.45	α = 90
b = 88.45	β = 90
c = 142.68	γ = 120

Symmetry
Space Group	P 63

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 315r		2013-12-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0000	ALS	5.0.2

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	1.5	50	99.5	0.044	16.38	3.6	100819	100352		-3	23.829

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	1.5	1.54	99.2		0.39	2.43

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	THROUGHOUT	MODEL IN DIFFERENT SPACE GROUP OBTAINED FROM IODIDE PHASING	1.5	50	100819	100315	4848	99.54	0.1559	0.1559	0.1546	0.1826	RANDOM	19.044

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]
-0.4	-0.2		-0.4		1.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.101
r_dihedral_angle_4_deg	19.553
r_dihedral_angle_3_deg	12.072
r_dihedral_angle_1_deg	5.755
r_angle_refined_deg	1.556
r_mcangle_it	1.409
r_mcbond_it	0.869
r_angle_other_deg	0.859
r_mcbond_other	0.856
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
r_gen_planes_other	0.004
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4556
Nucleic Acid Atoms
Solvent Atoms	711
Heterogen Atoms	18

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
BOS	data collection
XDS	data reduction