4H31

Crystal structure of anabolic ornithine carbamoyltransferase from Vibrio vulnificus in complex with carbamoyl phosphate and L-norvaline

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.5	289	Protein: 10 mg/ml in 10 mM Tris-HCl pH 8.3, 20 mM Carbamoyl phosphate, 20 mM L-norvaline, 500 mM NaCl and 5 mM b-mercaptoethanol. Crystallization condition: 0.2 M Ammonium Acetate, 0.1 M Bis-Tris pH 5.5, 23% PEG 3350, VAPOR DIFFUSION, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.262	α = 90
b = 80.911	β = 90
c = 152.733	γ = 90

Symmetry
Space Group	P 21 21 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	MARMOSAIC 300 mm CCD	Be-Lenses	2012-06-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.7	50	100	0.082	0.082	29.8	6.5	102701	102659		-3	21.9

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	1.7	1.73	100		0.963	0.963	1.9	5.5	5067

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	3UPD	1.7	50	96750	96702	5088	99.95	0.13704	0.13704	0.13541	0.16735	RANDOM	25.753

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]
-1			-0.04		1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.631
r_dihedral_angle_4_deg	14.34
r_dihedral_angle_3_deg	13.539
r_dihedral_angle_1_deg	5.718
r_angle_refined_deg	1.799
r_angle_other_deg	1.049
r_chiral_restr	0.112
r_bond_refined_d	0.017
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7712
Nucleic Acid Atoms
Solvent Atoms	495
Heterogen Atoms	206

Software

Software
Software Name	Purpose
HKL-3000	data collection
HKL-3000	phasing
MOLREP	phasing
REFMAC	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling