4NF2 | pdb_00004nf2

Crystal structure of anabolic ornithine carbamoyltransferase from Bacillus anthracis 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	4H31	PDB ENTRY 4H31

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	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: Index #79 (0.1 M Bis-Tris pH 6.5, 0.2 M NH4 Acetate,25% w/v PEG 3350). Mixed as 0.2 ul + 0.2 ul., VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.893	α = 90
b = 99.893	β = 90
c = 118.989	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		SINGLE WAVELENGT

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	1.74	50	99.3	0.044	0.044	12.5	3.5	105890	105149		-3	25.5

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	1.74	1.77	99.8		0.602	0.602	2	3.4	5229

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 (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4H31	1.74	29.23	105456	104782	5231	99.36	0.1466	0.1466	0.1454	0.1701	0.1857	RANDOM	32.3437

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]
0.36			-1.41		1.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.069
r_dihedral_angle_4_deg	14.904
r_dihedral_angle_3_deg	13.616
r_dihedral_angle_1_deg	5.735
r_angle_refined_deg	1.695
r_angle_other_deg	1.278
r_chiral_restr	0.103
r_bond_refined_d	0.017
r_gen_planes_refined	0.011
r_bond_other_d	0.008
r_gen_planes_other	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7212
Nucleic Acid Atoms
Solvent Atoms	846
Heterogen Atoms	53

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing
HKL-3000	phasing
CCP4	phasing
Coot	model building