Experiment: 4KH1

The R state structure of E. coli ATCase with CTP,UTP, and Magnesium bound

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1D09	PDB entry 1D09

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICRODIALYSIS	5.9	293	50 mM maleic acid, 1 mM PALA, 3 mM sodium azide, pH 5.9, Microdialysis, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 120.87	α = 90
b = 120.87	β = 90
c = 154.73	γ = 120

Symmetry
Space Group	P 3 2 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	IMAGE PLATE	RIGAKU RAXIS IV++		2012-10-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.542

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	2.2	31.81	99.4	0.039	16.5	5.68	66369	66369		-3

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	2.2	2.28	100		0.409	3.4	5.58

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB entry 1D09	2.2	31.807	66361	66361	3366	99.34	0.1643	0.1626	0.1643	0.1957	0.1956	60.1597

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.418
f_angle_d	1.061
f_chiral_restr	0.073
f_bond_d	0.009
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7132
Nucleic Acid Atoms
Solvent Atoms	458
Heterogen Atoms	157

Software

Software
Software Name	Purpose
d*TREK	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
d*TREK	data scaling
PHENIX	phasing