2Q6M

Catalytic fragment of Cholix toxin from Vibrio Cholerae in complex with the PJ34 inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	15% PEG-8000, 0.02 M KH2PO4, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.085	α = 90
b = 64.756	β = 90
c = 77.995	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	ADSC QUANTUM 315	Rosenbaum-Rock vertical focusing mirror, with Pt, glass, Pd lanes	2007-03-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.033	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.25	30	97.9	0.055	23.5	10.7	56896	55688		-3	16.964

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.25	1.29	83.4		0.337	3.4	3.9	4667

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.25	25.19	55619	2821	97.71	0.151	0.15	0.18	RANDOM	17.465

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]
0.09			-0.04		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.431
r_dihedral_angle_4_deg	15.833
r_dihedral_angle_3_deg	13.242
r_sphericity_free	10.529
r_dihedral_angle_1_deg	5.99
r_sphericity_bonded	5.868
r_scangle_it	4.939
r_scbond_it	4.014
r_mcangle_it	3.001
r_mcbond_it	2.513
r_rigid_bond_restr	2.493
r_angle_refined_deg	1.809
r_mcbond_other	1.105
r_angle_other_deg	0.928
r_symmetry_vdw_other	0.265
r_nbd_refined	0.222
r_symmetry_hbond_refined	0.206
r_nbd_other	0.191
r_nbtor_refined	0.191
r_xyhbond_nbd_refined	0.149
r_chiral_restr	0.114
r_symmetry_vdw_refined	0.097
r_nbtor_other	0.092
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1578
Nucleic Acid Atoms
Solvent Atoms	356
Heterogen Atoms	44

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-3000	data reduction