2ILP

Clostridium botulinum Serotype A Light Chain inhibited by 4-chlorocinnamic hydroxamate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	10-15% PEG 2000 MMe, 0.3M (NH4)2HPO4, 0.05M TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.656	α = 90
b = 67.694	β = 106.53
c = 98.396	γ = 90

Symmetry
Space Group	P 1 21 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	CCD	ADSC QUANTUM 4		2006-02-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B	1.0000	NSLS	X12B

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	1.9	50	97.9	0.094	12.7	3.5	73310	71771

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)
	1.9	1.97	95.3		0.455	3.2	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1.9	50	71771	68126	3626	97.86	0.17496	0.17281	0.21	0.21556	0.25	RANDOM	26.707

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]
-0.88		-0.25	0.03		0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.329
r_dihedral_angle_4_deg	15.265
r_dihedral_angle_3_deg	12.029
r_dihedral_angle_1_deg	6.381
r_scangle_it	2.576
r_scbond_it	1.766
r_angle_refined_deg	1.236
r_mcangle_it	1.212
r_angle_other_deg	0.864
r_mcbond_it	0.792
r_nbd_refined	0.198
r_symmetry_hbond_refined	0.195
r_symmetry_vdw_other	0.192
r_nbd_other	0.184
r_nbtor_refined	0.18
r_symmetry_vdw_refined	0.172
r_mcbond_other	0.165
r_xyhbond_nbd_refined	0.159
r_nbtor_other	0.083
r_chiral_restr	0.076
r_metal_ion_refined	0.055
r_xyhbond_nbd_other	0.028
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6646
Nucleic Acid Atoms
Solvent Atoms	615
Heterogen Atoms	33

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection