3G13

Crystal structure of putative conjugative transposon recombinase from Clostridium difficile

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	0.1M Bis-Tris pH 6.5, 28% PEG monomethylether 2000, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.47	α = 90
b = 71.318	β = 90
c = 94.176	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	Mirrors	2009-01-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.9790	NSLS	X25

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	47.84		0.121	10.1	11	29582	29582			33.4

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	2.07	86.1		0.459	2.86	6.2	2557

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	2	47.84	28009	1493	98.35	0.201	0.199	0.23918	RANDOM	22.495

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]
-0.03			0.04		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.099
r_dihedral_angle_4_deg	18.22
r_dihedral_angle_3_deg	15.982
r_dihedral_angle_1_deg	7.419
r_scangle_it	5.843
r_scbond_it	4.086
r_mcangle_it	1.903
r_angle_refined_deg	1.583
r_mcbond_it	0.992
r_nbtor_refined	0.298

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.099
r_dihedral_angle_4_deg	18.22
r_dihedral_angle_3_deg	15.982
r_dihedral_angle_1_deg	7.419
r_scangle_it	5.843
r_scbond_it	4.086
r_mcangle_it	1.903
r_angle_refined_deg	1.583
r_mcbond_it	0.992
r_nbtor_refined	0.298
r_nbd_refined	0.228
r_symmetry_vdw_refined	0.219
r_xyhbond_nbd_refined	0.123
r_symmetry_hbond_refined	0.12
r_chiral_restr	0.104
r_bond_refined_d	0.016
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2363
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms	7

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXD	phasing
SHARP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.