3KMI

Crystal structure of putative membrane protein from Clostridium difficile 630

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.6	297	0.2M Ammonium formate pH 6.6, 20% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.378	α = 90
b = 66.242	β = 90
c = 87.189	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 315r		2009-10-12	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97931, 0.97945	APS	19-ID

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	1.95	50	99.2	0.058	48.12	7.2	25061	24870		-3	23.7

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	1.95	1.98	98.8		0.269	9.03	7.4	1208

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.96	50	24835	24835	1263	99.05	0.19286	0.19286	0.19055	0.23526	RANDOM	16.743

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]
1.14			-0.67		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.659
r_dihedral_angle_4_deg	19.794
r_dihedral_angle_3_deg	16.546
r_dihedral_angle_1_deg	5.012
r_scangle_it	3.329
r_scbond_it	2.078
r_mcangle_it	1.484
r_angle_refined_deg	1.291
r_mcbond_it	0.83
r_chiral_restr	0.096
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2750
Nucleic Acid Atoms
Solvent Atoms	294
Heterogen Atoms	10

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	model building
RESOLVE	model building
Coot	model building
ARP/wARP	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing