3C8I

Crystal structure of a putative membrane protein from Corynebacterium diphtheriae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	291	0.05M Calcium chloride dihydrate, 0.1M Bis-Tris, 30% v/v PEG MME 550, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.374	α = 90
b = 99.837	β = 90
c = 124.621	γ = 90

Symmetry
Space Group	C 2 2 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	2007-06-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97940	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	62.26	99.54	0.099	40.13	9.1	22137	22035		2	28.01

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	2	99.94		0.736	2.31	7.4	1702

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	SAD	THROUGHOUT	1.95	62.26	22035	22035	1193	99.54	0.20185	0.20185	0.20021	0.23164	RANDOM	27.602

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]
0.19			-0.48		0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.074
r_dihedral_angle_3_deg	14.781
r_dihedral_angle_4_deg	14.743
r_dihedral_angle_1_deg	6.16
r_scangle_it	3.248
r_scbond_it	2.176
r_mcangle_it	1.504
r_angle_refined_deg	1.43
r_mcbond_it	1.289
r_angle_other_deg	0.956
r_nbd_refined	0.218
r_mcbond_other	0.214
r_nbd_other	0.2
r_xyhbond_nbd_refined	0.194
r_symmetry_vdw_other	0.194
r_symmetry_vdw_refined	0.173
r_nbtor_refined	0.165
r_symmetry_hbond_refined	0.135
r_xyhbond_nbd_other	0.092
r_nbtor_other	0.088
r_chiral_restr	0.083
r_bond_refined_d	0.014
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1970
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing