3HW9

Cation selective pathway of OmpF porin revealed by anomalous x-ray diffraction

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.5M NaCl, Na Phosphate pH 6.5, 0.9% BOG, 0.09% octylPOE and 14-18% PEG2000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.545	α = 90
b = 117.545	β = 90
c = 121.287	γ = 120

Symmetry
Space Group	P 63

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		2007-06-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.033	APS	23-ID-B

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	2.61	50	89.2	0.147	28.9	6.8		26020

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)
	2.61	2.69	74.5		0.4	5.51	4	2154

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2OMF	2.61	46.93	24470	1323	89.12	0.23246	0.22876	0.30028	RANDOM	51.921

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]
-5.72	-2.86		-5.72		8.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.343
r_dihedral_angle_4_deg	21.013
r_dihedral_angle_3_deg	19.016
r_dihedral_angle_1_deg	8.754
r_scangle_it	6.394
r_scbond_it	4.198
r_angle_refined_deg	2.795
r_mcangle_it	2.55
r_mcbond_it	1.443
r_nbtor_refined	0.329
r_nbd_refined	0.279
r_metal_ion_refined	0.244
r_symmetry_hbond_refined	0.212
r_xyhbond_nbd_refined	0.208
r_symmetry_vdw_refined	0.203
r_chiral_restr	0.177
r_bond_refined_d	0.037
r_gen_planes_refined	0.012
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
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	5238
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	44

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling