2IWV

Structure of the monomeric outer membrane porin OmpG in the open and closed conformation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.9		100 MM HEPES PH 7.5 30% PEG 4000 200 MM CACL2

Crystal Properties
Matthews coefficient	Solvent content
3.7	66.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.6	α = 79.3
b = 77	β = 73.4
c = 103.9	γ = 74.3

Symmetry
Space Group	P 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	MARRESEARCH		2004-08-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	2.3	15	90.6	0.1	7.56	2.98		240777		4.2

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 (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	2.3	14.98	79984	4210	100	0.226	0.224	0.269	RANDOM	56.6

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]
2.98	-1.84	6.91	-1.36	-1.79	-3.91

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.005
r_dihedral_angle_4_deg	23.706
r_dihedral_angle_3_deg	21.491
r_dihedral_angle_1_deg	11.575
r_scangle_it	5.962
r_mcangle_it	4.651
r_scbond_it	4.358
r_mcbond_it	3.194
r_angle_refined_deg	2.504
r_nbtor_refined	0.341
r_symmetry_hbond_refined	0.318
r_symmetry_vdw_refined	0.249
r_nbd_refined	0.245
r_xyhbond_nbd_refined	0.226
r_chiral_restr	0.182
r_bond_refined_d	0.02
r_gen_planes_refined	0.008
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_refined
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9192
Nucleic Acid Atoms
Solvent Atoms	460
Heterogen Atoms	2476

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling