2O4V

An arginine ladder in OprP mediates phosphate specific transfer across the outer membrane

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	0.1M Hepes pH 6.5, 50mM K2HPO4, 5% MPD, 7.5-10% PEG8K, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.1	69.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 255.13	α = 90
b = 142.769	β = 99.49
c = 62.025	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	105	CCD	ADSC QUANTUM 315	mirrors	2005-12-05	M	MAD
2	1	x-ray	105	CCD	ADSC QUANTUM 315	mirrors	2005-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.97965, 0.97983, 0.96441	ALS	8.2.2
2	SYNCHROTRON	ALS BEAMLINE 8.2.2		ALS	8.2.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.94	62.9	91.1	0.067	0.067	14.8	4.4		147021	1.14	2.8

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	MAD	THROUGHOUT	1.94	62.9	139653	7366	91.08	0.17528	0.17431	0.19397	RANDOM	19.116

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]
-2.33		-0.47	0.16		2.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.182
r_dihedral_angle_4_deg	18.194
r_dihedral_angle_3_deg	12.498
r_dihedral_angle_1_deg	6.582
r_scangle_it	1.971
r_scbond_it	1.276
r_angle_refined_deg	1.154
r_mcangle_it	0.708
r_mcbond_it	0.451
r_nbtor_refined	0.299
r_nbd_refined	0.182
r_symmetry_vdw_refined	0.168
r_symmetry_hbond_refined	0.123
r_xyhbond_nbd_refined	0.103
r_chiral_restr	0.083
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9600
Nucleic Acid Atoms
Solvent Atoms	631
Heterogen Atoms	115

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
CCP4	data scaling
SHELXS	phasing