1NQF

OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.6	293	PEG3350, MAGNESIUM ACETATE, BIS-TRIS, N-OCTYL TETRAOXYETHELYENE, tris-(2-carboxyethyl)phosphine hydrochloride , pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.27	62.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.614	α = 90
b = 81.614	β = 90
c = 226.653	γ = 120

Symmetry
Space Group	P 31 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	100	CCD	SBC-2	Rosenbaum-Rock vertical focusing mirror	2002-03-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9790	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	30	95.4	0.085	20.2	6.6		44260		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.8	84.6		0.536		2.7	3915

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/DM	THROUGHOUT	2.7	20	22832	22706	1216	96.45	0.246	0.246	0.244	0.288	RANDOM	39.163

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]
0.56	0.28		0.56		-0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	25.098
r_dihedral_angle_3_deg	22.895
r_scbond_it	20.052
r_mcangle_it	13.703
r_mcbond_it	11.309
r_dihedral_angle_1_deg	5.664
r_angle_refined_deg	1.818
r_angle_other_deg	0.77
r_symmetry_hbond_other	0.592
r_symmetry_hbond_refined	0.565
r_symmetry_vdw_other	0.41
r_nbd_refined	0.374
r_symmetry_vdw_refined	0.365
r_nbd_other	0.349
r_xyhbond_nbd_refined	0.204
r_xyhbond_nbd_other	0.115
r_chiral_restr	0.1
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4294
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	127

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
SnB	phasing
CNS	refinement
SHARP	phasing
DENZO	data reduction
CNS	phasing