2VQI

Structure of the P pilus usher (PapC) translocation pore

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		5-20 % 3-METHYL-1,5-PENTANEDIOL (MPD), 6-12 % POLYETHYLENE GLYCOL 4000 (PEG4000), 50 MM NA CITRATE PH 5.6, 100 MM AMMONIUM SULFATE

Crystal Properties
Matthews coefficient	Solvent content
3.5	61.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 166.5	α = 90
b = 101.9	β = 128.2
c = 113.7	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	100	CCD	ADSC CCD		2007-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	3.2	20	98.4	0.1	9.7	3.7		48050		-3	67.4

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	3.2	3.4	99.3		0.22	5.5	3.8

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	MAD	THROUGHOUT	NONE	3.2	15	47937	2410	99.9	0.2593	0.2593	0.2958	RANDOM	50.3

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]
7.369		19.591	-6.277		-1.092

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	29.1
c_scangle_it	3.66
c_mcangle_it	2.7
c_scbond_it	2.59
c_angle_deg	1.73555
c_improper_angle_d	1.57
c_mcbond_it	1.49
c_bond_d	0.016733
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7517
Nucleic Acid Atoms
Solvent Atoms	34
Heterogen Atoms	74

Software

Software
Software Name	Purpose
CNS	refinement
XDS	data reduction
XSCALE	data scaling
SHARP	phasing