2BH1

X-ray structure of the general secretion pathway complex of the N- terminal domain of EpsE and the cytosolic domain of EpsL of Vibrio cholerae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		200MM CAOAC2, 100MM BISTRIS PH5.5, 25% PEG 3350, pH 5.50

Crystal Properties
Matthews coefficient	Solvent content
2.3	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.887	α = 90
b = 89.325	β = 91.16
c = 79.726	γ = 90

Symmetry
Space Group	P 1 21 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		2004-09-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	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)	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	2.4	20	99.8	0.07	10.7	3.6		27927

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	2.4	2.5	100		0.69	1.9	3.6

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 1W97	2.4	20	26528	1381	99.9	0.194	0.191	0.252	RANDOM	50.05

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]
2.07		-3.62	-0.98		-1.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.985
r_dihedral_angle_3_deg	17.322
r_dihedral_angle_4_deg	16.865
r_dihedral_angle_1_deg	6.147
r_angle_refined_deg	1.137
r_scangle_it	1.099
r_angle_other_deg	0.744
r_scbond_it	0.696
r_mcangle_it	0.52
r_mcbond_it	0.307
r_nbd_refined	0.183
r_xyhbond_nbd_refined	0.173
r_nbtor_refined	0.172
r_nbd_other	0.169
r_symmetry_vdw_other	0.132
r_symmetry_vdw_refined	0.103
r_nbtor_other	0.083
r_symmetry_hbond_refined	0.064
r_chiral_restr	0.063
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	4868
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing