4X5U

X-ray crystal structure of CagL at pH 4.2

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	293	30% v/v ethanol, 200 mM sodium phosphate/citric acid, pH 4.2, 5% w/v PEG 1000, 1% v/v glycerol, Microseeding

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.018	α = 90
b = 63.018	β = 90
c = 243.763	γ = 120

Symmetry
Space Group	P 65 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2014-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.979450	SSRL	BL11-1

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	54.58	100	0.169	19.3	37.2		13696

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	2.3	2.39	100		5.247	1.3	39.5

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 3zci	2.3	54.58	12955	675	99.9	0.25734	0.25449	0.31283	RANDOM	85.162

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]
2.79	1.4		2.79		-9.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.688
r_dihedral_angle_3_deg	16.298
r_dihedral_angle_4_deg	13.728
r_dihedral_angle_1_deg	5.131
r_long_range_B_refined	4.039
r_long_range_B_other	4.038
r_scangle_other	2.859
r_mcangle_it	2.326
r_mcangle_other	2.325
r_scbond_other	1.689
r_scbond_it	1.688
r_mcbond_it	1.389
r_mcbond_other	1.388
r_angle_refined_deg	1.094
r_angle_other_deg	0.846
r_chiral_restr	0.063
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1646
Nucleic Acid Atoms
Solvent Atoms	3
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
XDS	data scaling
Aimless	data scaling
Coot	model building