6JKV

PppA, a key regulatory component of T6SS in Pseudomonas aeruginosa

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TXO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		289	PEG 8000, Calcium acetate hydrate, HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.14	37.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.541	α = 90
b = 80.253	β = 111.81
c = 59.084	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	RIGAKU SATURN 944		2012-07-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.1	24.28	98.6	0.119	4.9	2.03		25293

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18

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	1TXO	2.1	24.08	23846	1228	97.72	0.23529	0.23292	0.28332	RANDOM	21.226

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]
0.16		-0.12	-0.8		0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.025
r_dihedral_angle_3_deg	15.45
r_dihedral_angle_4_deg	12.019
r_dihedral_angle_1_deg	6.249
r_long_range_B_refined	2.578
r_long_range_B_other	2.252
r_angle_other_deg	1.412
r_angle_refined_deg	1.14
r_mcangle_it	1.082
r_mcangle_other	1.082
r_scangle_other	0.947
r_mcbond_it	0.794
r_mcbond_other	0.794
r_rigid_bond_restr	0.794
r_scbond_it	0.728
r_scbond_other	0.728
r_chiral_restr	0.056
r_bond_other_d	0.009
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
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_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3432
Nucleic Acid Atoms
Solvent Atoms	367
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
PHASER	phasing