4HJI | pdb_00004hji

Structure of the CooA pilin subunit from enterotoxigenic Escherichia coli

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3F83

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	1 M SODIUM CITRATE, 100 MM IMIDAZOLE , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.89	34.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.99	α = 83.72
b = 46.87	β = 89.95
c = 51.27	γ = 74.58

Symmetry
Space Group	P 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	MARMOSAIC 325 mm CCD		2009-08-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	1.07	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	1.6	20	92.2	0.025	34.1		131428	33503	2	2	24.47

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	1.6	1.69	92.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3F83	1.6	19.67	35943	31826	1676	94.94	0.22356	0.22214	0.23	0.25057	0.25	RANDOM	22.257

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]
0.24	-0.79	0.22	1.73	-1.15	-2.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.686
r_dihedral_angle_4_deg	15.23
r_dihedral_angle_3_deg	13.811
r_dihedral_angle_1_deg	5.779
r_scangle_it	2.864
r_angle_other_deg	1.891
r_scbond_it	1.741
r_angle_refined_deg	1.374
r_mcangle_it	1.054
r_mcbond_it	0.563
r_symmetry_vdw_refined	0.292
r_symmetry_vdw_other	0.187
r_nbtor_refined	0.163
r_chiral_restr	0.129
r_xyhbond_nbd_refined	0.129
r_mcbond_other	0.127
r_symmetry_hbond_refined	0.116
r_metal_ion_refined	0.077
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2212
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	6

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling