Experiment: 9VRV

HosA transcriptional regulator from enteropathogenic Escherichia coli O127:H6 (strain E2348/69) bound with 4-hydroxy benzoic acid - L2' Conformation at 1.41 angstrom resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	8YCV

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.2	277.15	Sodium phosphate dibasic, Potassium phosphate monobasic Sodium chloride, PEG 200

Crystal Properties
Matthews coefficient	Solvent content
3.27	62.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.444	α = 90
b = 67.444	β = 90
c = 95.172	γ = 90

Symmetry
Space Group	P 43 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	80	PIXEL	DECTRIS PILATUS 12M		2024-07-11	M	SINGLE WAVELENGTH
2	1	x-ray	80	PIXEL	DECTRIS PILATUS 12M		2024-07-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I23	1.3776	Diamond	I23
2	SYNCHROTRON	DIAMOND BEAMLINE I23	5.0606	Diamond	I23

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	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	1.41	38.88	93.61	0.1261	0.02139	1	15.15	34.3		80602

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.412	1.462			0.9445	0.43

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.41	38.88	1.34	75461	3740	93.62	0.1586	0.1571	0.1617	0.1882	0.1917	30.56

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.2794
f_angle_d	1.2813
f_chiral_restr	0.1028
f_bond_d	0.0178
f_plane_restr	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1071
Nucleic Acid Atoms
Solvent Atoms	185
Heterogen Atoms	21

Software

Software
Software Name	Purpose
PHENIX	refinement
autoPROC	data scaling
BUSTER	phasing
PDB_EXTRACT	data extraction