Experiment: 44MO

VcFadRqm, a quadruple mutant (Y153A, K156E, L203F, L208F) of fatty acid metabolism regulator protein from Vibrio cholerae, in complex with DNA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4PDK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	IN CELL	7.5	289.15	16%(w/v)PEG8000,40mM KH2PO4,20%(v/v) Glycerol

Crystal Properties
Matthews coefficient	Solvent content
3.35	63.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.303	α = 90
b = 99.303	β = 90
c = 225.826	γ = 90

Symmetry
Space Group	P 43 21 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		2021-12-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL18U1	0.9778	SSRF	BL18U1

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	2.5	30	99.9	0.0117	21.3	2.52		39940			71.86

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.74	99.9		0.01

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	2.5	29.81	1.33	39940	2047	99.93	0.1993	0.1983	0.1984	0.2173	0.2162	86.25

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	27.0828
f_angle_d	1
f_chiral_restr	0.0569
f_plane_restr	0.0081
f_bond_d	0.0072

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4378
Nucleic Acid Atoms	1265
Solvent Atoms	41
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing