Experiment: 7SG3

The X-ray crystal structure of the Staphylococcus aureus Fatty Acid Kinase B1 mutant A121I-A158L to 2.35 Angstrom resolution (Open form chain A, Palmitate bound)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6MH9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	pH 6.5 0.1M MES/Imidazole, 12.5% PEG1000, 12.5% PEG3350, 12.5% MPD, 0.03M NaNO3, 0.03M Na2HPO4, 0.03M (NH4)2SO4, Seeded from WT crystals

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.216	α = 104.159
b = 53.553	β = 90.462
c = 85.879	γ = 107.043

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	PIXEL	DECTRIS EIGER X 16M		2021-09-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0000	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.35	49.46	92	0.042	0.997	6.9	3.6		20941			44.61

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	2.35	2.43	90.7		0.298	0.867	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6MH9	2.35	41.48	2.01	20076	1025	88.26	0.2137	0.2117	0.2509	0.2769	58.13

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	18.3302
f_angle_d	0.4959
f_chiral_restr	0.0426
f_bond_d	0.0033
f_plane_restr	0.0025

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4188
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	36

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing