Experiment: 6WGY

Crystal structure of a Putative citrate synthase 2 from Mycobacterium bovis in complex with citrate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	290	Micolytic MCSG-1 screen, condition D7: 20% (w/V) PEG 3000, 100mM sodium citrate tribasic / citric acid pH 5.5: MyboA.00896.a.AE1.PS38615 (originally labelled as MythA.10611.a.AE1.PS38615) at 34.35 mg/ml. For phasing the crystal was incubated for 20sec in a mix of 90% reservoir and 10% 2.5M NaI in ethylene glycol, followed by an incubation for 20sec in 80% reservoir and 20% 2.5M NaI in ethylene glycol. The sample was then vitirfied. tray 314035d7: cryo: 20% PEG with 2.5M NaI: puck dvf9-2.

Crystal Properties
Matthews coefficient	Solvent content
2.99	58.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.14	α = 90
b = 153.37	β = 90
c = 100.58	γ = 90

Symmetry
Space Group	P 21 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	CCD	RIGAKU SATURN 944+	RIGAKU VARIMAX HF	2020-02-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	2.3	50	99.9	0.093	0.097	0.999	19.33	14.398		87868			46.634

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.36	99.8		0.64	0.663	0.956	5.07	14.528

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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	2.3	47.43	1.3	87847	1950	99.94	0.1748	0.1737	0.1759	0.2252	0.2257	0	44.42

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	18.8812
f_angle_d	0.8132
f_chiral_restr	0.0473
f_bond_d	0.0067
f_plane_restr	0.0055

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11061
Nucleic Acid Atoms
Solvent Atoms	802
Heterogen Atoms	135

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
SHELXDE	phasing
PHASER	phasing
PARROT	phasing
SHELXE	model building
ARP/wARP	model building
Coot	model building