Experiment: 7MCQ

Crystal structure of Staphylococcus aureus Cystathionine gamma lyase, AOAA-bound enzyme in dimeric form

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	0.1 M Tris-HCl, pH 7.6, 1.4 M Tri sodium Citrate, 10 mM AOAA

Crystal Properties
Matthews coefficient	Solvent content
4.74	74.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.354	α = 90
b = 104.354	β = 90
c = 287.362	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	100	PIXEL	DECTRIS EIGER2 X 16M		2019-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 17-ID-2	0.91956	NSLS-II	17-ID-2

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	2.845	30	100	0.2	0.061	0.99	2.6	11.7		38274			45.56

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.845	2.9	100		1.056	0.316	0.845	0.5

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	4IXZ	2.84	29.76	1.35	38274	3689	99.71	0.1788	0.1771	0.209	0.1773	42.27

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	18.4193
f_angle_d	1.0565
f_chiral_restr	0.059
f_bond_d	0.0078
f_plane_restr	0.0067

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5784
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	66

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
autoPROC	data processing
HKL-2000	data scaling
HKL-2000	data reduction
PHASER	phasing