8B3C

Chalcone synthase from Hordeum vulgare complexed with CoA and eriodictyol

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.1M MES/Imidazole pH6.5; 0.03M MgCl2 0.03M CaCl2; 16%Glycerol; 8% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
3.15	61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.884	α = 90
b = 97.817	β = 90
c = 137.928	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	291	PIXEL	DECTRIS EIGER X 16M		2022-06-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	0.9762	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	48.956	100	0.076	0.082	0.031	0.999	17	12.8		71897

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.04			0.985	1.071	0.419	0.947		12.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	8B32	2	48.956	71816	3554	99.949	0.2	0.1984	0.2337	47.623

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]
2.967			1.706		-4.673

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.946
r_dihedral_angle_4_deg	17.075
r_dihedral_angle_3_deg	14.952
r_lrange_other	8.475
r_lrange_it	8.468
r_scangle_it	7.068
r_scangle_other	7.067
r_dihedral_angle_1_deg	6.447
r_scbond_it	5.127
r_scbond_other	5.126
r_mcangle_it	4.978
r_mcangle_other	4.978
r_mcbond_it	4.091
r_mcbond_other	4.091
r_angle_refined_deg	1.503
r_angle_other_deg	1.323
r_nbd_other	0.212
r_nbd_refined	0.198
r_symmetry_nbd_other	0.181
r_nbtor_refined	0.159
r_symmetry_nbd_refined	0.154
r_symmetry_xyhbond_nbd_refined	0.154
r_xyhbond_nbd_refined	0.146
r_symmetry_nbtor_other	0.078
r_ncsr_local_group_1	0.078
r_chiral_restr	0.071
r_symmetry_xyhbond_nbd_other	0.046
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5827
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	138

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
Coot	model building