8B32

Chalcone synthase from Hordeum vulgare complexed with CoA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	277	0.1M MES/Imidazole pH6.5; 0.03M MgCl2 0.03M CaCl2; 16% Glycerol; 8% PEG4000

Crystal Properties
Matthews coefficient	Solvent content
3.16	61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.805	α = 90
b = 98.963	β = 90
c = 138.11	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		2022-03-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.0332	PETRA III, DESY	P11

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	1.7	45.829	99.8	0.07	0.076	0.029	0.999	18.3	13.2		117451

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	1.7	1.73			1.334	1.44	0.536	0.885		13.7

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	6DXB	1.7	45.829	117356	5895	99.737	0.178	0.1766	0.2046	33.018

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]
1.958			0.672		-2.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.489
r_dihedral_angle_4_deg	18.018
r_dihedral_angle_3_deg	12.851
r_lrange_it	7.169
r_lrange_other	7.154
r_scangle_it	6.483
r_scangle_other	6.483
r_dihedral_angle_1_deg	6.221
r_scbond_it	4.457
r_scbond_other	4.457
r_mcangle_it	3.253
r_mcangle_other	3.252
r_mcbond_it	2.635
r_mcbond_other	2.633
r_angle_refined_deg	1.757
r_angle_other_deg	1.489
r_nbd_refined	0.21
r_symmetry_xyhbond_nbd_refined	0.202
r_symmetry_nbd_other	0.173
r_nbd_other	0.165
r_nbtor_refined	0.163
r_symmetry_nbd_refined	0.147
r_xyhbond_nbd_refined	0.132
r_chiral_restr	0.089
r_symmetry_nbtor_other	0.082
r_ncsr_local_group_1	0.069
r_bond_refined_d	0.013
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5820
Nucleic Acid Atoms
Solvent Atoms	401
Heterogen Atoms	96

Software

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