5YX4

Isoliquiritigenin-complexed Chalcone isomerase (S189A) from the Antarctic vascular plant Deschampsia Antarctica (DaCHI1)

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.2	293	0.076 M sodium phosphate dibasic, 1.152 M potassium phosphate dibasic (pH 8.2)

Crystal Properties
Matthews coefficient	Solvent content
3.87	68.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.221	α = 90
b = 83.221	β = 90
c = 93.127	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	ADSC QUANTUM 315r		2016-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PAL/PLS BEAMLINE 5C (4A)	0.97950	PAL/PLS	5C (4A)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.1	50	99.5	40.4	8.9		22153

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.14

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.1	41.61	20971	1154	99.42	0.19073	0.18869	0.22602	RANDOM	54.014

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]
					0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.149
r_dihedral_angle_3_deg	15.973
r_dihedral_angle_4_deg	15.741
r_long_range_B_refined	9.999
r_long_range_B_other	9.969
r_scangle_other	8.163
r_dihedral_angle_1_deg	6.833
r_mcangle_it	6.017
r_mcangle_other	6.017
r_scbond_it	6.006
r_scbond_other	6.002
r_mcbond_it	4.958
r_mcbond_other	4.928
r_angle_refined_deg	1.945
r_angle_other_deg	1.092
r_chiral_restr	0.127
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_gen_planes_other	0.005
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1694
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling