Experiment: 9RSY

Crystal structure of Amborella trichopoda ACCO2 in complex with Fe and ACC

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	9.5	295.15	under anaerobic condition. 25-28% PEG 3350, 0.1 M CHES pH 9.5, 3 mM ammonium iron (II) sulphate hexahydrate. microseeding. the Crystal was soaked with 500 mM ascorbate in mother liquor for 7 hours to overnight.

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.267	α = 90
b = 58.547	β = 90
c = 112.55	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	100	PIXEL	DECTRIS EIGER X 16M		2024-11-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.94055	Diamond	I03

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	1.42	58.55	99	0.083	0.086	0.023	1	14.6	13.6		54268			14.82

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	1.42	1.44			1.502	1.558	0.411	0.761	0.7

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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.42	56.27	1.35	54163	2076	98.8	0.1665	0.1658	0.1661	0.1859	0.1863	27.53

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	16.9665
f_angle_d	0.9701
f_chiral_restr	0.0872
f_plane_restr	0.0108
f_bond_d	0.0087

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2468
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHENIX	refinement
xia2	data reduction
xia2	data scaling
PHENIX	phasing