7AYB

Crystal Structure of wild type human mitochondrial 2-Enoyl Thioester Reductase (MECR)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	277	1M NaCl, 16.82% (w/v) Polyethylene glycol 6000, 100mM Acetic Acid pH:4.5

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.47	α = 90
b = 71.47	β = 90
c = 145.09	γ = 120

Symmetry
Space Group	P 31 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	100	PIXEL	DECTRIS EIGER2 X 16M		2019-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9795	Diamond	I04

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	1.85	61.89	100	0.047	0.048	0.011	1	28.1	19.3		37465

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	1.85	1.9	100		1.894	1.959	0.497	0.703	1.5	15.1

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2vcy	1.85	61.89	34057	3358	99.94	0.1921	0.1891	0.2231	RANDOM	58.952

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]
0.56	0.28		0.56		-1.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.118
r_dihedral_angle_4_deg	18.44
r_dihedral_angle_3_deg	15.871
r_dihedral_angle_1_deg	5.397
r_angle_refined_deg	1.265
r_angle_other_deg	1.071
r_chiral_restr	0.077
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.118
r_dihedral_angle_4_deg	18.44
r_dihedral_angle_3_deg	15.871
r_dihedral_angle_1_deg	5.397
r_angle_refined_deg	1.265
r_angle_other_deg	1.071
r_chiral_restr	0.077
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2605
Nucleic Acid Atoms
Solvent Atoms	200
Heterogen Atoms	29

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.