7KOV

Crystal structure of Azotobacter vinelandii 3-mercaptopropionic acid dioxygenase in complex with thiocyanate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6XB9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		294	0.05 M HEPES pH 7, 44% pentaerythritol propoxylate (5/4 PO/OH), 0.6 M sodium thiocyanate

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.182	α = 90
b = 102.182	β = 90
c = 301.935	γ = 120

Symmetry
Space Group	P 61 2 2

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		2020-09-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-E	0.979180	APS	24-ID-E

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.95	50	99.9	0.185	0.468	12.9	12.9		20505

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.95	3.13			2.883	0.468

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	6XB9	2.95	49.88	19476	1026	99.78	0.2162	0.2149	0.2411	RANDOM	97.703

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]
1.78	0.89		1.78		-5.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.603
r_dihedral_angle_4_deg	16.935
r_dihedral_angle_3_deg	13.607
r_dihedral_angle_1_deg	6.675
r_angle_refined_deg	1.223
r_angle_other_deg	1.049
r_chiral_restr	0.037
r_bond_refined_d	0.003
r_gen_planes_refined	0.003
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.603
r_dihedral_angle_4_deg	16.935
r_dihedral_angle_3_deg	13.607
r_dihedral_angle_1_deg	6.675
r_angle_refined_deg	1.223
r_angle_other_deg	1.049
r_chiral_restr	0.037
r_bond_refined_d	0.003
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6124
Nucleic Acid Atoms
Solvent Atoms	24
Heterogen Atoms	18

Software

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

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 R01GM157729.