6XBR

Streptomyces coelicolor methylmalonyl-CoA epimerase (E43L) in complex with 2-nitronate-propionyl-CoA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1JC5

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	100 mM Bis-Tris:HCl pH 7.0, 700 mM ammonium sulfate, 5% PEG 400

Crystal Properties
Matthews coefficient	Solvent content
3.71	66.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.601	α = 90
b = 68.601	β = 90
c = 103.582	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	IMAGE PLATE	MAR scanner 300 mm plate	MD2 microdifractometer	2019-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.55	30	99.1	0.104	0.103	0.108	0.029	0.995	437.9	13.8		36301			26.597

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.61	98.2		0.815	0.722	0.846	0.227	0.891	9.4	13.6

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	1JC5	1.55	29.43	34540	1720	98.88	0.1505	0.1495	0.1699	RANDOM	26.597

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]
-0.08			-0.08		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.706
r_dihedral_angle_3_deg	12.69
r_dihedral_angle_4_deg	11.222
r_dihedral_angle_1_deg	7.545
r_angle_refined_deg	2.285
r_angle_other_deg	1.874
r_chiral_restr	0.256
r_bond_refined_d	0.015
r_gen_planes_refined	0.011
r_gen_planes_other	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.706
r_dihedral_angle_3_deg	12.69
r_dihedral_angle_4_deg	11.222
r_dihedral_angle_1_deg	7.545
r_angle_refined_deg	2.285
r_angle_other_deg	1.874
r_chiral_restr	0.256
r_bond_refined_d	0.015
r_gen_planes_refined	0.011
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1108
Nucleic Acid Atoms
Solvent Atoms	268
Heterogen Atoms	68

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ARP/wARP	model building
HKL-2000	data reduction

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.