6SL8

Diaminobutyrate acetyltransferase EctA from Paenibacillus lautus in complex with its substrate L-2,4-diaminobutyric acid (DAB)

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		285	0.2 M sodium sulphate, 20 % (w/v) PEG 3350, 0.1 M Bis-Tris propane pH 8.5, 20 mM L-2,4-diaminobutyrate

Crystal Properties
Matthews coefficient	Solvent content
3.12	60.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.979	α = 90
b = 57.979	β = 90
c = 134.461	γ = 90

Symmetry
Space Group	P 43 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	100	PIXEL	DECTRIS EIGER2 X 4M		2017-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-1	0.9677	ESRF	MASSIF-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (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	1.51	53.24	99.9	0.053	16.64	8.8		36817

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.51	1.6	99.9		1.453	1.32	8.8

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	6SLL	1.53	53.24	33578	1736	99.65	0.1792	0.1775	0.214	RANDOM	31.658

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			0.01		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.72
r_dihedral_angle_4_deg	19.137
r_dihedral_angle_3_deg	12.694
r_dihedral_angle_1_deg	6.302
r_angle_refined_deg	2.345
r_angle_other_deg	1.163
r_chiral_restr	0.145
r_bond_refined_d	0.024
r_gen_planes_refined	0.012
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.72
r_dihedral_angle_4_deg	19.137
r_dihedral_angle_3_deg	12.694
r_dihedral_angle_1_deg	6.302
r_angle_refined_deg	2.345
r_angle_other_deg	1.163
r_chiral_restr	0.145
r_bond_refined_d	0.024
r_gen_planes_refined	0.012
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1267
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	25

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
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.