8DOQ

Crystal structure of 2,3-diketo-5-methylthiopentyl-1-phosphate enolase-phosphatase from Klebsiella aerogenes (P21 Form)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	8DOP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	291	Morpheus A4: 12.5%(v/v) MPD, 12.5%(v/v) PEG 1000, 12.5%(w/v) PEG 3350, 100 mM Imidazole/MES, 30 mM MgCl2 and 30 mM CaCl2, KlaeA.01229.a.B1 at 15 mg/mL, Tray: plate 12527 well A4 drop 1, Puck: PSL0809, Cryo: DIRECT; Electron density consistent with a benzoic acid molecule was observed and modeled. The source of this is unknown and it may have been acquired from the expression host

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.35	α = 90
b = 70.5	β = 90.91
c = 66.84	γ = 90

Symmetry
Space Group	P 1 21 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 XE 9M		2022-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 19-ID	0.97949	NSLS-II	19-ID

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	1.65	70.5	99.9	0.094	0.111	0.058	0.992	6.4	3.5		55090			16.81

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	1.65	1.69	99.6		0.355	0.418	0.218	0.896		3.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	8DOP	1.65	39.4	1.34	55008	2718	99.75	0.1807	0.1791	0.2094	26.6252

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3262
Nucleic Acid Atoms
Solvent Atoms	307
Heterogen Atoms	25

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PHENIX	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.