6MC0

Crystal Structure of Ribose-5-phosphate Isomerase from Legionella pneumophila with Bound Substrate Ribose-5-Phosphate and Product Ribulose-5-Phosphate

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	290	LepnA.00944.a.B1.PS38423 at 22.85 mg/ml was mixed 1:1 with MCSG1(B8): 25.5% (w/v) PEG-4,000, 15% (v/v) Glycerol, 0.085 M Tris Base / Hydrochloric, 0.17 M Sodium Acetate, pH = 8.5.Crystals from tray 300294b8 were then soaked overnight mixed 1:1 with MCSG1(B8) condition suplemented with 5 mM ribulose-5-phosphate. Tray: 300294b8. Puck: kbr1-2

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.29	α = 90
b = 67.56	β = 118.82
c = 73.32	γ = 90

Symmetry
Space Group	C 1 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	CCD	RIGAKU SATURN 944+		2018-08-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	2	45.247	99.3	0.064	0.074	0.999	15.57	4.066		29874			32.21

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	99.6		0.449	0.551	0.793	2.22	2.592

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	6EEP	2	45.247	1.34	29816	2020	99.44	0.1576	0.1542	0.2028	31.424

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	3232
Nucleic Acid Atoms
Solvent Atoms	424
Heterogen Atoms	30

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	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 R01GM157729.