1FS5

A DISCOVERY OF THREE ALTERNATE CONFORMATIONS IN THE ACTIVE SITE OF GLUCOSAMINE-6-PHOSPHATE ISOMERASE

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	HEPES, sodium potassium tatrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 291K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.228	α = 90
b = 124.228	β = 90
c = 222.724	γ = 120

Symmetry
Space Group	H 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MARRESEARCH		1999-01-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.73	50	95.9	0.09	8.1	3.5	65086				18.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.73	1.85	94.8		0.301		2.9	10624

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	1.73	50	65086	65086	6599	95.9	0.212	0.251	RANDOM	25.2

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]
0.78	-1.75		0.78		-1.56

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.2
c_angle_deg	1.3
c_scangle_it	1.22
c_improper_angle_d	0.92
c_mcangle_it	0.85
c_scbond_it	0.81
c_mcbond_it	0.49
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4184
Nucleic Acid Atoms
Solvent Atoms	1038
Heterogen Atoms	48

Software

Software
Software Name	Purpose
CNS	refinement
MAR345	data collection
DENZO	data reduction
CCP4	data scaling
CNS	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.