2GMU

Crystal structure of E coli GDP-4-keto-6-deoxy-D-mannose-3-dehydratase complexed with PLP-glutamate ketimine intermediate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GMS	PDB ENTRY 2GMS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	6	298	14% PEG 3400, 0.05 M MES, 0.2 M MgCl2, 0.1 M NaCl, 1 mM pyridoxal-5-phosphate, 2 mM glutamate, 2 mM GDP, pH 6.0, batch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.9	α = 90
b = 88	β = 90
c = 126	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	AREA DETECTOR	SIEMENS HI-STAR	supper mirrors	2005-10-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	1.9	30	88	0.0546	11.3	3.1	72854	72854

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)
	1.9	1.99	79		0.31	1.3	1.4	7334

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2GMS	1.9	30	61081	61081	6079	88	0.176	0.176	0.174	0.231	random

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_angle_deg	2.6
t_bond_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6255
Nucleic Acid Atoms
Solvent Atoms	295
Heterogen Atoms	51

Software

Software
Software Name	Purpose
FRAMBO	data collection
XDS	data reduction
PHASER	phasing
TNT	refinement
XDS	data scaling

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.