1KET | pdb_00001ket

The crystal structure of dTDP-D-glucose 4,6-dehydratase (RmlB) from Streptococcus suis with thymidine diphosphate bound

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1G1A	PDB ENTRY 1G1A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.4	293	35% w/v PEG 4000, 0.1M Citric acid pH 5.4, 0.3M ammonium sulphate and 3% 1,6-hexanediol, VAPOR DIFFUSION, HANGING DROP at 293K

Crystal Properties
Matthews coefficient	Solvent content
3.65	66.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.347	α = 90
b = 98.994	β = 90
c = 184.643	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	100	CCD	ADSC QUANTUM 4	mirrors	2001-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6	0.870	SRS	PX9.6

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.8	52	97.7	0.086	0.073	6.9	3.3		104163			15.751

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.9	92.7		0.306	0.251	2.9	2.7	8000

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-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1G1A	1.8	500	106632	104051	10280	97.6	0.1972	0.2167	RANDOM	18.3908

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
o_dihedral_angle_d	22.4115
c_angle_deg	1.2543
o_improper_angle_d	0.7839
c_bond_d	0.0078

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5478
Nucleic Acid Atoms
Solvent Atoms	585
Heterogen Atoms	138

Software

Software
Software Name	Purpose
AMoRE	phasing
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling