1YON

Escherichia coli ketopantoate reductase in complex with 2-monophosphoadenosine-5'-diphosphate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	290	10% 2-methyl-2,4-pentanediol, 0.1M sodium acetate, 2mM NADPH, 2mM pantoate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
3.07	59.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.318	α = 90
b = 65.833	β = 90
c = 98.207	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		2004-02-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.939	ESRF	ID14-4

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	1.95	50	99.2	0.115	23.2	13.6	29230	28985			28.2

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	1.95	2	92.7		0.476	2.6		1760

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1KS9	1.95	19.7	2	28985	27466	1471	98.61	0.16815	0.16815	0.16602	0.20986	RANDOM	31.052

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]
1.56			-0.75		-0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	6.856
r_dihedral_angle_1_deg	5.979
r_mcangle_it	4.607
r_scbond_it	4.562
r_mcbond_it	3.169
r_angle_refined_deg	1.753
r_angle_other_deg	0.847
r_symmetry_vdw_refined	0.33
r_symmetry_vdw_other	0.302
r_nbd_other	0.25
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.165
r_symmetry_hbond_refined	0.136
r_chiral_restr	0.098
r_nbtor_other	0.09
r_bond_refined_d	0.02
r_gen_planes_other	0.015
r_gen_planes_refined	0.011
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2280
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing