1SO4

Crystal structure of K64A mutant of 3-keto-L-gulonate 6-phosphate decarboxylase with bound L-threonohydroxamate 4-phosphate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7	293	16% PEG 5000 methyl ether, 100 mM BTP pH 7.0, 5 mM MgCl2, Microbatch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.976	α = 90
b = 41.9	β = 96.92
c = 91.322	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	CUSTOM-MADE		2003-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.961	APS	19-ID

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	1.575	91.29	99.5	0.063	25.6		62079	62079

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-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.7	91.29	49331	49331	3135	96.44	0.16402	0.16402	0.16194	0.20456	RANDOM	17.022

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]
-1.01		0.24	1.59		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.197
r_scangle_it	4.046
r_scbond_it	2.561
r_angle_refined_deg	1.61
r_mcangle_it	1.606
r_angle_other_deg	1.413
r_mcbond_it	0.936
r_symmetry_vdw_other	0.296
r_nbd_other	0.251
r_nbd_refined	0.228
r_symmetry_vdw_refined	0.226
r_xyhbond_nbd_refined	0.182
r_symmetry_hbond_refined	0.147
r_chiral_restr	0.101
r_nbtor_other	0.085
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3267
Nucleic Acid Atoms
Solvent Atoms	563
Heterogen Atoms	30

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction