1Q6O

Structure of 3-keto-L-gulonate 6-phosphate decarboxylase with bound L-gulonaet 6-phosphate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7	298	16% MePEG 2000, 50 mM BTP pH 7.0, 5 mM MgCl2, microbatch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.13	41.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 123.24	α = 90
b = 41.775	β = 97.15
c = 90.958	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	ADSC QUANTUM 4		2003-04-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	1.0247	APS	14-BM-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.202	100	92.4	29.6			131568		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.202	1.24	69.7		4.5

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.202	91.29	131568	124961	6607	92.02	0.1418	0.1408	0.1605	RANDOM	14.279

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]
-0.67		0.22	1.01		-0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.906
r_scangle_it	4.279
r_sphericity_free	3.791
r_sphericity_bonded	3.617
r_scbond_it	2.931
r_mcangle_it	2.452
r_angle_other_deg	2.07
r_mcbond_it	1.646
r_angle_refined_deg	1.511
r_rigid_bond_restr	1.401
r_symmetry_vdw_other	0.293
r_nbd_other	0.25
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.187
r_symmetry_vdw_refined	0.165
r_symmetry_hbond_refined	0.164
r_chiral_restr	0.12
r_nbtor_other	0.089
r_bond_refined_d	0.012
r_gen_planes_other	0.01
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3297
Nucleic Acid Atoms
Solvent Atoms	561
Heterogen Atoms	36

Software

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