Experiment: 4E21

The crystal structure of 6-phosphogluconate dehydrogenase from Geobacter metallireducens

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	291	0.2 M ammonium acetate, 0.1 M Bis-tris pH 5.5, 45% v/v (+/-)-2-Methyl-2,4-pentanediol, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 101.297	α = 90
b = 184.832	β = 90
c = 93.496	γ = 90

Symmetry
Space Group	C 2 2 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	PIXEL	PSI PILATUS 6M	mirrors	2012-03-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.9788	NSLS	X25

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	2.3	50	98.4	0.092	14.33	6.1		38644			26.14

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	2.3	2.38	96.3		0.477	2.5	5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.301	41.715	0.04	36608	1867	93.09	0.1975	0.1952	0.1946	0.2395	0.2323

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]
3.0324			-12.7131		9.6808

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.696
f_angle_d	1.187
f_chiral_restr	0.077
f_bond_d	0.01
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4810
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	16

Software

Software
Software Name	Purpose
CBASS	data collection
SHELXS	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling