Experiment: 2DH4

Geranylgeranyl pyrophosphate synthase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	25mM Tris-HCl, 150mM NaCl, 0.1% Triton X-100, 80mM Na-acetate, 145mM ammonium sulphate, 13% PEG 4000, 8% propanediol , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.747	α = 90
b = 116.331	β = 90
c = 129.768	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		2005-02-04	M	MAD
2	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2005-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL12B2	1.0332, 0.9799, 0.9796, 0.9537	SPring-8	BL12B2
2	SYNCHROTRON	NSRRC BEAMLINE BL17B2	1.1274	NSRRC	BL17B2

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	1.98	50	96.2	0.053	28	5	52304	50750		1

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)
	1.98	2.05	82.7		0.528	2.5	4.1	5175

Refinement

Statistics
Diffraction ID	Structure Solution 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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD with data collected on Se-Met crystal at 0.9796 A.	1.98	50	52304	47348	2373	90.5	0.192	0.192	0.189	0.1887	0.243	0.2439	RANDOM

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
c_angle_deg	1.66
c_bond_d	0.018

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5320
Nucleic Acid Atoms
Solvent Atoms	578
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-2000	data collection
HKL-2000	data reduction
SOLVE	phasing
CNS	refinement
HKL-2000	data scaling