Experiment: 2X06

SULFOLACTATE DEHYDROGENASE FROM METHANOCALDOCOCCUS JANNASCHII

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.6	293	PEG 8000, SODIUM CHLORIDE, NADH, SPERMINE TETRA-HCL, TRIS, PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.93	α = 90
b = 203.71	β = 112.05
c = 100.05	γ = 90

Symmetry
Space Group	P 1 21 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	MARRESEARCH	MIRRORS	2002-12-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.979682, 0.979558, 0.977769	ESRF	BM30A

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	2.5	101.86	95.9	0.13	22.14	23.26		2309530		-3	31.38

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	2.5	2.67	84.6		0.57	3.62	12.34

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	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	MAD	NONE	2.5	32.831	1.36	99250	4958	96.06	0.1567	0.153	0.1499	0.2242	0.2192	38.43

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]
-5.3254		3.282	5.5172		-0.1918

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.04
f_angle_d	1.326
f_chiral_restr	0.115
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20984
Nucleic Acid Atoms
Solvent Atoms	500
Heterogen Atoms	352

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
TRUNCATE	data scaling
SnB	phasing
MLPHARE	phasing
PHENIX	refinement