Experiment: 3GEG

Fingerprint and Structural Analysis of a SCOR enzyme with its bound cofactor from Clostridium thermocellum

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3GED	PDB entry 3GED

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop vapor diffusion		298	25% (w/v) PEG 4000,100mM TAPs pH9.0, 50mM sodium thiosulfate pentahydrate 1:1 cocktail to protein ratio (10mg/ml), hanging drop vapor diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.272	α = 90
b = 124.272	β = 90
c = 161.208	γ = 90

Symmetry
Space Group	I 41 2 2

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 Q315		2006-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.979454	SSRL	BL11-1

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	50	99.8	0.078	17.3	11		36901		-3

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	2.1	2.16	100		0.317	5.6	6

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	MOLECULAR REPLACEMENT	PDB entry 3GED	2.102	43.937	1.34	36874	1841	99.69	0.169	0.167	0.1656	0.2	0.1959	30.321

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]
-0.836			-0.836		1.636

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.754
f_angle_d	1.33
f_chiral_restr	0.507
f_bond_d	0.01
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3740
Nucleic Acid Atoms
Solvent Atoms	293
Heterogen Atoms	107

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling