Experiment: 3ZQW

Structure of CBM3b of major scaffoldin subunit ScaA from Acetivibrio cellulolyticus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		1.9 M AMMONIUM SULFATE, 0.1 M HEPES PH 7.5, 0.5% (W/V) POLYETHYLENE GLYCOL 400.

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.506	α = 90
b = 52.506	β = 90
c = 193.978	γ = 120

Symmetry
Space Group	P 61 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	MARRESEARCH	MIRRORS	2011-02-23	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29
2	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	1.08	50	98.9	0.08	24.4	17.57		69264			6.5

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	1.08	1.1	97.2		0.65	1.8	9.7

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	SAD	NONE	1.07	19.616	1.35	130568	3709	98.98	0.1219	0.1215	0.2593	0.1352	0.2494	7.59

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]
-1.145			-1.145		2.2901

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.994
f_angle_d	1.403
f_chiral_restr	0.098
f_bond_d	0.011
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1187
Nucleic Acid Atoms
Solvent Atoms	294
Heterogen Atoms	22

Software

Software
Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing