Experiment: 3ZU8

STRUCTURE OF CBM3B OF MAJOR SCAFFOLDIN SUBUNIT SCAA FROM ACETIVIBRIO CELLULOLYTICUS DETERMINED ON THE NIKEL ABSORPTION EDGE

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 = 52.263	α = 90
b = 52.263	β = 90
c = 192.938	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	MARMOSAIC 225 mm CCD	BENT COLLIMATING MIRROR AND TOROID	2011-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	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	1.8	50	99.3	0.06	43.6	10.9		15471			20.3

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	1.8	1.83	97.1		0.36	4.96	9.9

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-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	NONE	1.801	45.261	1.36	27239	1360	99.81	0.1554	0.154	0.1819	0.1662	11.05

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]
2.262			2.262		-4.5239

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.209
f_angle_d	1.109
f_chiral_restr	0.091
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1187
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	22

Software

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