3BWZ

Crystal structure of the type II cohesin module from the cellulosome of Acetivibrio cellulolyticus with an extended linker conformation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	2.0 M ammonium sulfate and 0.1 M sodium acetate trihydrate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.455	α = 90
b = 55.78	β = 90
c = 87.912	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 210		2001-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.2	47.09	95.8	0.046	0.046	13	4	53407	53407			10.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.2	1.22	99.1		0.17	0.17	4	4	2848

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1ZV9	1.2	47.09	53047	2802	95.61	0.12352	0.12352	0.12201	0.15209	RANDOM	9.558

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]
-0.74			0.16		0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.531
r_dihedral_angle_3_deg	11.822
r_dihedral_angle_1_deg	6.916
r_sphericity_free	6.431
r_scangle_it	4.949
r_dihedral_angle_4_deg	4.216
r_scbond_it	3.669
r_sphericity_bonded	3.649
r_mcangle_it	2.943
r_angle_other_deg	2.759
r_mcbond_it	2.482
r_rigid_bond_restr	1.856
r_angle_refined_deg	1.59
r_mcbond_other	1.323
r_symmetry_vdw_refined	0.293
r_symmetry_vdw_other	0.249
r_symmetry_hbond_refined	0.233
r_nbd_refined	0.218
r_nbd_other	0.188
r_xyhbond_nbd_refined	0.177
r_nbtor_refined	0.17
r_chiral_restr	0.099
r_nbtor_other	0.092
r_bond_refined_d	0.013
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1367
Nucleic Acid Atoms
Solvent Atoms	361
Heterogen Atoms	11

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling