2WOB

3b' carbohydrate-binding module from the Cel9V glycoside hydrolase from Clostridium thermocellum. Orthorhombic structure

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		0.2 M AMMONIUM ACETATE, 0.1 M TRI-SODIUM CITRATE DIHYDRATE PH 5.6, 30% W/V PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.029	α = 90
b = 86.611	β = 90
c = 242.37	γ = 90

Symmetry
Space Group	C 2 2 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	IMAGE PLATE	RIGAKU RAXIS IV	OSMIC CONFOCAL MIRRORS	2004-03-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU ULTRAX 18

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	50	95	0.08	16.9	3.5		41368			31.5

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	2	2.03	89.7		0.49	1.6	2.9

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2W04	2	121.18	37305	1973	95.03	0.16298	0.16025	0.2138	RANDOM	33.402

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]
1.33			0.53		-1.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.819
r_dihedral_angle_4_deg	19.772
r_dihedral_angle_3_deg	16.291
r_scangle_it	9.087
r_dihedral_angle_1_deg	7.896
r_scbond_it	6.228
r_mcangle_it	4.601
r_mcbond_it	2.998
r_angle_refined_deg	1.893
r_chiral_restr	0.15
r_bond_refined_d	0.024
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3505
Nucleic Acid Atoms
Solvent Atoms	269
Heterogen Atoms	3

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing