3CUI

Cellulomonas fimi Xylanase/Cellulase Cex (Cf Xyn10A) in complex with sulfur substituted beta-1,4 xylotetraose

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2EXO	PDB entry 2EXO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	PEG4000, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.7	α = 90
b = 85.7	β = 90
c = 78.977	γ = 90

Symmetry
Space Group	P 41 21 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 QUANTUM 4		2003-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1	0.976	CHESS	A1

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	1.4	30	99.7	0.129	15.2	12.6	58181	58006

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)
	1.4	1.42	100		0.838		10.3	2871

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 2EXO	1.5	19.87	47672	47481	2852	99.57	0.135	0.133	0.167	RANDOM	17.368

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.659
r_dihedral_angle_4_deg	17.148
r_dihedral_angle_3_deg	10.73
r_dihedral_angle_1_deg	5.802
r_sphericity_free	4.385
r_scangle_it	2.949
r_sphericity_bonded	2.827
r_scbond_it	2.137
r_mcangle_it	1.41
r_angle_refined_deg	1.293
r_rigid_bond_restr	1.198
r_mcbond_it	1.009
r_nbtor_refined	0.308
r_symmetry_hbond_refined	0.218
r_nbd_refined	0.197
r_symmetry_vdw_refined	0.193
r_xyhbond_nbd_refined	0.123
r_chiral_restr	0.082
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2444
Nucleic Acid Atoms
Solvent Atoms	472
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
CNS	refinement
DENZO	data reduction
PDB_EXTRACT	data extraction
ADSC	data collection
CNS	phasing