2QHA

From Structure to Function: Insights into the Catalytic Substrate Specificity and Thermostability Displayed by Bacillus subtilis mannanase BCman

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.12	290	7.5% PEG4000, 80mM sodium chloride, 100mM sodium citrate (pH5.12), VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.179	α = 83.03
b = 58.785	β = 82.42
c = 63.463	γ = 77.61

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	90	IMAGE PLATE	MAR scanner 345 mm plate		2006-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	1.45	8	90.8	0.034	51.9	5.9	95614	95614	3	3	13.8

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	1.45	1.48	80.1		0.182	11.3	5.3	95614

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	SIRAS	THROUGHOUT	1.45	8	3	95614	95614	5158	90.84	0.15984	0.15823	0.18993	RANDOM	13.881

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]
-0.02	-0.03	0.01	0.04	-0.02	-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.581
r_dihedral_angle_4_deg	16.491
r_dihedral_angle_3_deg	11.847
r_dihedral_angle_1_deg	5.935
r_sphericity_free	2.644
r_scangle_it	2.457
r_scbond_it	2.125
r_rigid_bond_restr	2.081
r_sphericity_bonded	1.996
r_mcangle_it	1.133
r_angle_refined_deg	1.13
r_mcbond_it	0.729
r_nbtor_refined	0.307
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.146
r_xyhbond_nbd_refined	0.134
r_symmetry_hbond_refined	0.132
r_chiral_restr	0.073
r_metal_ion_refined	0.009
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5392
Nucleic Acid Atoms
Solvent Atoms	909
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
DENZO	data reduction
SCALEPACK	data scaling
DM	phasing