4M1R

Structure of a novel cellulase 5 from a sugarcane soil metagenomic library

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	291	35% (v/v) isopropanol, 30% (w/v) PEG3350 and 100 mM Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.888	α = 90
b = 87.512	β = 98.55
c = 66.63	γ = 90

Symmetry
Space Group	P 1 21 1

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		2012-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE W01B-MX2	1.458	LNLS	W01B-MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	93.5			41174	41174	1	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.8	28.55	41174	39059	2062	93.27	0.13284	0.13072	0.17271	RANDOM	15.097

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]
-0.01			0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.193
r_dihedral_angle_4_deg	19.748
r_dihedral_angle_3_deg	13.283
r_dihedral_angle_1_deg	6.571
r_scangle_it	4.564
r_scbond_it	3.099
r_mcangle_it	1.899
r_angle_refined_deg	1.876
r_mcbond_it	1.206
r_chiral_restr	0.164
r_bond_refined_d	0.027
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4488
Nucleic Acid Atoms
Solvent Atoms	389
Heterogen Atoms	16

Software

Software
Software Name	Purpose
NatXray	data collection
PHASER	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling