3SNM

Crystal structure of a lectin from Canavalia maritima seeds complexed with Indole-3-Acetic Acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	Buffer Tris 0.1 M pH 8.5, PEG 4000 30%, lithium sulphate 0.2M, VAPOR DIFFUSION, HANGING DROP, temperature 293K, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.19	α = 90
b = 70.74	β = 90
c = 97.75	γ = 90

Symmetry
Space Group	I 2 2 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	MAR CCD 130 mm		2009-05-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.433	LNLS	D03B-MX1

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	2.15	24.36	96.4843			12629	11903		4

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	2.15	24.36	12629	11903	584	96.48	0.20714	0.20627	0.22539	RANDOM	28.088

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]
1.07			-0.34		-0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.841
r_dihedral_angle_4_deg	20.852
r_dihedral_angle_3_deg	18.908
r_dihedral_angle_1_deg	9.912
r_sphericity_free	9.084
r_scangle_it	5.487
r_sphericity_bonded	4.431
r_scbond_it	4.028
r_mcangle_it	2.658
r_angle_refined_deg	2.654
r_rigid_bond_restr	2.654
r_mcbond_it	1.716
r_chiral_restr	0.172
r_bond_refined_d	0.026
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1755
Nucleic Acid Atoms
Solvent Atoms	60
Heterogen Atoms	24

Software

Software
Software Name	Purpose
iMOSFLM	data reduction
Coot	model building
REFMAC	refinement
SCALA	data scaling