3S5V

Structure of the cyanobacterial Oscillatoria Agardhii Agglutinin (OAA) in free state obtained at -180 degrees Celsius

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	298	2.0 M (NH4)SO4 and 0.1 M Tris-HCl (pH 8.5), VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.899	α = 90
b = 40.096	β = 90
c = 68.986	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	IMAGE PLATE	RIGAKU RAXIS IV		2010-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E SUPERBRIGHT	1.54

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	1.55	34.67	98.7	0.024	52.7		16074	15223	3	2

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	1.55	1.59	89.2		0.083	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3OBL	1.55	34.67	1	16074	15223	808	98.68	0.18165	0.18102	0.19302	RANDOM	11.693

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]
0.11			-0.03		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.048
r_dihedral_angle_3_deg	11.108
r_dihedral_angle_1_deg	6.599
r_dihedral_angle_4_deg	5.149
r_scangle_it	2.66
r_scbond_it	1.841
r_angle_refined_deg	1.282
r_mcangle_it	1.231
r_mcbond_it	0.737
r_chiral_restr	0.098

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.048
r_dihedral_angle_3_deg	11.108
r_dihedral_angle_1_deg	6.599
r_dihedral_angle_4_deg	5.149
r_scangle_it	2.66
r_scbond_it	1.841
r_angle_refined_deg	1.282
r_mcangle_it	1.231
r_mcbond_it	0.737
r_chiral_restr	0.098
r_bond_refined_d	0.011
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	983
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	5

Software

Software
Software Name	Purpose
StructureStudio	data collection
PHASER	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.