3KIH

The crystal structures of two fragments truncated from 5-bladed beta-propeller lectin, tachylectin-2 (Lib2-D2-15)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TL2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microbatch under oil	7	298	100mM HEPES, 0.2M magnesium chloride, 20% PEG 6000, pH 7, Microbatch under oil, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 125.566	α = 90
b = 56.418	β = 122.9
c = 86.306	γ = 90

Symmetry
Space Group	C 1 2 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	IMAGE PLATE	RIGAKU RAXIS IV++		2009-04-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	2.49	50	98.9				17718

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.54	90.3

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	1TL2	2.49	50	17081	16813	905	98.43	0.23654	0.23311	0.29903	RANDOM	37.346

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]
-0.48		-2.01	0.04		-1.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.096
r_dihedral_angle_3_deg	18.737
r_dihedral_angle_4_deg	17.372
r_dihedral_angle_1_deg	7.007
r_scangle_it	2.162
r_angle_refined_deg	1.52
r_scbond_it	1.346
r_mcangle_it	1.052
r_mcbond_it	0.56
r_chiral_restr	0.107

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.096
r_dihedral_angle_3_deg	18.737
r_dihedral_angle_4_deg	17.372
r_dihedral_angle_1_deg	7.007
r_scangle_it	2.162
r_angle_refined_deg	1.52
r_scbond_it	1.346
r_mcangle_it	1.052
r_mcbond_it	0.56
r_chiral_restr	0.107
r_bond_refined_d	0.012
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3675
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms	60

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	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 R01GM157729.