6Q0Q

Crystal structure of Human galectin-3 CRD in complex with Methyl 3-O-(1-{3-O-[1-(b-D-galactopyranosyl)-1,2,3-triazol-4-yl]-methyl-b-D-galactopyranosyl}-1,2,3-triazol-4-yl)-methyl-b-D-galactopyranoside

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	297	31% PEG 3100, 100 mM tris-HCl pH 7.5, 100 mM MgCl2, 8 mM 2-Mercaptoethanol

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.95	α = 90
b = 57.86	β = 90
c = 62.34	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	100	CCD	ADSC QUANTUM 210		2017-03-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.9737	Australian Synchrotron	MX1

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	1.9	42.41	99.9	0.029	49.6	7.7		9367			11.8900824873

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	1.99	2.06			0.053

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.98601176315	42.4086373395	1.42142543639	9367	481	99.8198580057	0.180851432212	0.178642726982	0.217484394832	13.9130732688

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.2278631909
f_angle_d	1.05695339968
f_chiral_restr	0.0708721744931
f_bond_d	0.00948318714386
f_plane_restr	0.00641792526091

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1112
Nucleic Acid Atoms
Solvent Atoms	86
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	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.