3OY8

Crystal structure of human galectin-1 in complex with lactobionic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	293	4-8 microlitre drops consisting of equal volumes of protein solution (20 mM sodium potassium phosphate buffer, pH 7.0, and protein at concentration of 10 mg/mL) and reservoir solution (0.2 M ammonium sulphate, 25% w/v polyethylene glycol 4000, 0.1M sodium acetate trihydrate, pH 6.2), VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.711	α = 90
b = 58.57	β = 90
c = 111.622	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	293	CCD	BRUKER SMART 6000		2009-02-16	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.19	56.2	94.6	0.051	10		14888	14888

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	FOURIER SYNTHESIS	THROUGHOUT	2.19	55.81	14888	14103	752	94.58	0.17516	0.17259	0.22606	RANDOM	29.687

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]
1.56			-1.42		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.288
r_dihedral_angle_4_deg	16.39
r_dihedral_angle_1_deg	13.492
r_dihedral_angle_3_deg	13.439
r_mcangle_it	5.238
r_mcbond_it	3.45
r_scangle_it	2.658
r_scbond_it	1.77
r_angle_refined_deg	1.051
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.223
r_nbd_refined	0.181
r_symmetry_vdw_refined	0.134
r_xyhbond_nbd_refined	0.115
r_chiral_restr	0.066
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2065
Nucleic Acid Atoms
Solvent Atoms	139
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PROTEUM PLUS	data collection
REFMAC	refinement
SAINT	data reduction
SCALA	data scaling