2IHO

Crystal structure of MOA, a lectin from the mushroom Marasmius oreades in complex with the trisaccharide Gal(1,3)Gal(1,4)GlcNAc

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	0.1M Hepes, 2.4 M ammonium formate, 0.6 mg/ml N-ethylmaleimide, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
5.505585	77.65905

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.64	α = 90
b = 104.64	β = 90
c = 112.66	γ = 120

Symmetry
Space Group	P 32 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	CCD	ADSC QUANTUM 315		2006-04-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.97905, 0.93952	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	70	100	0.1	0.11	18	11		36670	2	2	43

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.3	100		0.81	0.39	2.9	11	5263

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	MAD	THROUGHOUT	2.41	19.8	2	2	26661	26661	1413	99.59	0.19152	0.19048	0.21126	RANDOM	35.82

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]
0.22	0.11		0.22		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.02
r_dihedral_angle_4_deg	19.694
r_dihedral_angle_3_deg	14.773
r_dihedral_angle_1_deg	8.613
r_scangle_it	3.639
r_scbond_it	2.382
r_angle_refined_deg	1.522
r_mcangle_it	1.418
r_mcbond_it	0.792
r_nbtor_refined	0.312

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.02
r_dihedral_angle_4_deg	19.694
r_dihedral_angle_3_deg	14.773
r_dihedral_angle_1_deg	8.613
r_scangle_it	3.639
r_scbond_it	2.382
r_angle_refined_deg	1.522
r_mcangle_it	1.418
r_mcbond_it	0.792
r_nbtor_refined	0.312
r_symmetry_vdw_refined	0.232
r_nbd_refined	0.209
r_symmetry_hbond_refined	0.194
r_xyhbond_nbd_refined	0.174
r_chiral_restr	0.108
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2277
Nucleic Acid Atoms
Solvent Atoms	170
Heterogen Atoms	74

Software

Software
Software Name	Purpose
REFMAC	refinement
ProDC	data collection
SHELXS	phasing

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.