1NPL

MANNOSE-SPECIFIC AGGLUTININ (LECTIN) FROM DAFFODIL (NARCISSUS PSEUDONARCISSUS) BULBS IN COMPLEX WITH MANNOSE-ALPHA1,3-MANNOSE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	290	VAPOUR DIFFUSION, SITTING DROP, 10 MG/ML IN PBS CONTAINING UP TO 20 MM MANNOBIOSE, EQUILIBRATED AGAINST 40 - 60% AMMONIUM SULPHATE. 17 DEG. C, 4 - 6 DAYS, pH 6.5, vapor diffusion - sitting drop, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.43	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.3	α = 90
b = 101.2	β = 90
c = 37.3	γ = 90

Symmetry
Space Group	C 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	MARRESEARCH	MIRROR, MONOCHROMATOR	1996-09-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

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	60	98.6	0.067	0.07	7.26	2.9		9490			20.1

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	2.12	98.5		0.273	0.276	2.2	2.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2	10	8984	457	98.6	0.187	0.267	RANDOM	27.6

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
p_transverse_tor	17.1
p_staggered_tor	16.5
p_planar_tor	8.9
p_scangle_it	3.06
p_mcangle_it	2.82
p_scbond_it	2.08
p_mcbond_it	2.04
p_multtor_nbd	0.207
p_singtor_nbd	0.185
p_chiral_restr	0.14
p_planar_d	0.039
p_angle_d	0.037
p_bond_d	0.015
p_plane_restr	0.015
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	858
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	107

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing
REFMAC	refinement
CCP4	data scaling