Experiment: 1FX5

CRYSTAL STRUCTURE ANALYSIS OF ULEX EUROPAEUS LECTIN I

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LEC	Griffonia simplicifolia lectin IV, 1LEC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4	287	R,S-2-methyl-2,4-pentanediol, sodium acetate, MnCl2, CaCl2, sodium cacodylate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 287.0K

Crystal Properties
Matthews coefficient	Solvent content
3.06	59.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.61	α = 90
b = 70.67	β = 108.6
c = 122.15	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	287	DIFFRACTOMETER	ENRAF-NONIUS FAST		1994-02-07	M	SINGLE WAVELENGTH
2	1	287	DIFFRACTOMETER	ENRAF-NONIUS FAST		1994-07-26
3	1	287	DIFFRACTOMETER	ENRAF-NONIUS FAST		1995-03-28

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR571
2	ROTATING ANODE	ENRAF-NONIUS FR571
3	ROTATING ANODE	ENRAF-NONIUS FR571

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	2.2	40	89.2	0.056	9.5	2.1	29087	29087		2	22.5

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	2.2	2.32	63.6		0.105		1.2	3015

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	Griffonia simplicifolia lectin IV, 1LEC	2.2	40	29087	29087	2898	89.2	0.171	0.171	0.171	0.176	0.217	RANDOM

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
x_torsion_deg	26.5
x_angle_deg	1.738
x_torsion_impr_deg	1.527
x_bond_d	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3695
Nucleic Acid Atoms
Solvent Atoms	194
Heterogen Atoms	176

Software

Software
Software Name	Purpose
MADNESS	data collection
TRUNCATE	data reduction
AMoRE	phasing
X-PLOR	refinement
MADNESS	data reduction
CCP4	data scaling