1AX1

ERYTHRINA CORALLODENDRON LECTIN IN COMPLEX WITH LACTOSE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7.

Crystal Properties
Matthews coefficient	Solvent content
3.82	67.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.06	α = 90
b = 72.97	β = 113.39
c = 71.24	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	298	IMAGE PLATE	RIGAKU RAXIS II	FRANCKS MIRRORS (SUPPER 2 X 6 CM MIRRORS)	1993-06-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	1.95	20	91.4	0.056	0.056	12	2.2		27823			30.8

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	1.95	2.04	91		0.056	0.263	5	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	DIFFERENCE FOURIER FROM PREVIOUSLY DETERMINED, RELATED STRUCTURE	THROUGHOUT	COMPLEX WITH LACTOSE, PDB ENTRY 1LTE	1.95	6	26067	2583	93.4	0.173	0.173	0.2	RANDOM	32.4

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]
-2.47		0.06	3		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.2
c_scangle_it	4.81
c_scbond_it	3.28
c_mcangle_it	2.44
c_mcbond_it	1.54
c_angle_deg	1.5
c_improper_angle_d	1.25
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1855
Nucleic Acid Atoms
Solvent Atoms	148
Heterogen Atoms	105

Software

Software
Software Name	Purpose
X-PLOR	model building
CNS	refinement
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing