1AX2

ERYTHRINA CORALLODENDRON LECTIN IN COMPLEX WITH N-ACETYLLACTOSAMINE

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
3.83	67.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.93	α = 90
b = 73.17	β = 113.36
c = 71.31	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)	1993-09-26	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	94	0.052	0.052	13	2.4		27182			25.1

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	1.95	2.04	82		0.052	0.267	3.5	2.1

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	26190	2604	96	0.169	0.169	0.177	RANDOM	27.5

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]
-2.77		-0.12	1.91		0.86

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.2
c_scangle_it	4.93
c_scbond_it	3.34
c_mcangle_it	2.45
c_mcbond_it	1.56
c_angle_deg	1.5
c_improper_angle_d	1.24
c_bond_d	0.006
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	154
Heterogen Atoms	108

Software

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