1AXZ

ERYTHRINA CORALLODENDRON LECTIN IN COMPLEX WITH D-GALACTOSE

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		UNLIGANDED ECORL

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 = 84.202	α = 90
b = 72.99	β = 113.44
c = 71.29	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	FRANCKS MIRRORS (SUPPER 2 X 6 CM MIRRORS)	1996-06-25	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	95.4	0.06	0.06	20	3.4		28798			20.4

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	2.02	95		0.06	0.24	4.5	3.3

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	UNLIGANDED ECORL	1.95	6	27809	1710	99.5	0.179	0.179	0.206	RANDOM	23.2

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]
-3.39		0.51	2.18		1.2

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.2
c_scangle_it	3.86
c_scbond_it	2.59
c_mcangle_it	2.15
c_mcbond_it	1.45
c_angle_deg	1.4
c_improper_angle_d	1.17
c_bond_d	0.005
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	135
Heterogen Atoms	106

Software

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