1GZ9 | pdb_00001gz9

High-Resolution Crystal Structure of Erythrina cristagalli Lectin in Complex with 2'-alpha-L-Fucosyllactose

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		ECL LACTOSE COMPLEX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		2M AMMONIUM SULFATE, 0.1M TRIS PH 7.5, 10% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
4	69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.9	α = 90
b = 80.9	β = 90
c = 125.9	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		2001-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711		MAX II	I711

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	1.7	34	99.3	0.067	17.5	9.3		46349			20.4

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	1.7	1.8	99.2		0.69	2.6	5.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	ECL LACTOSE COMPLEX	1.7	31.37	43406	4372	92.8	0.209	0.209	0.2	0.239	0.23	RANDOM	29.8

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]
5.55			5.55		-11.1

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.2
c_scangle_it	5.62
c_scbond_it	4.16
c_mcangle_it	3.53
c_mcbond_it	2.69
c_angle_deg	1.9
c_improper_angle_d	1.23
c_bond_d	0.015
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	1849
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms	35

Software

Software
Software Name	Purpose
CNS	refinement
XDS	data reduction
XSCALE	data scaling