Experiment: 1F9K

WINGED BEAN ACIDIC LECTIN COMPLEXED WITH METHYL-ALPHA-D-GALACTOSE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		WINGED BEAN BASIC LECTIN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	7.2	298	CRYSTALS WERE GROWN BY BATCH METHOD BY MIXING 35 MICROLITERS OF A SOLUTION CONTAINING 25 MG/ML PROTEIN SOLUTION IN 0.02 M PHOSPHATE BUFFER AT PH 7.2, CONTAINING 0.15 M SODIUM CHLORIDE, 0.025 (W/V) SODIUM NITRITE, 20 TIMES MOLAR EXCESS OF METHYL-ALPHA-D-GALACTOSE WITH 23 MICROLITRES OF 30% PEG4000 SOLUTION IN THE SAME BUFFER. PEG4000, Sodium Phosphate, sodium chloride, sodium azide, LIQUID DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 182.11	α = 90
b = 182.11	β = 90
c = 44.99	γ = 120

Symmetry
Space Group	H 3

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	MARRESEARCH		1998-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	3	28	98.9	0.11		4.2	47085	11152			38.1

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	3	3.1	98.2		0.44			1115

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 (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	WINGED BEAN BASIC LECTIN	3	20	11152	10646	868	95.9	0.195	0.195	0.1984	0.251	0.2461	RANDOM	46.7

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]
5.6	2.03		5.6		-11.19

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.4
c_angle_deg	1.5
c_improper_angle_d	1
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3430
Nucleic Acid Atoms
Solvent Atoms	41
Heterogen Atoms	95

Software

Software
Software Name	Purpose
AMoRE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling