Experiment: 1WS4

Crystal structure of Jacalin- Me-alpha-Mannose complex: Promiscuity vs Specificity

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UGW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.3	298	25% PEG 4K, 0.2M ammonium sulphate, 0.1M sodium acetate trihydrate buffer, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.1	60.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.287	α = 90
b = 99.416	β = 90
c = 105.464	γ = 90

Symmetry
Space Group	P 21 21 21

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	osmic mirrors	2004-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE		1.5418

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	1.9	30	99.4	0.078	10.8	4.7	66297	65845			16.8

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)
	1.9	1.97	99		0.381			6474

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	FOURIER SYNTHESIS	THROUGHOUT	1UGW	1.9	28.06	66297	65793	3314	99.1	0.184	0.184	0.1847	0.205	0.181	RANDOM	27.2

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]
3.97			-0.74		-3.23

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.8
c_scangle_it	3.57
c_scbond_it	2.41
c_improper_angle_d	2.02
c_mcangle_it	1.94
c_mcbond_it	1.31
c_angle_deg	1.3
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4608
Nucleic Acid Atoms
Solvent Atoms	254
Heterogen Atoms	54

Software

Software
Software Name	Purpose
CNS	refinement
MAR345	data collection
SCALEPACK	data scaling
CNS	phasing