Experiment: 1OKO

Crystal structure of Pseudomonas Aeruginosa Lectin 1 complexed with galactose at 1.6 A resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		MONOMER B FROM PREVIOULSY RESOLVED 1OKP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5		HANGING DROP: PROTEIN SOLUTION: PA1L 5 MG/ML, D-GAL 0.025 MG/ML, CACL2 & MGCL2 2MM RESERVOIR SOLUTION: (NH4)2SO4 1.5 M, PH 4.7, 5% MPD, 2% GLYCEROL 2 UL + 2 UL

Crystal Properties
Matthews coefficient	Solvent content
2	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.057	α = 90
b = 53.275	β = 90
c = 160.675	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	100	CCD	ADSC CCD	MULTILAYER	2003-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	1.6	18.6	94.9	0.076	6.6701	4.49		53762			12.535

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	1.6	1.66	79.1		0.41	1.42	4.23

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 Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	MONOMER B FROM PREVIOULSY RESOLVED 1OKP	1.6	18.602	51032	2730	94.94	0.1557	0.1541	0.1687	0.1873	RANDOM	11.301

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]
-0.37			0.9		-0.53

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3604
Nucleic Acid Atoms
Solvent Atoms	482
Heterogen Atoms	111

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing