3B4N

Crystal Structure Analysis of Pectate Lyase PelI from Erwinia chrysanthemi

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	292	0.01 M zinc sulfate heptahydrate, 0.1 M MES, 25% PEG 550, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2	38.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.6	α = 90
b = 70.7	β = 112.8
c = 73.4	γ = 90

Symmetry
Space Group	P 1 21 1

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	MAR CCD 165 mm		2002-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.9400	ESRF	BM30A

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	1.45	20	99.5	0.065	0.065	10.6	3.7	102436	102424		-3	15.9

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)
	1.45	1.54	99.9		0.33	0.33	3.4	3.5	9931

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.45	19.02	-3	102939	102424	5168	99.5	0.179	0.178	0.175	0.198	RANDOM	16.6

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]
-1.03		-0.99	3.08		-2.05

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	26.9
c_scangle_it	2.77
c_scbond_it	1.92
c_mcangle_it	1.55
c_angle_deg	1.4
c_mcbond_it	1.03
c_improper_angle_d	0.79
c_bond_d	0.006
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	4746
Nucleic Acid Atoms
Solvent Atoms	752
Heterogen Atoms	41

Software

Software
Software Name	Purpose
CNS	refinement
DNA	data collection
XDS	data reduction
XSCALE	data scaling
SOLVE	phasing