3B8Y

Crystal Structure of Pectate Lyase PelI from Erwinia chrysanthemi in complex with tetragalacturonic acid

X-RAY DIFFRACTION

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
1.91	35.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.15	α = 90
b = 68.68	β = 113.98
c = 73.36	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		2005-04-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3	0.93100	ESRF	ID14-3

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	2.3	19.4	97.8	0.058	0.058	11.18	1.9		62376		-3	22.9

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)
	2.3	2.39	96.8		0.276	0.276	3.23	1.85	21023

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.3	19.37	-3	24784	24759	1200	99.9	0.198	0.198	0.253	RANDOM	37.1

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]
-11.66		7.58	8.59		3.06

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.2
c_scangle_it	2.69
c_mcangle_it	2.37
c_scbond_it	1.85
c_mcbond_it	1.39
c_angle_deg	1.3
c_improper_angle_d	1.16
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4500
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	100

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.