1IDJ

PECTIN LYASE A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		28% PEG 6000, 0.1 M NA-CACODYLATE AT PH 6.5, 0.2 M NA-ACETATE

Crystal Properties
Matthews coefficient	Solvent content
2.46	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.9	α = 78.6
b = 52.4	β = 90.1
c = 76.3	γ = 104.6

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	291	AREA DETECTOR	SIEMENS X1000		1996-02-15	M

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

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	2.4	33.3	84.3	0.058	11.2	1.9		23191		3	37.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.4	2.64	48.5		3.6	1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MR + SIR + INTERCRYSTAL AVERAGING	FREE R + SECOND CRYSTAL FORM	PARTIALLY REFINED MODEL FROM PECTIN LYASE A P212121 (1IDK)	2.4	33.3	23191	1196	84.25	0.16	0.16	0.198	FREERFLAG (CCP4)	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]
-3.218	0.546	0.635	-0.136	4.453	3.3552

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	27.33
x_scangle_it	3.62
x_scbond_it	3.6
x_angle_deg	1.373
x_improper_angle_d	1.119
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2671
Nucleic Acid Atoms
Solvent Atoms	257
Heterogen Atoms

Software

Software
Software Name	Purpose
XENGEN	data collection
ROTAVATA	data reduction
Agrovata	data reduction
X-PLOR	model building
X-PLOR	refinement
XENGEN	data reduction
CCP4	data scaling
ROTAVATA	data scaling
X-PLOR	phasing