3PCN

STRUCTURE OF PROTOCATECHUATE 3,4-DIOXYGENASE COMPLEXED WITH 3,4-DIHYDROXYPHENYLACETATE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.4		pH 8.4

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 196.6	α = 90
b = 127.5	β = 97.7
c = 134.3	γ = 90

Symmetry
Space Group	I 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	296	AREA DETECTOR	SIEMENS	COLLIMATOR	1994-10-11	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	10	97	0.11	9.75	6.2		127824		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.5	89		1.3	3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	NATIVE MODEL PHASES	2.4	6	1	100077		97	0.166		21.93

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	23
p_staggered_tor	16.7
p_planar_tor	1.7
p_scangle_it	1.39
p_mcangle_it	0.888
p_scbond_it	0.817
p_mcbond_it	0.488
p_multtor_nbd	0.206
p_chiral_restr	0.194
p_singtor_nbd	0.175
p_xyhbond_nbd	0.15
p_planar_d	0.026
p_angle_d	0.025
p_bond_d	0.013
p_plane_restr	0.01
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20466
Nucleic Acid Atoms
Solvent Atoms	1374
Heterogen Atoms	102

Software

Software
Software Name	Purpose
PROLSQ	refinement
XENGEN	data reduction
XENGEN	data scaling