1FQT

CRYSTAL STRUCTURE OF THE RIESKE-TYPE FERREDOXIN ASSOCIATED WITH BIPHENYL DIOXYGENASE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	283	PEG MME 5000, MES buffer, ammonium sulfate, pH 6.3, VAPOR DIFFUSION, SITTING DROP at 283K, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.7	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.4	α = 90
b = 53.1	β = 90
c = 64.7	γ = 90

Symmetry
Space Group	P 21 21 2

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 QUANTUM 1	BENT CYLINDRICAL: SI-MIRROR (RH COATING)	1998-04-10	M	MULTIPLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D	0.9537,1.742,1.737	APS	14-BM-D

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	26	98.9	0.068	9.6	4.95		34971			14.5

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	97.6		0.412	2.2	4.91

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FE MAD	THROUGHOUT	1.6	26	34933	1761	98.7	0.18	0.18	0.2	RANDOM	18.6

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]
-4.24			4.28		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	27.2
c_scangle_it	3.65
c_scbond_it	2.45
c_mcangle_it	2.29
c_angle_deg	1.96
c_mcbond_it	1.58
c_improper_angle_d	1.07
c_bond_d	0.011
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	1674
Nucleic Acid Atoms
Solvent Atoms	314
Heterogen Atoms	26

Software

Software
Software Name	Purpose
MLPHARE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling