3D89

Crystal Structure of a Soluble Rieske Ferredoxin from Mus musculus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	Protein Solution (~15 mg/ml native protein, 0.025 M NaCl, 0.005 M MOPS pH 7.0) mixed in a 1:1 ratio with Well Solution ( 25% MEPEG 5K, 0.12 M Trisodium citrate, 0.10 M MES ph 6.0) Cryoprotected with 15% ethylene glycol; Mercury derivative crystal soaked overnight in in mother liquor containing 0.002 M thimersol, vapor diffusion, hanging drop, temperature 293K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.413	α = 90
b = 52.413	β = 90
c = 108.808	γ = 90

Symmetry
Space Group	P 43 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	MARMOSAIC 300 mm CCD	Adjustable focus K-B pair Si plus Pt, Rh coatings	2007-07-06	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD	Rosenbaum-Rock vertical focusing mirror	2007-06-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.96419	APS	23-ID-B
2	SYNCHROTRON	APS BEAMLINE 22-BM	1.000	APS	22-BM

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	2.07	50	99.4	0.057	18.354	12.7		9806

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)
1,2	2.07	2.14	95.5		0.621	1.845	7.1	900

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	SAD	THROUGHOUT	2.071	37.75	9754	472	99.399	0.2	0.199	0.228	RANDOM	46.027

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]
0.148			0.148		-0.295

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.566
r_dihedral_angle_3_deg	15.863
r_dihedral_angle_4_deg	14
r_dihedral_angle_1_deg	6.528
r_scangle_it	3.12
r_scbond_it	2.169
r_angle_refined_deg	1.848
r_mcangle_it	1.486
r_mcbond_it	1.018
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.235
r_nbd_refined	0.215
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.109
r_bond_refined_d	0.019
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1099
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	8

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction