1YCH | pdb_00001ych

X-ray Crystal Structures of Moorella thermoacetica FprA. Novel Diiron Site Structure and Mechanistic Insights into a Scavenging Nitric Oxide Reductase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	6.5	298	10% PEG 3000, 200 mM zinc acetate, 100 mM cacodylate buffer pH 6.5, LIQUID DIFFUSION, temperature 25K

Crystal Properties
Matthews coefficient	Solvent content
5.07	75.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 160.327	α = 90
b = 160.327	β = 90
c = 279.144	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	110	CCD	ADSC QUANTUM 4	ALS 5.0.1	2003-11-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.98	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.8	50	99			89953	89051	2	2	87.6

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	2.8	2.98	96

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.8	43.91	89953	89051	4464	99.1	0.224	0.224	0.224	0.2183	0.245	0.2383	RANDOM	64.6

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]
-1.41			-1.5		2.91

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.2
c_angle_deg	2.2
c_improper_angle_d	1.49
c_bond_d	0.019

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12460
Nucleic Acid Atoms
Solvent Atoms	282
Heterogen Atoms	144

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
CCP4	data scaling
CNS	phasing