4K3I

Crystal Structure of the Quinol Form of Methylamine Dehydrogenase in Complex with the Diferrous Form of MauG, C2 Space Group

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.4	293	Drops contained 1uL protein with 3uL reservoir solution. WT-MauG and MADH were each reduced in an anaerobic glove box prior to preparing the protein mixture for crystallization. Protein mixture: 100uM reduced WT-MauG and 50uM reduced MADH in 10mM potassium phosphate pH7.5 with 2mM sodium dithionite. Reservoir solution contained: 24% w/v PEG 8000, 0.1M sodium acetate, 0.1M MES pH 6.4 and 2mM sodium dithionite. Crystallization was carried out in an anaerobic glove box at ambient temperature., VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 346.356	α = 90
b = 55.558	β = 106.55
c = 112.548	γ = 90

Symmetry
Space Group	C 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	100	CCD	MARMOSAIC 300 mm CCD	BIOMORPH MIRRORS (KIRKPATRICK- BAEZ CONFIGURATION)	2010-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	1.03320	APS	23-ID-B

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	50	99.8	0.104	13.55	4.8		132241		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.03	99.5		0.551	2.65	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3SXT	2	43.06	132241	131712	6968	99.6	0.14602	0.14602	0.14369	0.19013	RANDOM	29.748

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]
-0.1		0.1	-0.2		0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.557
r_dihedral_angle_4_deg	17.723
r_dihedral_angle_3_deg	14.604
r_dihedral_angle_1_deg	6.711
r_angle_refined_deg	2.065
r_angle_other_deg	0.944
r_chiral_restr	0.133
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_gen_planes_other	0.005

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.557
r_dihedral_angle_4_deg	17.723
r_dihedral_angle_3_deg	14.604
r_dihedral_angle_1_deg	6.711
r_angle_refined_deg	2.065
r_angle_other_deg	0.944
r_chiral_restr	0.133
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_gen_planes_other	0.005
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13249
Nucleic Acid Atoms
Solvent Atoms	1707
Heterogen Atoms	198

Software

Software
Software Name	Purpose
CBASS	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.