2NR4

Crystal structure of FMN-bound protein MM1853 from Methanosarcina mazei, Pfam DUF447

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	100mM Hepes pH 7.5, 8% ethylene glycol, 20% PEG 10K, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.24	62.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 139.334	α = 90
b = 139.334	β = 90
c = 55.391	γ = 120

Symmetry
Space Group	P 63

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MAR CCD 165 mm		2006-10-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID		APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.85	120.666	99.9	0.092	0.092	33.5	19.5	52607	52554			27.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.95	100		0.914	0.914	3.2	17.5	7617

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.85	20	52570	52534	2677	99.93	0.223	0.221	0.256	RANDOM	33.954

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]
-0.32	-0.16		-0.32		0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.31
r_dihedral_angle_4_deg	20.424
r_dihedral_angle_3_deg	15.816
r_dihedral_angle_1_deg	8.341
r_scangle_it	4.07
r_scbond_it	2.656
r_mcangle_it	2.13
r_angle_refined_deg	1.582
r_mcbond_it	1.303
r_nbtor_refined	0.316

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.31
r_dihedral_angle_4_deg	20.424
r_dihedral_angle_3_deg	15.816
r_dihedral_angle_1_deg	8.341
r_scangle_it	4.07
r_scbond_it	2.656
r_mcangle_it	2.13
r_angle_refined_deg	1.582
r_mcbond_it	1.303
r_nbtor_refined	0.316
r_nbd_refined	0.216
r_xyhbond_nbd_refined	0.203
r_symmetry_vdw_refined	0.192
r_symmetry_hbond_refined	0.159
r_chiral_restr	0.109
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2956
Nucleic Acid Atoms
Solvent Atoms	227
Heterogen Atoms	62

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing

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.