2QE6

CRYSTAL STRUCTURE OF A PUTATIVE METHYLTRANSFERASE (TFU_2867) FROM THERMOBIFIDA FUSCA YX AT 1.95 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	NANODROP, 70.0% MPD, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.627	α = 90
b = 76.024	β = 90
c = 81.315	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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-06-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97917, 0.97894	SSRL	BL11-1

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	1.95	29.386	99.8	0.081	0.081	7.2	3.6		47006			23.63

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	1.95	2	99.4		0.575	0.575	1.3	3.5	3396

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	MAD	THROUGHOUT	1.95	29.386	46969	2375	99.8	0.173	0.171	0.213	RANDOM	31.045

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]
-1.9			3.12		-1.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.633
r_dihedral_angle_4_deg	16.646
r_dihedral_angle_3_deg	12.625
r_scangle_it	6.827
r_dihedral_angle_1_deg	5.964
r_scbond_it	5.645
r_mcangle_it	2.784
r_mcbond_it	2.116
r_angle_refined_deg	1.707
r_angle_other_deg	0.988
r_mcbond_other	0.544
r_symmetry_vdw_other	0.339
r_nbd_refined	0.208
r_nbd_other	0.203
r_nbtor_refined	0.179
r_xyhbond_nbd_refined	0.149
r_symmetry_vdw_refined	0.115
r_symmetry_hbond_refined	0.11
r_chiral_restr	0.088
r_nbtor_other	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4088
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	142

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing