3DOU

Crystal structure of methyltransferase involved in cell division from thermoplasma volcanicum gss1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5		100MM HEPES,PH 7.5, 20% PEG3350, 10% GLYCEROL, VAPOR DIFFUSION, TEMPERATURE 298K, pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.62	α = 90
b = 50.053	β = 108.08
c = 56.457	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	77	CCD	MAR CCD 165 mm		2007-06-27	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)	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	1.45	50	99.7	0.062	5.4	3.8		30605		-5

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)
	1.45	1.5	98.6		0.726	1.2	3.7

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	1.45	20	28898	1538	99.67	0.1671	0.16566	0.19456	RANDOM	20.183

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]
0.15		0.05	0.22		-0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.225
r_dihedral_angle_4_deg	17.248
r_dihedral_angle_3_deg	13.966
r_dihedral_angle_1_deg	11.629
r_scangle_it	7.454
r_scbond_it	4.901
r_mcangle_it	3.669
r_mcbond_it	2.742
r_angle_refined_deg	1.484
r_nbtor_refined	0.306
r_nbd_refined	0.213
r_symmetry_hbond_refined	0.165
r_xyhbond_nbd_refined	0.139
r_symmetry_vdw_refined	0.133
r_chiral_restr	0.087
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1489
Nucleic Acid Atoms
Solvent Atoms	152
Heterogen Atoms	27

Software

Software
Software Name	Purpose
SHELXD	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling