2EWR

Crystal structure of a putative nucleotidyltransferase (tm1012) from Thermotoga maritima at 1.60 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	6.9	277	0.2M KCl, 20.0% PEG-3350, No Buffer, pH 6.9, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.56	α = 74.11
b = 36.21	β = 86.38
c = 39.28	γ = 79.69

Symmetry
Space Group	P 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	Adjustable focusing mirrors in K-B geometry	2005-08-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.95372, 0.97960, 0.97942	APS	23-ID-D

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	1.6	29.643	88.8	0.028	18.43	3.75		20185

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	1.6	1.66	50.4	50.4	0.095	6.96

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.6	29.66	19130	1055	90.08	0.147	0.14658	0.145	0.18	RANDOM	9.142

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]
-0.31	0.2	0.03	-0.19	0.05	0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.229
r_dihedral_angle_4_deg	18.261
r_dihedral_angle_3_deg	11.438
r_scangle_it	6.283
r_dihedral_angle_1_deg	5.902
r_scbond_it	4.343
r_mcangle_it	2.543
r_mcbond_it	2.077
r_angle_refined_deg	1.486
r_angle_other_deg	0.822
r_mcbond_other	0.451
r_nbd_refined	0.226
r_symmetry_vdw_other	0.194
r_symmetry_hbond_refined	0.191
r_nbd_other	0.19
r_symmetry_vdw_refined	0.186
r_nbtor_refined	0.183
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.093
r_nbtor_other	0.082
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1284
Nucleic Acid Atoms
Solvent Atoms	220
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SOLVE	phasing