1ZKG

Crystal structure of Transcriptional regulator, TETR family (tm1030) from Thermotoga maritima at 2.30 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	4.5	293	30.0% PEG-8000, 0.2M MgNO3, 0.1M Citrate pH 4.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.518	α = 90
b = 87.109	β = 110.73
c = 59.156	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315	Flat mirror	2005-04-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.918370, 0.979508	SSRL	BL11-1

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	2.3	29.18	99.5	0.093	6	5		21323

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	2.3	2.36	95.8		0.612	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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	29.18	20200	1105	99.77	0.204	0.20399	0.201	0.264	RANDOM	45.288

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]
-2.01		-1.25	-0.03		1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.535
r_dihedral_angle_4_deg	21.102
r_dihedral_angle_3_deg	15.877
r_scangle_it	8.497
r_scbond_it	6.264
r_dihedral_angle_1_deg	5.647
r_mcangle_it	3.161
r_mcbond_it	2.511
r_angle_refined_deg	1.357
r_angle_other_deg	0.81
r_mcbond_other	0.628
r_symmetry_vdw_other	0.262
r_symmetry_vdw_refined	0.241
r_nbd_refined	0.234
r_xyhbond_nbd_refined	0.228
r_nbtor_refined	0.192
r_nbd_other	0.161
r_symmetry_hbond_refined	0.111
r_nbtor_other	0.088
r_chiral_restr	0.08
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3268
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing