2VKV

TetR (BD) variant L17G with reverse phenotype

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2TCT	PDB ENTRY 2TCT

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.7	277	0.1 M TRIS-HCL (PH 8.7), 0.3 M MGCL2, 20 % PEG 4000, 3 % DIOXANE, AT 277 K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.65	α = 90
b = 54.46	β = 90
c = 56.85	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	IMAGE PLATE	MARRESEARCH	MIRRORS	2007-01-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF

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	1.74	19.66	98.6	0.06	26.2	10.5		22843		-3

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	1.74	1.8	96.9		0.38	3.8	8.84

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2TCT	1.74	19.66	20625	2218	100	0.18	0.175	0.225	RANDOM	41.25

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]
0.02			0.05		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.594
r_dihedral_angle_4_deg	15.788
r_dihedral_angle_3_deg	14.312
r_dihedral_angle_1_deg	4.44
r_scangle_it	3.289
r_scbond_it	2.206
r_mcangle_it	1.626
r_mcbond_it	1.423
r_angle_refined_deg	1.116
r_angle_other_deg	0.895
r_symmetry_vdw_other	0.279
r_nbd_refined	0.22
r_nbd_other	0.182
r_xyhbond_nbd_refined	0.182
r_nbtor_refined	0.18
r_symmetry_vdw_refined	0.173
r_symmetry_hbond_refined	0.149
r_nbtor_other	0.085
r_chiral_restr	0.071
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1555
Nucleic Acid Atoms
Solvent Atoms	166
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing