3FK7 | pdb_00003fk7

Crystal structure of TetR triple mutant (H64K, S135L, S138I) in complex with 4-ddma-atc

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3FK6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	292	1M dipotassium hydrogen phosphate, 200mM sodium chloride, 50mM Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.22	α = 90
b = 59.38	β = 97.85
c = 63.78	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	100	CCD	MAR CCD 165 mm		2005-07-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.9082	BESSY	14.1

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	2.06	42.22	98.6	0.06		3.7	30027	29597	-3	-3	26.5

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)
	2.06	2.19	91.8		0.398			4994

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	3FK6	2.06	20	29594	29594	2368	100	0.208	0.203	0.21	0.261	0.26	RANDOM	36.79

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]
0.39		-0.52	0.63		-1.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.345
r_dihedral_angle_4_deg	15.608
r_dihedral_angle_3_deg	15.596
r_dihedral_angle_1_deg	5.22
r_scangle_it	3.163
r_scbond_it	2.126
r_mcangle_it	1.406
r_mcbond_it	1.244
r_angle_refined_deg	1.175
r_angle_other_deg	0.888
r_symmetry_vdw_other	0.234
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.216
r_mcbond_other	0.21
r_nbtor_refined	0.182
r_nbd_other	0.18
r_xyhbond_nbd_refined	0.171
r_symmetry_vdw_refined	0.142
r_nbtor_other	0.088
r_chiral_restr	0.063
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3180
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms	58

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
XDS	data reduction
XSCALE	data scaling
AMoRE	phasing