2VPR

Tet repressor class H in complex with 5a,6- anhydrotetracycline-Mg

X-RAY DIFFRACTION

---

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		7.5		3.31 MG/ML TETR(H), 100 UL 2 MM ANTC,100 UL TETR(H),0.5 UL 3 M MGCL2, 20 % PEG1500, 0.1 M NAHEPES PH 7.5, 2 UL RESERVOIR LSG PLUS 2 UL PROTEIN

Crystal Properties
Matthews coefficient	Solvent content
2.3	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.361	α = 90
b = 108.744	β = 90
c = 68.976	γ = 90

Symmetry
Space Group	C 2 2 21

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	MARRESEARCH	MIRRORS	2005-03-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	2.5	50	98	0.09	9.6	4.2		7669			53.2

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	2.5	2.54	69		0.51	2.8	3.6

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2TCT	2.49	20	6898	741	99.7	0.209	0.201	0.2	0.285	0.28	RANDOM	34.87

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]
3.33			-2.81		-0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.711
r_dihedral_angle_3_deg	21.093
r_dihedral_angle_4_deg	19.048
r_dihedral_angle_1_deg	6.919
r_scangle_it	2.33
r_angle_refined_deg	1.576
r_scbond_it	1.509
r_mcangle_it	1.044
r_angle_other_deg	1.003
r_mcbond_it	0.69
r_symmetry_vdw_refined	0.365
r_nbd_refined	0.247
r_symmetry_vdw_other	0.213
r_nbtor_refined	0.195
r_nbd_other	0.187
r_xyhbond_nbd_refined	0.126
r_symmetry_hbond_refined	0.121
r_nbtor_other	0.095
r_chiral_restr	0.091
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
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	1547
Nucleic Acid Atoms
Solvent Atoms	18
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing