1TF6 | pdb_00001tf6

CO-CRYSTAL STRUCTURE OF XENOPUS TFIIIA ZINC FINGER DOMAIN BOUND TO THE 5S RIBOSOMAL RNA GENE INTERNAL CONTROL REGION

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	COMPLEX WAS CRYSTALLIZED FROM 22.5% PEG 4000, 165 MM NACL, 35 MM SODIUM ACETATE, 3.2 MM DTT, 9.2% (VOL/VOL) GLYCEROL, 1.8 MM NAN3, 1.8 MM CADAVERINE-2HCL, 5.5 MM TRIS-HCL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291.00K

Crystal Properties
Matthews coefficient	Solvent content
3.8	70

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.18	α = 90.07
b = 64.712	β = 92.98
c = 78.035	γ = 102.95

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	113	IMAGE PLATE	MARRESEARCH	MIRRORS	1996-10-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B		NSLS	X12B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	3	25	77.4	0.128	0.06		6.7		19034		-3	39.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	3.1	8	2	17014	497	81.4	0.308	0.308	0.3216	0.363	RANDOM	65

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]
17.26	4.52	-0.72	-5.82	1.02	-11.4

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	22.9
x_scangle_it	4.48
x_mcangle_it	4.45
x_scbond_it	2.49
x_mcbond_it	2.47
x_improper_angle_d	0.94
x_angle_deg	0.9
x_bond_d	0.005
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2953
Nucleic Acid Atoms	2530
Solvent Atoms
Heterogen Atoms	12

Software

Software
Software Name	Purpose
CCP4	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
CCP4	phasing
RAVE	phasing
DM	phasing