1M6G

Structural Characterisation of the Holliday Junction TCGGTACCGA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	290	cacodylate, strontium chloride, MPD, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.302	α = 90
b = 25.034	β = 110.04
c = 36.778	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	MARRESEARCH		2002-05-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.811	EMBL/DESY, HAMBURG	X11

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	1.649	34.503		0.2957	0.082		5.41		6703			18.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.652	1.695			0.332	0.148		4.7	408

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.652	34.503	6621	316	97.64	0.2185	0.2148	0.21486	0.23	0.29566	0.32	RANDOM	18.9

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]
-1.67		-0.35	2.32		-0.9

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	4.62
r_sphericity_bonded	3.435
r_scangle_it	3.308
r_angle_refined_deg	2.868
r_scbond_it	2.54
r_angle_other_deg	1.714
r_rigid_bond_restr	1.713
r_symmetry_vdw_other	0.339
r_nbd_other	0.213
r_xyhbond_nbd_refined	0.163
r_nbd_refined	0.147
r_symmetry_hbond_refined	0.123
r_nbtor_other	0.109
r_chiral_restr	0.096
r_symmetry_vdw_refined	0.048
r_gen_planes_refined	0.019
r_bond_refined_d	0.017
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_xyhbond_nbd_other
r_symmetry_hbond_other
r_mcbond_it
r_mcangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	404
Solvent Atoms	107
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
XTALVIEW	refinement
MOSFLM	data reduction
CCP4	data scaling