2Z70

E.coli RNase 1 in complex with d(CGCGATCGCG)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.1	293	20% PEG8000, 0.1M Sodium acetate, 1mM MgCl2, 0.1M MES, pH6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.556	α = 90
b = 49.758	β = 90
c = 143.108	γ = 90

Symmetry
Space Group	P 21 21 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	MAR CCD 165 mm		2006-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.8125	EMBL/DESY, HAMBURG	X11

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	1.7	15	99.6	0.046	16.9	4.34	28734	28734

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	1.7	1.76	99.9		0.319	4.2		2813

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2PQX	1.7	15	28734	26505	2228	99.66	0.19363	0.19009	0.2355	RANDOM	21.326

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]
-0.05			0.52		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.076
r_dihedral_angle_4_deg	18.579
r_dihedral_angle_3_deg	12.091
r_dihedral_angle_1_deg	6.019
r_scangle_it	3.313
r_scbond_it	2.207
r_mcangle_it	1.424
r_angle_refined_deg	1.357
r_mcbond_it	0.913
r_nbtor_refined	0.306
r_nbd_refined	0.214
r_symmetry_vdw_refined	0.206
r_symmetry_hbond_refined	0.194
r_xyhbond_nbd_refined	0.176
r_metal_ion_refined	0.108
r_chiral_restr	0.09
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1837
Nucleic Acid Atoms	68
Solvent Atoms	281
Heterogen Atoms	1

Software

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