1KVC

E. COLI RIBONUCLEASE HI D134N MUTANT

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.42	α = 90
b = 86.29	β = 90
c = 37.57	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		IMAGE PLATE	MACSCIENCE		1994-08-08	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
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	1.9		83.8	0.089		5.07		9319		0.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.9	6	1	8926			0.184		23.82

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	37.6
p_staggered_tor	19.3
p_scangle_it	2.546
p_mcangle_it	2.153
p_planar_tor	2.1
p_scbond_it	1.787
p_mcbond_it	1.308
p_multtor_nbd	0.211
p_xyhbond_nbd	0.197
p_singtor_nbd	0.183
p_chiral_restr	0.163
p_planar_d	0.039
p_angle_d	0.029
p_bond_d	0.014
p_plane_restr	0.012
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1244
Nucleic Acid Atoms
Solvent Atoms	141
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	model building
PROLSQ	refinement
X-PLOR	refinement
WELMS	data reduction
X-PLOR	phasing