9RNT

RIBONUCLEASE T1 WITH FREE RECOGNITION AND CATALYTIC SITE: CRYSTAL STRUCTURE ANALYSIS AT 1.5 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.73	α = 90
b = 46.39	β = 90
c = 41.1	γ = 90

Symmetry
Space Group	P 21 21 21

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.5	6	12632			0.143

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_orthonormal_tor	26
p_staggered_tor	14.4
p_scangle_it	5.9
p_scbond_it	4.13
p_planar_tor	2.8
p_mcangle_it	2.69
p_mcbond_it	1.98
p_chiral_restr	0.268
p_singtor_nbd	0.141
p_multtor_nbd	0.129
p_planar_d	0.063
p_angle_d	0.052
p_bond_d	0.025
p_plane_restr	0.015
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	797
Nucleic Acid Atoms
Solvent Atoms	121
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PROFFT	refinement