4RNT

HIS 92 ALA MUTATION IN RIBONUCLEASE T1 INDUCES SEGMENTAL FLEXIBILITY. AN X-RAY STUDY

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.92	35.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.04	α = 90
b = 62.31	β = 90
c = 43.7	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		2.2	10	3712			0.162

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	25.5
p_staggered_tor	21.8
p_scangle_it	6.265
p_scbond_it	5.159
p_mcangle_it	2.919
p_mcbond_it	1.996
p_planar_tor	1.8
p_chiral_restr	0.244
p_xhyhbond_nbd	0.167
p_singtor_nbd	0.155
p_multtor_nbd	0.149
p_angle_d	0.075
p_planar_d	0.072
p_bond_d	0.021
p_plane_restr	0.01
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	776
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms

Software

Software
Software Name	Purpose
PROFFT	refinement