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PDBsum entry 3ofb
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Ribosome/antibiotic
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PDB id
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3ofb
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Contents |
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218 a.a.
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206 a.a.
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205 a.a.
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150 a.a.
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100 a.a.
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150 a.a.
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129 a.a.
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127 a.a.
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98 a.a.
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117 a.a.
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123 a.a.
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113 a.a.
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95 a.a.
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88 a.a.
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80 a.a.
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80 a.a.
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55 a.a.
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79 a.a.
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85 a.a.
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51 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 3ofb
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 1295 63.0%**
Additional allowed regions [a,b,l,p] 609 29.6%
Generously allowed regions [~a,~b,~l,~p] 112 5.5%
Disallowed regions [XX] 38 1.9%*
---- ------
Non-glycine and non-proline residues 2054 100.0%
End-residues (excl. Gly and Pro) 41
Glycine residues 172
Proline residues 82
----
Total number of residues 2349
Based on an analysis of 118 structures of resolution of at least 2.0 Angstroms and R-factor no greater than 20.0 a good
quality model would be expected to have over 90% in the most favoured regions [A,B,L].
2. G-Factors
Average
Parameter Score Score
--------- ----- -----
Dihedral angles:-
Phi-psi distribution -1.30**
Chi1-chi2 distribution -0.97*
Chi1 only -0.38
Chi3 & chi4 0.39
Omega -0.32
-0.63*
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.65
Main-chain bond angles 0.56
0.60
=====
OVERALL AVERAGE -0.16
=====
G-factors provide a measure of how unusual, or out-of-the-ordinary, a property is.
Values below -0.5* - unusual
Values below -1.0** - highly unusual
Important note: The main-chain
bond-lengths and bond angles are compared with
the Engh & Huber (1991) ideal values derived
from small-molecule data. Therefore, structures
refined using different restraints may show
apparently large deviations from normality.
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