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PDBsum entry 3knh
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Ribosome/antibiotic
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PDB id
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3knh
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Contents |
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235 a.a.
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207 a.a.
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208 a.a.
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151 a.a.
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101 a.a.
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155 a.a.
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138 a.a.
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127 a.a.
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99 a.a.
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119 a.a.
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125 a.a.
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120 a.a.
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60 a.a.
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88 a.a.
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84 a.a.
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100 a.a.
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70 a.a.
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79 a.a.
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99 a.a.
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25 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 3knh
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 1281 62.1%**
Additional allowed regions [a,b,l,p] 671 32.5%
Generously allowed regions [~a,~b,~l,~p] 89 4.3%
Disallowed regions [XX] 23 1.1%*
---- ------
Non-glycine and non-proline residues 2064 100.0%
End-residues (excl. Gly and Pro) 34
Glycine residues 189
Proline residues 105
----
Total number of residues 2392
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 -1.40**
Chi1-chi2 distribution -0.92*
Chi1 only -0.36
Chi3 & chi4 0.37
Omega 0.57
-0.38
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.62
Main-chain bond angles 0.28
0.43
=====
OVERALL AVERAGE -0.07
=====
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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