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PDBsum entry 3pip
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Ribosome/antibiotic
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PDB id
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3pip
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Contents |
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253 a.a.
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205 a.a.
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194 a.a.
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177 a.a.
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171 a.a.
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63 a.a.
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142 a.a.
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134 a.a.
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134 a.a.
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136 a.a.
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113 a.a.
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104 a.a.
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108 a.a.
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117 a.a.
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94 a.a.
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126 a.a.
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93 a.a.
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110 a.a.
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175 a.a.
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74 a.a.
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72 a.a.
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65 a.a.
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55 a.a.
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57 a.a.
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53 a.a.
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46 a.a.
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59 a.a.
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37 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 3pip
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 1983 74.2%**
Additional allowed regions [a,b,l,p] 582 21.8%
Generously allowed regions [~a,~b,~l,~p] 66 2.5%
Disallowed regions [XX] 40 1.5%*
---- ------
Non-glycine and non-proline residues 2671 100.0%
End-residues (excl. Gly and Pro) 50
Glycine residues 316
Proline residues 130
----
Total number of residues 3167
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 -0.91*
Chi1-chi2 distribution -0.15
Chi1 only 0.04
Chi3 & chi4 0.62
Omega -0.17
-0.26
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.40
Main-chain bond angles 0.31
0.34
=====
OVERALL AVERAGE -0.02
=====
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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