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PDBsum entry 6psr
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Transcription/DNA
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PDB id
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6psr
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Contents |
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230 a.a.
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219 a.a.
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1340 a.a.
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1345 a.a.
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75 a.a.
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548 a.a.
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73 a.a.
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72 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 6psr
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 2815 81.7%*
Additional allowed regions [a,b,l,p] 623 18.1%
Generously allowed regions [~a,~b,~l,~p] 8 0.2%
Disallowed regions [XX] 1 0.0%*
---- ------
Non-glycine and non-proline residues 3447 100.0%
End-residues (excl. Gly and Pro) 27
Glycine residues 275
Proline residues 153
----
Total number of residues 3902
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 -0.48
Chi1-chi2 distribution -0.87*
Chi1 only -0.44
Chi3 & chi4 0.39
Omega -0.61*
-0.48
=====
Main-chain covalent forces:-
Main-chain bond lengths 0.65
Main-chain bond angles 0.43
0.52
=====
OVERALL AVERAGE -0.09
=====
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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