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PDBsum entry 2e76
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Photosynthesis
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PDB id
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2e76
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Contents |
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215 a.a.
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160 a.a.
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288 a.a.
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168 a.a.
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32 a.a.
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32 a.a.
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37 a.a.
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29 a.a.
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Generate full PROCHECK analyses
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PROCHECK summary for 2e76
Ramachandran plot
PROCHECK statistics
1. Ramachandran Plot statistics
No. of
residues %-tage
------ ------
Most favoured regions [A,B,L] 550 68.9%**
Additional allowed regions [a,b,l,p] 209 26.2%
Generously allowed regions [~a,~b,~l,~p] 32 4.0%
Disallowed regions [XX] 7 0.9%*
---- ------
Non-glycine and non-proline residues 798 100.0%
End-residues (excl. Gly and Pro) 17
Glycine residues 84
Proline residues 62
----
Total number of residues 961
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 -1.26**
Chi1-chi2 distribution -1.42**
Chi1 only -0.38
Chi3 & chi4 0.26
Omega -1.31**
-1.11**
=====
Main-chain covalent forces:-
Main-chain bond lengths -0.84*
Main-chain bond angles -1.43**
-1.18**
=====
OVERALL AVERAGE -1.12**
=====
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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