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PDBsum entry 3e9h
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Ligase PDB id
3e9h
Contents
Protein chains
484 a.a.
Ligands
KAA ×4
Metals
_MG ×4
Waters ×464
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PROCHECK summary for 3e9h

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]         1567       91.5%          
Additional allowed regions [a,b,l,p]        133        7.8%          
Generously allowed regions [~a,~b,~l,~p]      2        0.1%          
Disallowed regions         [XX]              10        0.6%*  
                                           ----      ------
Non-glycine and non-proline residues       1712      100.0%

End-residues (excl. Gly and Pro)             16

Glycine residues                            132
Proline residues                             76
                                           ----
Total number of residues                   1936

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            -0.17      
     Chi1-chi2 distribution          -0.19      
     Chi1 only                       -0.03      
     Chi3 & chi4                      0.40      
     Omega                            0.23      
                                                   0.03      
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths          0.23      
     Main-chain bond angles          -0.02      
                                                   0.09      
                                                  =====

     OVERALL AVERAGE                               0.06      
                                                  =====

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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