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PDBsum entry 1xo7

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Top Page protein Protein-protein interface(s) links
Isomerase PDB id
1xo7
Jmol
Contents
Protein chains
166 a.a.
Waters ×808
procheck   Generate full PROCHECK analyses

PROCHECK summary for 1xo7

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]          455       84.3%*  
Additional allowed regions [a,b,l,p]         84       15.6%          
Generously allowed regions [~a,~b,~l,~p]      1        0.2%          
Disallowed regions         [XX]               0        0.0%          
                                           ----      ------
Non-glycine and non-proline residues        540      100.0%

End-residues (excl. Gly and Pro)              8

Glycine residues                             88
Proline residues                             28
                                           ----
Total number of residues                    664


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            -0.35      
     Chi1-chi2 distribution           0.03      
     Chi1 only                        0.18      
     Chi3 & chi4                      0.29      
     Omega                           -0.73*     
                                                  -0.30      
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths         -0.78*     
     Main-chain bond angles          -0.31      
                                                  -0.51*     
                                                  =====

     OVERALL AVERAGE                              -0.40      
                                                  =====

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.