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PDBsum entry 2x7c
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Top Page protein ligands metals Protein-protein interface(s) links
Cell cycle PDB id
2x7c
Contents
Protein chains
332 a.a.
Ligands
ADP ×2
KZ9 ×2
Metals
_MG ×3
Waters ×683
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PROCHECK summary for 2x7c

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]          557       93.5%          
Additional allowed regions [a,b,l,p]         37        6.2%          
Generously allowed regions [~a,~b,~l,~p]      1        0.2%          
Disallowed regions         [XX]               1        0.2%*  
                                           ----      ------
Non-glycine and non-proline residues        596      100.0%

End-residues (excl. Gly and Pro)              8

Glycine residues                             38
Proline residues                             24
                                           ----
Total number of residues                    666

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            -0.06      
     Chi1-chi2 distribution           0.10      
     Chi1 only                        0.06      
     Chi3 & chi4                      0.31      
     Omega                           -0.77*     
                                                  -0.20      
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths          0.52      
     Main-chain bond angles           0.34      
                                                   0.42      
                                                  =====

     OVERALL AVERAGE                               0.04      
                                                  =====

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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