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PDBsum entry 4yhh

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Ribosome PDB id
4yhh
Contents
Protein chains
226 a.a.
206 a.a.
208 a.a.
157 a.a.
101 a.a.
155 a.a.
138 a.a.
127 a.a.
99 a.a.
115 a.a.
124 a.a.
119 a.a.
60 a.a.
88 a.a.
85 a.a.
104 a.a.
73 a.a.
83 a.a.
99 a.a.
24 a.a.
DNA/RNA
Ligands
T1C
Metals
_MG ×103
_ZN ×2
procheck   Generate full PROCHECK analyses

PROCHECK summary for 4yhh

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]         1485       71.9%** 
Additional allowed regions [a,b,l,p]        526       25.5%          
Generously allowed regions [~a,~b,~l,~p]     46        2.2%          
Disallowed regions         [XX]               8        0.4%*  
                                           ----      ------
Non-glycine and non-proline residues       2065      100.0%

End-residues (excl. Gly and Pro)             29

Glycine residues                            192
Proline residues                            105
                                           ----
Total number of residues                   2391


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            -1.10**
     Chi1-chi2 distribution          -1.03**
     Chi1 only                       -0.45      
     Chi3 & chi4                      0.38      
     Omega                           -0.97*     
                                                  -0.78*     
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths          0.52      
     Main-chain bond angles           0.21      
                                                   0.34      
                                                  =====

     OVERALL AVERAGE                              -0.35      
                                                  =====

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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