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PDBsum entry 4ce4

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Top Page protein dna_rna ligands metals Protein-protein interface(s) links
Ribosome PDB id
4ce4
Contents
Protein chains
76 a.a.
58 a.a.
76 a.a.
59 a.a.
68 a.a.
48 a.a.
43 a.a.
60 a.a.
36 a.a.
200 a.a.
208 a.a.
224 a.a.
57 a.a.
147 a.a.
114 a.a.
169 a.a.
154 a.a.
120 a.a.
94 a.a.
119 a.a.
123 a.a.
109 a.a.
134 a.a.
87 a.a.
103 a.a.
192 a.a.
292 a.a.
272 a.a.
161 a.a.
76 a.a.
56 a.a.
90 a.a.
426 a.a.
DNA/RNA
Ligands
__N-__N-__N-__N-
__N-__N-__N-__N-
__N-__N-__N-__N-
__N-__N-__N-__N-
__N-__N-__N-__N-
__N-__N
__N-__N-__N-__N-
__N-__N-__N
Metals
_ZN ×2
procheck   Generate full PROCHECK analyses

PROCHECK summary for 4ce4

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]         3704       93.1%          
Additional allowed regions [a,b,l,p]        240        6.0%          
Generously allowed regions [~a,~b,~l,~p]     33        0.8%          
Disallowed regions         [XX]               3        0.1%*  
                                           ----      ------
Non-glycine and non-proline residues       3980      100.0%

End-residues (excl. Gly and Pro)            126

Glycine residues                            248
Proline residues                            171
                                           ----
Total number of residues                   4525


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            -0.23      
     Chi1-chi2 distribution           0.17      
     Chi1 only                        0.16      
     Chi3 & chi4                      0.75      
     Omega                            0.03      
                                                   0.09      
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths          0.63      
     Main-chain bond angles           0.61      
                                                   0.61      
                                                  =====

     OVERALL AVERAGE                               0.31      
                                                  =====

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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