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PDBsum entry 1r5i

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Top Page protein ligands Protein-protein interface(s) links
Immune system PDB id
1r5i
Jmol
Contents
Protein chains
181 a.a. *
190 a.a. *
13 a.a. *
214 a.a. *
Ligands
PO4 ×4
Waters ×106
* Residue conservation analysis
procheck   Generate full PROCHECK analyses

PROCHECK summary for 1r5i

Ramachandran plot

PROCHECK statistics

1. Ramachandran Plot statistics


                                         No. of
                                        residues     %-tage
                                         ------      ------
Most favoured regions      [A,B,L]          961       88.8%*  
Additional allowed regions [a,b,l,p]        113       10.4%          
Generously allowed regions [~a,~b,~l,~p]      5        0.5%          
Disallowed regions         [XX]               3        0.3%*  
                                           ----      ------
Non-glycine and non-proline residues       1082      100.0%

End-residues (excl. Gly and Pro)             12

Glycine residues                             54
Proline residues                             48
                                           ----
Total number of residues                   1196


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            -0.25      
     Chi1-chi2 distribution          -0.28      
     Chi1 only                       -0.07      
     Chi3 & chi4                      0.41      
     Omega                            0.56      
                                                   0.08      
                                                  =====
Main-chain covalent forces:-
     Main-chain bond lengths          0.64      
     Main-chain bond angles           0.39      
                                                   0.49      
                                                  =====

     OVERALL AVERAGE                               0.24      
                                                  =====

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.