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6CHA

STRUCTURE OF A TETRAHEDRAL TRANSITION STATE COMPLEX OF ALPHA-*CHYMOTRYPSIN AT 1.8-*ANGSTROMS RESOLUTION
The binding interface of the protein-peptide complex is shown in grey, the peptide is shown in red. Images produced by YASARA. Note that only the interface of the protein-peptide complex is shown. Gaps between residues may occur. The image on the top is borrowed from the PDB.

Clusters

This protein-peptide complex appears in the following clusters

Cluster Images Centroid Images Centroid PDB ID Number of PDBs Threshold Structural Alignment
6CHA 198 3 Å 50 %
6CHA 197 2 Å 50 %
6CHA 197 1 Å 50 %
2GMT 33 3 Å 75 %
2GMT 33 2 Å 75 %
2GMT 33 1 Å 75 %
5CHA 2 3 Å 95 %
5CHA 2 2 Å 95 %
5CHA 2 1 Å 95 %

Properties

A
CB
9
General information on the complex, such as the receptor and peptide chains. Click on the PDB icon to see this complex in the PDB

Interface Statistics

11
0
B=5 C=37 E=11 S=32 T=16
C=78 S=22
40.8373
45.4327
The DSSP algorithm was used to assign secondary structure to binding site and peptide. The B-Factors are averaged across the PDB and show the flexibility of the binding site and peptide.

Binding Energy

-9.95 kCal *
-2.54 kCal *
-0.05 kCal *
The binding affinity and contribution of backbone and sidechain hydrogen bonds for the protein-peptide complex were calculated using the FoldX force field.
*: the absolute energies are not precise, however FoldX is accurate for relative energies. Learn More.

Categorization

6chaC00
Trypsin
Note that only the receptor chain(s) is categorized.

Direct link to External Databases

AffinDB FireDB PLD PROCOGNATE PDBSum 3DID
The links are established based on the PDB Identifier of the protein-peptide complex.