PDBsum entry 4by1 Go to PDB code:  Tunnel analysis for: 4by1 calculated with MOLE 2.0 PDB id 4by1 Tunnels calculated on whole structure Tunnels calculated excluding ligands View options MOLEonline 2.0 manipulation and visualization with HETATM: without HETATM:   7 tunnels, coloured by tunnel radius 6 tunnels, coloured by tunnel radius 6 tunnels, coloured as in list below Tunnels are interior spaces connected with the protein surrounding. Only channels longer than 15 Å are shown. Tunnels Free R Length HPathy HPhob Polar Rel Mut Residue..type Ligands Radius 1 1.21 1.32 81.5 -1.55 -0.46 25.7 81 12 9 2 7 2 1 0   2 1.19 1.30 82.3 -1.38 -0.42 25.5 78 12 7 0 6 2 1 0  DA 4 N DT 17 T 3 1.19 1.31 83.5 -1.44 -0.46 22.9 79 12 10 3 6 2 2 0  DA 9 T DA 10 T 4 1.37 1.48 104.4 -1.28 -0.33 23.9 82 15 8 2 10 2 0 0  DA 4 N 5 1.19 1.74 45.7 -0.96 -0.07 16.3 83 5 4 3 7 3 0 0   6 1.17 1.43 18.0 -1.72 -0.46 28.8 70 3 3 0 1 0 0 2   Residue-type_colouring Positive Negative Neutral Aliphatic Aromatic Pro & Gly Cysteine H,K,R D,E S,T,N,Q A,V,L,I,M F,Y,W P,G C Acknowledgement Tunnels were calculated by MOLE 2.0 program version 2.5.13.11.08 and visualized using Pymol 0.97rc.