PDBsum entry 3tk3 Go to PDB code:  Tunnel analysis for: 3tk3 calculated with MOLE 2.0 PDB id 3tk3 Tunnels calculated on whole structure Tunnels calculated excluding ligands View options MOLEonline 2.0 manipulation and visualization with HETATM: without HETATM:   3 tunnels, coloured by tunnel radius 2 tunnels, coloured by tunnel radius 2 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 1.07 1.49 57.9 1.10 0.52 8.6 79 3 1 2 12 7 0 1  HEM 500 A CPZ 501 A 2 1.40 1.49 15.7 -1.03 -0.39 9.9 85 2 0 2 3 0 1 0   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.