PDBsum entry 4zk4 Go to PDB code:  Tunnel analysis for: 4zk4 calculated with MOLE 2.0 PDB id 4zk4 Tunnels calculated on whole structure Tunnels calculated excluding ligands View options MOLEonline 2.0 manipulation and visualization with HETATM: without HETATM:   4 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 1.21 1.36 64.4 -0.43 -0.08 2.3 74 0 0 5 8 6 5 1  TII 301 E 2 1.34 2.71 131.0 -0.78 -0.22 11.6 78 5 7 7 13 10 5 2  TII 301 C 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.