PDBsum entry 4xa9 Go to PDB code:  Tunnel analysis for: 4xa9 calculated with MOLE 2.0 PDB id 4xa9 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 3 tunnels, coloured by tunnel radius 3 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 1.34 1.67 17.7 -2.16 -0.25 20.4 89 4 1 4 0 2 0 0   2 1.33 1.68 24.6 -1.70 -0.28 17.3 86 4 0 6 0 2 2 0   3 1.23 1.28 15.3 1.23 0.02 1.9 76 0 0 2 7 0 0 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.