PDBsum entry 4xu1 Go to PDB code:  Tunnel analysis for: 4xu1 calculated with MOLE 2.0 PDB id 4xu1 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 4 tunnels, coloured by tunnel radius 4 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 1.91 1.99 20.3 -1.24 -0.59 10.6 81 2 1 3 1 1 0 0  44O 301 B 2 1.10 1.38 23.9 -0.85 -0.55 8.7 96 1 0 5 3 0 0 0  44O 301 B 3 1.10 1.29 17.1 1.19 0.35 8.9 80 2 0 1 6 0 1 0   4 1.19 1.38 15.2 -0.30 0.11 9.4 82 1 1 1 4 1 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.