PDBsum entry 4xbu Go to PDB code:  Tunnel analysis for: 4xbu calculated with MOLE 2.0 PDB id 4xbu Tunnels calculated on whole structure Tunnels calculated excluding ligands View options MOLEonline 2.0 manipulation and visualization with HETATM: without HETATM:   2 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 1.60 1.75 17.4 0.56 0.00 6.1 77 0 1 2 6 1 0 0   2 1.28 1.58 20.6 0.61 0.01 7.9 80 0 1 2 8 1 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.