PDBsum entry 1a3d Go to PDB code:  Tunnel analysis for: 1a3d calculated with MOLE 2.0 PDB id 1a3d 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 1.22 1.52 15.1 0.83 0.66 1.7 49 0 0 0 2 6 0 2   2 1.22 1.52 16.4 0.03 0.17 10.2 58 1 1 0 0 4 0 2   3 1.12 1.24 21.1 1.24 0.98 6.8 63 2 0 1 1 4 0 2   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.