PDBsum entry 1b4d Go to PDB code:  Tunnel analysis for: 1b4d calculated with MOLE 2.0 PDB id 1b4d 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 6 tunnels, coloured by tunnel radius 6 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 1.27 1.44 41.3 -1.16 -0.53 16.6 90 3 4 4 3 1 0 0  CRA 998 A PLP 999 A 2 1.15 1.44 41.3 -1.27 -0.44 18.2 85 4 3 5 4 2 0 0  CRA 998 A PLP 999 A 3 1.26 1.93 98.0 -1.78 -0.24 19.0 77 11 7 6 5 8 2 0  PLP 999 A 4 1.39 1.39 15.2 -0.57 -0.34 17.4 86 3 1 1 3 0 0 0   5 1.21 1.21 17.4 -0.61 -0.40 9.7 84 2 0 2 2 0 1 0   6 1.32 1.34 17.4 -0.72 -0.10 15.8 78 2 0 1 1 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.