ss-TEA: Entropy based identification of receptor specific ligand binding residues from a multiple sequence alignment of class A GPCRs. - Marijn P. A. Sanders; Wilco W. M. Fleuren; Stefan Verhoeven; Sven van den Beld; Wynand Alkema; Jacob de Vlieg; Jan P. G. Klomp (BMC Bioinform., 2011)