<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>Hi, </div><div><br></div><div>By homology modelling, I got putative structures for five closely related amino acid transporters. Is there any script that will allow the quick selection and visualisation of the invariant residues on the structures?</div><div>Thanks,</div><div><br></div><div>Jean-Paul</div><div><br></div><div> </div></body></html>