nc = {[NAD]}.chainNo.min;
define ligOne [NAD] and chainNo=nc;
nc = {ligOne}.resNo.min;
define ligOne ligOne and resNo=nc;
define ligContact within(3.5, ligOne) and protein; 
define ligContact within(group,ligContact);
select ligContact and (hydrogens); hide selected; 
select ligContact and sidechain; color cpk; 
select ligContact and (sidechain,alpha); wireframe 0.3; 
select ligContact and *.CB; label %m%r; 
background label yellow; color labels black;
zoomTo 0.5 { (ligOne , ligContact )} 0 *0.8; 
select all;