load 1oga_e.pdb
load 1oga_d.pdb
hide lines 
show cartoon
color red, 1oga_e
color green, 1oga_d
select  1oga_d90, /1oga_d//D/Tyr`88/CA + /1oga_d//D/Leu`89/CA + /1oga_d//D/CYS`90/CA + /1oga_d//D/ALA`91/CA + /1oga_d//D/Gly`92/CA
select  1oga_e93, /1oga_e//E/Tyr`91/CA + /1oga_e//E/Leu`92/CA + /1oga_e//E/CYS`93/CA + /1oga_e//E/ALA`94/CA + /1oga_e//E/SER`95/CA
pair_fit 1oga_d90, 1oga_e93
png pairfit.png