>5fk9A (A:) observed residues (from ATOM records)
mgiqveqsppdlilqeganstlrcnfsdsvnnlqwfhqnpwgqlinlfyipsgtkqngrl
sattvaterysllyisssqttdsgvyfcavdsgtykyifgtgtrlkvlaniqnpdpavyq
lrdskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrdfksnsavawsnksdfac
anafnnsiipedtffpsp