>5u72B (B:) observed residues (from ATOM records)
gqnidqptemtategaivqinctyqtsgfnglfwyqqhageaptflsynvldgleekgrf
ssflsrskgysylllkelqmkdsasylcavkdsnyqliwgagtkliikpdiqnpdpavyq
lrdskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavawsnksdf
acanafnnsiipedtffpsp