>5u1bE (E:) observed residues (from ATOM records)
mlskdiikllneqvnkemnssnlymsmsswcythsldgaglflfdhaaeeyehakklivf
lnennvpvqltsisapehkfegltqifqkayeheqhisesinnivdhaikskdhatfnfl
qwyvseqheeevlfkdildkielignenhglyladqyvkgiaksrk