>5u4nA (A:) observed residues (from ATOM records)
malvsmrqlldhaaensyglpafnvnnleqmraimeaadqvnapvivqasagarkyagap
flrhlilaaveefphipvvmhqdhgaspdvcqrsiqlgfssvmmdgslledgktpssyey
nvnatrtvvnfshacgvsvegeigvlgnletgeageedgvgaagklshdqmltsvedavr
fvkdtgvdalaiavgtshgaykftrpptgdvlridrikeihqalpnthivmhgsssvpqe
wlkvineyggnigetygvpveeivegikhgvrkvnidtdlrlastgavrrylaenpsdfd
prkylgktieamkqicldrylafgcegqagkikpvslekmasryakgeln