>1q51C (C:) observed residues (from ATOM records)
npfdakawrlvdgfddltdityhrhvddatvrvafnrpevrnafrphtvdelyrvldhar
mspdvgvvlltgngpspkdggwafcsggdqlhilevqrlirfmpkvviclvngwaagggh
slhvvcdltlasreyarfkqtdadvgsfdggygsaylarqvgqkfareifflgrtytaeq
mhqmgavnavaehaeletvglqwaaeinakspqaqrmlkfafnllddglvgqqlfageat
rlaymtdeavegrdaflqkrppdwspfpryf