>2cdnA (A:) observed residues (from ATOM records)
prgshmrvlllgppgagkgtqavklaeklgipqistgelfrrnieegtklgveakrylda
gdlvpsdltnelvddrlnnpdaangfildgyprsveqakalhemlerrgtdidavlefrv
seevllerlkgrgraddtddvilnrmkvyrdetaplleyyrdqlktvdavgtmdevfara
lralgk