>4iz7C (C:) observed residues (from ATOM records)
pemvrgqvfdvgprytnlsyigegaygmvcsaydnvnkvrvaikkispfehqtycqrtlr
eikillrfrheniigindiiraptieqmkdvyivqdlmetdlykllktqhlsndhicyfl
yqilrglkyihsanvlhrdlkpsnlllnttcdlkicdfglarvadpeyvatrwyrapeim
lnskgytksidiwsvgcilaemlsnrpifpgkhyldqlnhilgilgspsqedlnciinlk
arnyllslphknkvpwnrlfpnadskaldlldkmltfnphkrieveqalahpyleqyydp
sdepiaeapfkfdmelddlpkeklkelifeetarfqpgyr