>2i9aB (B:) observed residues (from ATOM records) qvpsncdclnggtcvsnkyfsnihwcncpkkfggqhceidksktcyegnghfyrgkastd tmgrpclpwnsatvlqqtyhahrsdalqlglgkhnycrnpdnrrrpwcyvqvglkplvqe cmvhdca