>4y4lA (A:) observed residues (from ATOM records) vthclsdivkkedwsdfkfapirestvsramtsryfkdldkfavsdviivgagssglsaa yviaknrpdlkvciiessvapgggswlggqlfsamvmrkpahlflqeleipyedegdyvv vkhaalfistvlskvlqlpnvklfnatcvedlvtrpptekgevtvagvvtnwtlvtqahg tcsmdpnvielagykndgtrdlsqkhgvilsttghdgpfgafcakrivdidqnqklggmk gldmnhaehdvvihsgayagvdnmyfagmevaeldglnrmgptfgamalsgvhaaeqilk hfa