>5xg0B (B:) observed residues (from ATOM records)
mnpyargpnptaasleasagpftvrsftvsrpsgygagtvyyptnaggtvgaiaivpgyt
arqssikwwgprlashgfvvitidtnstldqpssrssqqmaalrqvaslngtssspiygk
vdtarmgvmgwsmggggslisaannpslkaaapqapwdsstnfssvtvptlifacendsi
apvnssalpiydsmsrnakqfleinggshscansgnsnqaligkkgvawmkrfmdndtry
stfacenpnstrvsdfrtancs