>3wxrM (M:) observed residues (from ATOM records) qfnpygdnggtilgiagedfavlagdtrnitdysinsryepkvfdcgdnivmsangfaad gdalvkrfknsvkwyhfdhndkklsinsaarniqhllygkrffpyyvhtiiagldedgkg avysfdpvgsyereqcraggaaaslimpfldnqvnfknqyepgtngkvkkplkylsveev iklvrdsftsaterhiqvgdgleilivtkdgvrkefyelkrd