>3p9cA (A:) observed residues (from ATOM records)
aasadedacmfalqlasssvlpmtlknaielglleilvaaggksltptevaaklpsaanp
eapdmvdrilrllasynvvtclveegkdgrlsrsygaapvckfltpnedgvsmaalalmn
qdkvlmeswyylkdavldggipfnkaygmsafeyhgtdprfnrvfnegmknhsiiitkkl
lelyhgfeglgtlvdvgggvgatvaaiaahyptikgvnfdlphviseapqfpgvthvggd
mfkevpsgdtilmkwilhdwsdqhcatllkncydalpahgkvvlvqcilpvnpeanpssq
gvfhvdmimlahnpggreryerefqalargagftgvkstyiyanawaieftk