>1cujA (A:) observed residues (from ATOM records)
rttrddlingnsascadvifiyargstetgnlgtlgpsiasnlesafgkdgvwiqgvgga
yratlgdnalprgtssaairemlglfqqantkcpdatliaggycqgaalaaasiedldsa
irdkiagtvlfgytknlqnrgripnypadrtkvfcntgdlvctgslivaaphlaygpdar
gpapefliekvravrgs