>1zabC (C:) observed residues (from ATOM records)
avepehvqrlllssreakksaycpysrfpvgaalltgdgrifsgcnienacyplgvcaer
taiqkaisegykdfraiaissdlqeefispcgacrqvmrefgtdwavymtkpdgtfvvrt
vqellpasfgpedlqk