>4cyvC (C:) observed residues (from ATOM records)
ldkiclghhavangtivktltneqeevtnatetvestsldrlcmkgrshkdlgnchpigm
ligtpacdlhltgtwdtlierenaiaycypgatvneealrqkimesggiskistgftygs
sinsagttkacmrnggnsfyaelkwlvskskgqnfpqttntyrntdtaehlimwgihhps
stqekndlygtqslsisvgsstyqsnfvpvvgarpqvngqsgridfhwtlvqpgdnitfs
hnggliapsrvskligrglgiqsdapidnnceskcfwrggsintrlpfqnlsprtvgqcp
kyvnkkslmlatgmrnvpe