Chains and heterogens:
PDB Chain Sequences:
>1clvA (A:) ekdanfasgrnsivhlfewkwndiadecerflqpqgfggvqisppneylvadgrpwwery qpvsyiintrsgdesaftdmtrrcndagvriyvdavinhmtgmngvgtsgssadhdgmny pavpygsgdfhspcevnnyqdadnvrncelvglrdlnqgsdyvrgvlidymnhmidlgva gfrvdaakhmspgdlsvifsglknlntdygfadgarpfiyqevidlggeaiskneytgfg cvlefqfgvslgnafqggnqlknlanwgpewgllegldavvfvdnhdnqrtggsqiltyk npkpykmaiafmlahpygttrimssfdftdndqgppqdgsgnlispginddntcsngyvc ehrwrqvygmvgfrnavegtqvenwwsnddnqiafsrgsqgfvaftnggdlnqnlntglp agtycdvisgelsggsctgksvtvgdngsadislgsaeddgvlaihvnakl
>1clvI (I:) cipkwnrcgpkmdgvpccepytctsdyygncs