Chains and heterogens:
PDB Chain Sequences:
>1ptg_ (-) assvnelenwskwmqpipdsiplarisipgthdsgtfklqnpikqvwgmtqeydfryqmd hgarifdirgrltddntivlhhgplylyvtlhefineakqflkdnpsetiimslkkeyed mkgaedsfsstfekkyfvdpiflktegniklgdargkivllkrysgsnepggynnfywpd netftttvnqnanvtvqdkykvsydekvksikdtmdetmnnsedlnhlyinftslssggt awnspyyyasyinpeianyikqknparvgwviqdyinekwspllyqeviranksli