Chains and heterogens:
PDB Chain Sequences:
>3chqA (A:) peivdtcslaspasvcrtkhlhlrcsvdftrrtltgtaaltvqsqednlrslvldtkdlt iekvvingqevkyalgerqsykgspmeislpialsknqeivieisfetspkssalqwltp eqtsgkehpylfsqcqaihcrailpcqdtpsvkltytaevsvpkelvalmsairdgetpd pedpsrkiykfiqkvpipcylialvvgalesrqigprtlvwsekeqveksayefsetesm lkiaedlggpyvwgqydllvlppsfpyggmenpcltfvtptllagdkslsnviaheishs wtgnlvtnktwdhfwlneghtvylerhicgrlfgekfrhfnalggwgelqnsvktfgeth pftklvvdltdidpdvayssvpyekgfallfyleqllggpeiflgflkayvekfsyksit tddwkdflysyfkdkvdvlnqvdwnawlyspglppikpnydmtltnacialsqrwitake ddlnsfnatdlkdlsshqlneflaqtlqraplplghikrmqevynfnainnseirfrwlr lciqskwedaiplalkmateqgrmkftrplfkdlaafdkshdqavrtyqehkasmhpvta mlvgkdlkvd
>3chqA (A:) ivdtcslaspasvcrtkhlhlrcsvdftrrtltgtaaltvqsqednlrslvldtkdltie kvvingqevkyalgerqsykgspmeislpialsknqeivieisfetspkssalqwltpeq tsgkehpylfsqcqaihcrailpcqdtpsvkltytaevsvpkelvalmsairdgetpdpe dpsrkiykfiqkvpipcylialvvgalesrqigprtlvwsekeqveksayefsetesmlk iaedlggpyvwgqydllvlppsfpyggmenpcltfvtptllagdkslsnviaheishswt gnlvtnktwdhfwlneghtvylerhicgrlfgekfrhfnalggwgelqnsvktfgethpf tklvvdltdidpdvayssvpyekgfallfyleqllggpeiflgflkayvekfsyksittd dwkdflysyfkdkvdvlnqvdwnawlyspglppikpnydmtltnacialsqrwitakedd lnsfnatdlkdlsshqlneflaqtlqraplplghikrmqevynfnainnseirfrwlrlc iqskwedaiplalkmateqgrmkftrplfkdlaafdkshdqavrtyqehkasmhpvtaml vgkdlkv