Chains and heterogens:
PDB Chain Sequences:
>6cpa_ (-) arstntfnyatyhtldeiydfmdllvaqhpelvsklqigrsyegrpiyvlkfstggsnrp aiwidlgihsrewitqatgvwfakkftenygqnpsftaildsmdifleivtnpngfafth senrlwrktrsvtssslcvgvdanrnwdagfgkagassspcsetyhgkyansevevksiv dfvknhgnfkaflsihsysqlllypygyttqsipdktelnqvaksavaalkslygtsyky gsiittiyqasggsidwsynqgikysftfelrdtgrygfllpasqiiptaqetwlgvlti mehtvnn