Chains and heterogens:
PDB Chain Sequences:
>1f0pA (A:) fsrpglpveylqvpspsmgrdikvqfqsggnnspavylldglraqddyngwdintpafew yyqsglsivmpvggqssfysdwyspacgkagcqtykwetfltselpqwlsanravkptgs aaiglsmagssamilaayhpqqfiyagslsalldpsqgmgpsliglamgdaggykaadmw gpssdpawerndptqqipklvanntrlwvycgngtpnelgganipaeflenfvrssnlkf qdaynaagghnavfnfppngthsweywgaqlnamkgdlqsslgag
>1f0pA (A:) srpglpveylqvpspsmgrdikvqfqsggnnspavylldglraqddyngwdintpafewy yqsglsivmpvggqssfysdwyspacgkagcqtykwetfltselpqwlsanravkptgsa aiglsmagssamilaayhpqqfiyagslsalldpsqgmgpsliglamgdaggykaadmwg pssdpawerndptqqipklvanntrlwvycgngtpnelgganipaeflenfvrssnlkfq daynaagghnavfnfppngthsweywgaqlnamkgdlqsslgag