Chains and heterogens:
PDB Chain Sequences:
>1in4A (A:) qflrpksldefigqenvkkklslaleaakmrgevldhvllagppglgkttlahiiaselq tnihvtsgpvlvkqgdmaailtslergdvlfideihrlnkaveellysaiedfqidimig kgpsaksiridiqpftlvgattrsgllssplrsrfgiileldfytvkelkeiikraaslm dveiedaaaemiakrsrgtpriairltkrvrdmltvvkadrintdivlktmevlniddeg ldefdrkilktiieiyrggpvglnalaaslgveadtlsevyepyllqagflartprgriv tekaykhlkyevp
>1in4A (A:) qflrpksldefigqenvkkklslaleaakmrgevldhvllagppglgkttlahiiaselq tnihvtsgpvlvkqgdmaailtslergdvlfideihrlnkaveellysaiedfqidiqpf tlvgattrsgllssplrsrfgiileldfytvkelkeiikraaslmdveiedaaaemiakr srgtpriairltkrvrdmltvvkadrintdivlktmevlniddegldefdrkilktiiei yrggpvglnalaaslgveadtlsevyepyllqagflartprgrivtekaykhlkyevp