Chains and heterogens:
PDB Chain Sequences:
>1in4A (A:) msefltpertvydsgvqflrpksldefigqenvkkklslaleaakmrgevldhvllagpp glgkttlahiiaselqtnihvtsgpvlvkqgdmaailtslergdvlfideihrlnkavee llysaiedfqidimigkgpsaksiridiqpftlvgattrsgllssplrsrfgiileldfy tvkelkeiikraaslmdveiedaaaemiakrsrgtpriairltkrvrdmltvvkadrint divlktmevlniddegldefdrkilktiieiyrggpvglnalaaslgveadtlsevyepy llqagflartprgrivtekaykhlkyevpenrlf
>1in4A (A:) qflrpksldefigqenvkkklslaleaakmrgevldhvllagppglgkttlahiiaselq tnihvtsgpvlvkqgdmaailtslergdvlfideihrlnkaveellysaiedfqidiqpf tlvgattrsgllssplrsrfgiileldfytvkelkeiikraaslmdveiedaaaemiakr srgtpriairltkrvrdmltvvkadrintdivlktmevlniddegldefdrkilktiiei yrggpvglnalaaslgveadtlsevyepyllqagflartprgrivtekaykhlkyevp