Chains and heterogens:
PDB Chain Sequences:
>1ekpA (A:) asssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnlt lhpassslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellec irrlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvt pvslladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgt mnifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllral eegrvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahe wmfpv
>1ekpB (B:) asssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnlt lhpassslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellec irrlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvt pvslladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgt mnifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllral eegrvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahe wmfpv