Chains and heterogens:
PDB Chain Sequences:
>2a1hA (A:) asssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnlt lhpassslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellec irrlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvt pvslladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgt mnifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllral eegrvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahe wmfpv
>2a1hA (A:) ssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnltlh passslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellecir rlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvtpv slladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgtmn ifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllralee grvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahewm fpv
>2a1hB (B:) asssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnlt lhpassslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellec irrlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvt pvslladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgt mnifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllral eegrvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahe wmfpv
>2a1hB (B:) ssfkaadlqlemtqkphkkpgpgeplvfgktftdhmlmvewndkgwgqpriqpfqnltlh passslhyslqlfegmkafkgkdqqvrlfrpwlnmdrmlrsamrlclpsfdklellecir rlievdkdwvpdaagtslyvrpvlignepslgvsqprrallfvilcpvgayfpggsvtpv slladpafirawvggvgnyklggnygptvlvqqealkrgceqvlwlygpdhqltevgtmn ifvywthedgvlelvtpplngvilpgvvrqslldmaqtwgefrvvertitmkqllralee grvrevfgsgtacqvcpvhrilykdrnlhiptmengpelilrfqkelkeiqygirahewm fpv