Chains and heterogens:
PDB Chain Sequences:
>1sek_ (-) magetdlqkilresndqftaqmfsevvkanpgqnvvlsafsvlpplgqlalasvgeshde llralalpndnvtkdvfadlnrgvravkgvdlkmaskiyvakglelnddfaavsrdvfgs evqnvdfvksveaagainkwvedqtnnriknlvdpdaldettrsvlvnaiyfkgswkdkf nkertmdrdfhvskdktikvptmigkkdvryadvpeldakmiemsyegdqasmiiilpnq vdgitaleqklkdpkalsraeerlynteveiylpkfkietttdlkevlsnmnikklftpg aarlenllktkeslyvdaaiqkafievneegaeaaaanafkittysfhfvpkveinkpff fslkynrnsmfsgvcvqp
>1sek_ (-) getdlqkilresndqftaqmfsevvkanpgqnvvlsafsvlpplgqlalasvgeshdell ralalpndnvtkdvfadlnrgvravkgvdlkmaskiyvakglelnddfaavsrdvfgsev qnvdfvksveaagainkwvedqtnnriknlvdpdaldettrsvlvnaiyfkgswkdkfnk ertmdrdfhvskdktikvptmigkkdvryadvpeldakmiemsyegdqasmiiilpnqvd gitaleqklkdpkalsraeerlynteveiylpkfkietttdlkevlsnmnikklftpgaa rlenllktkeslyvdaaiqkafievneegaeaaaanafkittysfhfvpkveinkpfffs lkynrnsmfsgvcvqp