Chains and heterogens:
PDB Chain Sequences:
>3cs0A (A:) aetssattaqqmpslapmlekvmpsvvsinvegsttvntprmprnfqqffgddspfcqeg spfqsspfcqggqggngggqqqkfmalgsgviidadkgyvvtnnhvvdnatvikvqlsdg rkfdakmvgkdprsdialiqiqnpknltaikmadsdalrvgdytvaignpfglgetvtsg ivsalgrsglnaenyenfiqtdaainrgnsggalvnlngeligintailapdggnigigf aipsnmvknltsqmveygqvkrgelgimgtelnselakamkvdaqrgafvsqvlpnssaa kagikagdvitslngkpissfaalraqvgtmpvgskltlgllrdgkqvnvnlelqqssqn qvdsssifngiegaemsnkgkdqgvvvnnvktgtpaaqiglkkgdviiganqqavkniae lrkvldskpsvlalniqrgdstiyllmq
>3cs0A (A:) qmpslapmlekvmpsvvsinvegstqkfmalgsgviidadkgyvvtnnhvvdnatvikvq lsdgrkfdakmvgkdprsdialiqiqnpknltaikmadsdalrvgdytvaignpfglget vtsgivsalgrsglnaenyenfiqtdaainrgnsggalvnlngeligintailapdggni gigfaipsnmvknltsqmveygqvkrgelgimgtelnselakamkvdaqrgafvsqvlpn ssaakagikagdvitslngkpissfaalraqvgtmpvgskltlgllrdgkqvnvnlelqq ssqnqvdsssifngiegaemsnkgkdqgvvvnnvktgtpaaqiglkkgdviiganqqavk niaelrkvldskpsvlalniqrgdstiyllmq