Chains and heterogens:
PDB Chain Sequences:
>1rakA (A:) gssmannalqtiinarlpgeeglwqihlqdgkisaidaqsgvmpitensldaeqglvipp fvephihldttqtagqpnwnqsgtlfegierwaerkallthddvkqrawqtlkwqiangi qhvrthvdvsdatltalkamlevkqevapwidlqivafpqegilsypngealleealrlg advvgaiphfeftreygveslhktfalaqkydrlidvhcdeiddeqsrfvetvaalahhe gmgarvtashttamhsyngaytsrlfrllkmsginfvanplvnihlqgrfdtypkrrgit rvkemlesginvcfghdsvfdpwyplgtanmlqvlhmglhvcqlmgygqindglnlithh sartlnlqdygiaagnsanliilpaengfdalrrqvpvrysvrggkviastqpaqttvyl eqpeaidykr
>1rakA (A:) alqtiinarlpgeeglwqihlqdgkisaidaqsgvmpitensldaeqglvippfvephih ldttqtagqpnwnqsgtlfegierwaerkallthddvkqrawqtlkwqiangiqhvrthv dvsdatltalkamlevkqevapwidlqivafpqegilsypngealleealrlgadvvgai phfeftreygveslhktfalaqkydrlidvhcdeiddeqsrfvetvaalahhegmgarvt ashttamhsyngaytsrlfrllkmsginfvanplvnihlqgrfdtypkrrgitrvkemle sginvcfghdsvfdpwyplgtanmlqvlhmglhvcqlmgygqindglnlithhsartlnl qdygiaagnsanliilpaengfdalrrqvpvrysvrggkviastqpaqttvyleqpeaid ykr