Chains and heterogens:
PDB Chain Sequences:
>1y64A (A:) dedettalvcdngsglvkagfagddapravfpsivgrprhqgvmvgmgqkdsyvgdeaqs krgiltlkypiehgiitnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmt qimfetfnvpamyvaiqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldl agrdltdylmkiltergysfvttaereivrdikeklcyvaldfenemataassssleksy elpdgqvitignerfrcpetlfqpsfigmesagihettynsimkcdidirkdlyannvms ggttmypgiadrmqkeitalapstmkikiiapperkysvwiggsilaslstfqqmwitkq eydeagpsivhrkcf
>1y64A (A:) ettalvcdngsglvkagfagddapravfpsivgrprsyvgdeaqskrgiltlkypiehgi itnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmtqimfetfnvpamyva iqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldlagrdltdylmkilte rgysfvttaereivrdikeklcyvaldfenemataassssleksyelpdgqvitignerf rcpetlfqpsfigmesagihettynsimkcdidirkdlyannvmsggttmypgiadrmqk eitalapstmkikiiapperkysvwiggsilaslstfqqmwitkqeydeagpsivhr
>1y64B (B:) mpasqiksavtspllpqspslfekyprphkklkqlhwekldctdnsiwgtgkaekfaddl yekgvladlekafaareikslaskrkedlqkitflsrdisqqfginlhmysslsvadlvk kilncdrdflqtpsvveflskseiievsvnlarnyapystdwegvrnledakppekdpnd lqradqiylqlmvnlesywgsrmraltvvtsyereynellaklrkvdkavsalqesdnlr nvfnvilavgnfmndtskqaqgfklstlqrltfikdttnsmtflnyvekivrlnypsfnd flselepvldvvkvsieqlvndckdfsqsivnversveignlsdsskfhpldkvliktlp vlpearkkgdlledevkltimefeslmhtygedsgdkfakisffkkfadfineykkaqaq nlaaeeeerlyikhkkiveeqqk
>1y64B (B:) kyprphkklkqlhwekldctdnsiwgtgkaekfaddlyekgvladlekafaareikslas krkedlqkitflsrdisqqfginlhmysslsvadlvkkilncdrdflqtpsvveflskse iievsvnlarnyapystdwegvrnledakppekdpndlqradqiylqlmvnlesywgsrm raltvvtsyereynellaklrkvdkavsalqesdnlrnvfnvilavgnfmndtskqaqgf klstlqrltfikdttnsmtflnyvekivrlnypsfndflselepvldvvkvsieqlvndc kdfsqsivnversveignlsdsskfhpldkvliktlpvlpearkkgdlledevkltimef eslmhtygedsgdkfakisffkkfadfineykkaqaqnlaaeeeerlyikh