Chains and heterogens:
PDB Chain Sequences:
>1atnA (A:) dedettalvcdngsglvkagfagddapravfpsivgrprhqgvmvgmgqkdsyvgdeaqs krgiltlkypiehgiitnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmt qimfetfnvpamyvaiqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldl agrdltdylmkiltergysfvttaereivrdikeklcyvaldfenemataassssleksy elpdgqvitignerfrcpetlfqpsfigmesagihettynsimkcdidirkdlyannvms ggttmypgiadrmqkeitalapstmkikiiapperkysvwiggsilaslstfqqmwitkq eydeagpsivhr
>1atnD (D:) lkiaafnirtfgetkmsnatlasyivrivrrydivliqevrdshlvavgklldylnqddp ntyhyvvseplgrnsykerylflfrpnkvsvldtyqyddgcgncgndsfsrepavvkfss hstkvkefaivalhsapsdavaeinslydvyldvqqkwhlndvmlmgdfnadcsyvtssq wssirlrtsstfqwlipdsadttatstncaydrivvagsllqssvvpgsaapfdfqaayg lsnemalaisdhypvevtlt
>1atnD (D:) lkiaafnirtfgetkmsnatlasyivrivrrydivliqevrdshlvavgklldylnqddp ntyhyvvseplgrnsykerylflfrpnkvsvldtyqyddgccgndsfsrepavvkfsshs tkvkefaivalhsapsdavaeinslydvyldvqqkwhlndvmlmgdfnadcsyvtssqws sirlrtsstfqwlipdsadttatstncaydrivvagsllqssvvpgsaapfdfqaaygls nemalaisdhypvevtlt