Chains and heterogens:
PDB Chain Sequences:
>2q31A (A:) dedettalvcdngsglvkagfagddapravfpsivgrprhqgvmvgmgqkdsyvgdeaqs krgiltlkypiehgiitnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmt qimfetfnvpamyvaiqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldl agrdltdylmkiltergysfvttaereivrdikeklcyvaldfenemataassssleksy elpdgqvitignerfrcpetlfqpsfigmesagihettynsimkcdidirkdlyannvms ggttmypgiadrmqkeitalapstmkikiiapperkysvwiggsilaslstfqqmwitkq eydeagpsivhrkcf
>2q31A (A:) ttalvcdngsglvkagfagddapravfpsivgrptlkypiehgiitnwddmekiwhhtfy nelrvapeehptllteaplnpkanrekmtqimfetfnvpamyvaiqavlslyasgrttgi vldsgdgvthnvpiyegyalphaimrldlagrdltdylmkiltergysfvttaereivrd ikeklcyvaldfenemataassssleksyelpdgqvitignerfrcpetlfqpsfigmes agihettynsimkcdidirkdlyannvmsggttmypgiadrmqkeitalapstmkikiia pperkysvwiggsilaslstfqqmwitkqeydeag
>2q31B (B:) dedettalvcdngsglvkagfagddapravfpsivgrprhqgvmvgmgqkdsyvgdeaqs krgiltlkypiehgiitnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmt qimfetfnvpamyvaiqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldl agrdltdylmkiltergysfvttaereivrdikeklcyvaldfenemataassssleksy elpdgqvitignerfrcpetlfqpsfigmesagihettynsimkcdidirkdlyannvms ggttmypgiadrmqkeitalapstmkikiiapperkysvwiggsilaslstfqqmwitkq eydeagpsivhrkcf
>2q31B (B:) ttalvcdngsglvkagfagddapravfpsivgrptlkypiehgiitnwddmekiwhhtfy nelrvapeehptllteaplnpkanrekmtqimfetfnvpamyvaiqavlslyasgrttgi vldsgdgvthnvpiyegyalphaimrldlagrdltdylmkiltergysfvttaereivrd ikeklcyvaldfenemataassssleksyelpdgqvitignerfrcpetlfqpsfigmes agihettynsimkcdidirkdlyannvmsggttmypgiadrmqkeitalapstmkikiia pperkysvwiggsilaslstfqqmwitkqeydeagp