Chains and heterogens:
PDB Chain Sequences:
>1v6vA (A:) aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki aqwdvvneafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal nggsstpppsgggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrv ygdkcldaagtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtli qlyscsngsnqrwtrt
>1v6vB (B:) aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki aqwdvvneafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal nggsstpppsgggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrv ygdkcldaagtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtli qlyscsngsnqrwtrt