Chains and heterogens:
PDB Chain Sequences:
>3si9A (A:) mahhhhhhmgtleaqtqgpgsmlkgavtalitpfddngaidekafcnfvewqitqgingv spvgttgesptltheehkriielcveqvakrvpvvagagsnstseavelakhaekagada vlvvtpyynrpnqrglythfssiakaisipiiiynipsrsvidmavetmrdlcrdfknii gvkdatgkieraseqrekcgkdfvqlsgddctalgfnahggvgcisvssnvapklcaqlh aaclcsdyktalklndllmplnravfiepspagikyaaaklglcgtivrspivplsdttk kiidealyhagllke
>3si9A (A:) smlkgavtalitpfddngaidekafcnfvewqitqgingvspvgttgesptltheehkri ielcveqvakrvpvvagagsnstseavelakhaekagadavlvvtpyynrpnqrglythf ssiakaisipiiiynipsrsvidmavetmrdlcrdfkniigvkdatgkieraseqrekcg kdfvqlsgddctalgfnahggvgcisvssnvapklcaqlhaaclcsdyktalklndllmp lnravfiepspagikyaaaklglcgtivrspivplsdttkkiidealyhagllk
>3si9B (B:) mahhhhhhmgtleaqtqgpgsmlkgavtalitpfddngaidekafcnfvewqitqgingv spvgttgesptltheehkriielcveqvakrvpvvagagsnstseavelakhaekagada vlvvtpyynrpnqrglythfssiakaisipiiiynipsrsvidmavetmrdlcrdfknii gvkdatgkieraseqrekcgkdfvqlsgddctalgfnahggvgcisvssnvapklcaqlh aaclcsdyktalklndllmplnravfiepspagikyaaaklglcgtivrspivplsdttk kiidealyhagllke
>3si9B (B:) smlkgavtalitpfddngaidekafcnfvewqitqgingvspvgttgesptltheehkri ielcveqvakrvpvvagagsnstseavelakhaekagadavlvvtpyynrpnqrglythf ssiakaisipiiiynipsrsvidmavetmrdlcrdfkniigvkdatgkieraseqrekcg kdfvqlsgddctalgfnahggvgcisvssnvapklcaqlhaaclcsdyktalklndllmp lnravfiepspagikyaaaklglcgtivrspivplsdttkkiidealyhagll
>3si9C (C:) mahhhhhhmgtleaqtqgpgsmlkgavtalitpfddngaidekafcnfvewqitqgingv spvgttgesptltheehkriielcveqvakrvpvvagagsnstseavelakhaekagada vlvvtpyynrpnqrglythfssiakaisipiiiynipsrsvidmavetmrdlcrdfknii gvkdatgkieraseqrekcgkdfvqlsgddctalgfnahggvgcisvssnvapklcaqlh aaclcsdyktalklndllmplnravfiepspagikyaaaklglcgtivrspivplsdttk kiidealyhagllke
>3si9C (C:) smlkgavtalitpfddngaidekafcnfvewqitqgingvspvgttgesptltheehkri ielcveqvakrvpvvagagsnstseavelakhaekagadavlvvtpyynrpnqrglythf ssiakaisipiiiynipsrsvidmavetmrdlcrdfkniigvkdatgkieraseqrekcg kdfvqlsgddctalgfnahggvgcisvssnvapklcaqlhaaclcsdyktalklndllmp lnravfiepspagikyaaaklglcgtivrspivplsdttkkiidealyhagll
>3si9D (D:) mahhhhhhmgtleaqtqgpgsmlkgavtalitpfddngaidekafcnfvewqitqgingv spvgttgesptltheehkriielcveqvakrvpvvagagsnstseavelakhaekagada vlvvtpyynrpnqrglythfssiakaisipiiiynipsrsvidmavetmrdlcrdfknii gvkdatgkieraseqrekcgkdfvqlsgddctalgfnahggvgcisvssnvapklcaqlh aaclcsdyktalklndllmplnravfiepspagikyaaaklglcgtivrspivplsdttk kiidealyhagllke
>3si9D (D:) smlkgavtalitpfddngaidekafcnfvewqitqgingvspvgttgesptltheehkri ielcveqvakrvpvvagagsnstseavelakhaekagadavlvvtpyynrpnqrglythf ssiakaisipiiiynipsrsvidmavetmrdlcrdfkniigvkdatgkieraseqrekcg kdfvqlsgddctalgfnahggvgcisvssnvapklcaqlhaaclcsdyktalklndllmp lnravfiepspagikyaaaklglcgtivrspivplsdttkkiidealyhagllk