Chains and heterogens:
PDB Chain Sequences:
>1i9aA (A:) mqtehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpg vwtnsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpv faarttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftq lk
>1i9aA (A:) ehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpgvwt nsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpvfaa rttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftql
>1i9aB (B:) mqtehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpg vwtnsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpv faarttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftq lk
>1i9aB (B:) ehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpgvwt nsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpvfaa rttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftql