Chains and heterogens:
PDB Chain Sequences:
>1pvfA (A:) mqtehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpg vwtnsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpv faarttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftq lkl
>1pvfA (A:) ehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpgvwt nsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpvfaa rttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaft
>1pvfB (B:) mqtehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpg vwtnsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpv faarttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftq lkl
>1pvfB (B:) ehvillnaqgvptgtlekyaahtadtrlhlafsswlfnakgqllvtrralskkawpgvwt nsvcghpqlgesnedavirrcryelgveitppesiypdfryratdpsgivenevcpvfaa rttsalqinddevmdyqwcdladvlhgidatpwafspwmvmqatnrearkrlsaftqlkl