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