Chains and heterogens:
PDB Chain Sequences:
>1ksgA (A:) gsmglltilkkmkqkerelrllmlgldnagkttilkkfngedvdtisptlgfniktlehr gfklniwdvggqkslrsywrnyfestdgliwvvdsadrqrmqdcqrelqsllveerlaga tllifankqdlpgalscnaiqealeldsirshhwriqgcsavtgedllpgidwllddiss rvftad
>1ksgA (A:) smglltilkkmkqkerelrllmlgldnagkttilkkfngedvdtisptlgfniktlehrg fklniwdvggqkslrsywrnyfestdgliwvvdsadrqrmqdcqrelqsllveerlagat llifankqdlpgalscnaiqealeldsirshhwriqgcsavtgedllpgidwllddissr
>1ksgB (B:) gsmsakderareilrgfklnwmnlrdaetgkilwqgtedlsvpgvehearvpkkilkcka vsrelnfssteqmekfrleqkvyfkgqcleewffefgfvipnstntwqslieaapesqmm pasvltgnviietkffdddllvstsrvrlfyv
>1ksgB (B:) kderareilrgfklnwmnlrdaetgkilwqgtedlsvpgvehearvpkkilkckavsrel nfssteqmekfrleqkvyfkgqcleewffefgfvipnstntwqsliietkffdddllvst srvrlfyv