Chains and heterogens:
PDB Chain Sequences:
>1fp5A (A:) vsaylsrpspfdlfirksptitclvvdlapskgtvnltwsrasgkpvnhstrkeekqrng tltvtstlpvgtrdwiegetyqcrvthphlpralmrsttktsgpraapevyafatpewpg srdkrtlacliqnfmpedisvqwlhnevqlpdarhsttqprktkgsgffvfsrlevtrae weqkdeficravheaaspsqtvqravsv