Chains and heterogens:
PDB Chain Sequences:
>1t16A (A:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntkiahlngnqwgfgwnagilyeldknnryaltyrsevkidfkgnys sdlnrafnnyglpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsq fqqlkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsis ipdqdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnya fhhhhhh
>1t16B (B:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntkiahlngnqwgfgwnagilyeldknnryaltyrsevkidfkgnys sdlnrafnnyglpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsq fqqlkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsis ipdqdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnya fhhhhhh