Chains and heterogens:
PDB Chain Sequences:
>2r4pA (A:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntktahlngnqwgfgwnaeilyeldknnryaltyrsevkidfkgnys sdlnrafnnyglpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsq fqqlkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsis ipdqdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnya fhhhhhh
>2r4pA (A:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntktahlngnqwgfgwnaeilyeldknnryaltyrsevkidfkgnys sdlnrafnlpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsqfqq lkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsisipd qdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnyaf
>2r4pB (B:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntktahlngnqwgfgwnaeilyeldknnryaltyrsevkidfkgnys sdlnrafnnyglpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsq fqqlkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsis ipdqdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnya fhhhhhh
>2r4pB (B:) agfqlnefsssglgraysgegaiaddagnvsrnpalitmfdrptfsagavyidpdvnisg tspsgrslkadniaptawvpnmhfvapindqfgwgasitsnyglatefndtyaggsvggt tdletmnlnlsgayrlnnawsfglgfnavyarakierfagdlgqlvagqimqspagqtqq gqalaatangidsntktahlngnqwgfgwnaeilyeldknnryaltyrsevkidfkgnys sdlnrafnlpiptatggatqsgyltlnlpemwevsgynrvdpqwaihyslaytswsqfqq lkatstsgdtlfqkhegfkdayrialgttyyyddnwtfrtgiafddspvpaqnrsisipd qdrfwlsagttyafnkdasvdvgvsymhgqsvkinegpyqfesegkawlfgtnfnyaf