Chains and heterogens:
PDB Chain Sequences:
>6c55A (A:) mttvyydqdvktdalqgkkiavvgygsqghahaqnlkdngydvvigirpgrsfdkakedg fdvfpvaeavkqadvimvllpdeiqgdvykneiepnlekhnalafahgfnihfgviqppa dvdvflvapkgpghlvrrtfvegsavpslfgiqqdasgqarnialsyakgigatragvie ttfkeetetdlfgeqavlcggvskliqsgfetlveagyqpelayfevlhemklivdlmye ggmenvrysisntaefgdyvsgprvitpdvkenmkavltdiqngnfsnrfiednkngfke fyklreeqhghqiekvgrelremmpfiksksiekhhhhhh
>6c55A (A:) ttvyydqdvktdalqgkkiavvgygsqghahaqnlkdngydvvigirpgrsfdkakedgf dvfpvaeavkqadvimvllpdeiqgdvykneiepnlekhnalafahgfnihfgviqppad vdvflvapkgpghlvrrtfvegsavpslfgiqqdasgqarnialsyakgigatragviet tfkeetetdlfgeqavlcggvskliqsgfetlveagyqpelayfevlhemklivdlmyeg gmenvrysisntaefgdyvsgprvitpdvkenmkavltdiqngnfsnrfiednkngfkef yklreeqhghqiekvgrelremmpfi
>6c55B (B:) mttvyydqdvktdalqgkkiavvgygsqghahaqnlkdngydvvigirpgrsfdkakedg fdvfpvaeavkqadvimvllpdeiqgdvykneiepnlekhnalafahgfnihfgviqppa dvdvflvapkgpghlvrrtfvegsavpslfgiqqdasgqarnialsyakgigatragvie ttfkeetetdlfgeqavlcggvskliqsgfetlveagyqpelayfevlhemklivdlmye ggmenvrysisntaefgdyvsgprvitpdvkenmkavltdiqngnfsnrfiednkngfke fyklreeqhghqiekvgrelremmpfiksksiekhhhhhh
>6c55B (B:) ttvyydqdvktdalqgkkiavvgygsqghahaqnlkdngydvvigirpgrsfdkakedgf dvfpvaeavkqadvimvllpdeiqgdvykneiepnlekhnalafahgfnihfgviqppad vdvflvapkgpghlvrrtfvegsavpslfgiqqdasgqarnialsyakgigatragviet tfkeetetdlfgeqavlcggvskliqsgfetlveagyqpelayfevlhemklivdlmyeg gmenvrysisntaefgdyvsgprvitpdvkenmkavltdiqngnfsnrfiednkngfkef yklreeqhghqiekvgrelremmpfi