Chains and heterogens:
PDB Chain Sequences:
>3bnfA (A:) sninerekervalnktahsqgiegkamseewaryyprqfdswkktkesdnitdmlkekpa lvvawagypfskdynaprghyyalqdnintlrtgapvdgktgplpsacwtckspdvprii eqdgeleyftgkwakygdeivntigcynchddksaelkskvpyldrglsaagfktfaest hqekrslvcaqchveyyfkktewkddkgvdktamvvtlpwskgisteqmeayydeinfad wthgisktpmlkaqhpdwelyktgihgqkgvscadchmpytqegavkysdhkvgnpldnm dkscmnchreseqklkdivkqkferkeflqdiafdnigkahletgkamelgatdaelkei rthirhaqwradmaiaghgsffhapeevlrllasgneeaqkariklvkvlakygaidyva pdfetkekaqklakvdmeafiaeklkfkqtleqewkkqaiakgrlnpeslkgvdekssyy dktkk
>3bnfA (A:) ktahsqgiegkamseewaryyprqfdswkktkesdnitdmlkekpalvvawagypfskdy naprghyyalqdnintlrtgapvdgktgplpsacwtckspdvpriieqdgeleyftgkwa kygdeivntigcynchddksaelkskvpyldrglsaagfktfaesthqekrslvcaqchv eyyfkktewkddkgvdktamvvtlpwskgisteqmeayydeinfadwthgisktpmlkaq hpdwelyktgihgqkgvscadchmpytqegavkysdhkvgnpldnmdkscmnchreseqk lkdivkqkferkeflqdiafdnigkahletgkamelgatdaelkeirthirhaqwradma iaghgsffhapeevlrllasgneeaqkariklvkvlakygaidyvapdfetkekaqklak vdmeafiaeklkfkqtleqewkkqaiakgrlnpeslkgvdekssyydktkk