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