Chains and heterogens:
PDB Chain Sequences:
>1m5dA (A:) ktvvvttilespyvmmkknhemlegneryegycvdlaaeiakhcgfkykltivgdgkyga rdadtkiwngmvgelvygkadiaiapltitlvreevidfskpfmslgisimikkgtpies aedlskqteiaygtldsgstkeffrrskiavfdkmwtymrsaepsvfvrttaegvarvrk skgkyafllestmneyieqrkpcdtmkvggnldskgygiatpkgsslgnavnlavlklne qglldklknkwwydkgec