Chains and heterogens:
PDB Chain Sequences:
>1qfcA (A:) tapastlrfvavgdwggvpnapfhtaremanakeiartvqimgadfimslgdnfyftgvh dandkrfqetfedvfsdralrnipwyvlagnhdhlgnvsaqiayskiskrwnfpspyyrl rfkvprsnitvaifmldtvmlcgnsddfvsqqpemprdlgvartqlswlkkqlaaakedy vlvaghypiwsiaehgptrclvknlrpllaaygvtaylcghdhnlqylqdengvgyvlsg agnfmdpsvrhqrkvpngylrfhygsedslggftyveigskemsityveasgkslfktsl pr
>1qfcA (A:) tapastlrfvavgdwggvpnapfhtaremanakeiartvqimgadfimslgdnfyftgvh dandkrfqetfedvfsdralrnipwyvlagnhdhlgnvsaqiayskiskrwnfpspyyrl rfkvprsnitvaifmldtvmlcgnsvartqlswlkkqlaaakedyvlvaghypiwsiaeh gptrclvknlrpllaaygvtaylcghdhnlqylqdengvgyvlsgagnfmdpsvrhqrkv pngylrfhygsedslggftyveigskemsityveasgkslfktslpr