Chains and heterogens:
PDB Chain Sequences:
>1fq4A (A:) gghdvpltnylnaqyytditlgtppqnfkvildtgssnlwvpsnecgslacflhskydhe asssykangtefaiqygtgslegyisqdtlsigdltipkqdfaeatsepgltfafgkfdg ilglgydtisvdkvvppfynaiqqdlldekrfafylgdtskdtenggeatfggideskfk gditwlpvrrkaywevkfegiglgdeyaeleshgaaidtgtslitlpsglaeminaeiga kkgwtgqytldcntrdnlpdlifnfngynftigpydytlevsgscisaitpmdfpepvgp laivgdaflrkyysiydignnavglakai