Chains and heterogens:
PDB Chain Sequences:
>1g62A (A:) matrtqfensneigvfskltntyclvavggsenfysafeaelgdaipivhttiagtriig rmtagnrrgllvptqttdqelqhlrnslpdsvkiqrveerlsalgnviccndyvalvhpd idreteelisdvlgvevfrqtisgnilvgsycslsnqgglvhpqtsvqdqeelssllqvp lvagtvnrgssvvgagmvvndylavtgldttapelsviesifrl