>2gtlB (B:) SEQRES residues
kkqcgvleglkvksewgraygsghdreafsqaiwratfaqvpesrslfkrvhgddtshpa
fiahadrvlggldiaistldqpatlkeeldhlqvqhegrkipdnyfdafktailhvvaaq
lgrcydreawdacidhiedgikghh