>5dg2B (B:) SEQRES residues gshmtgelevknmdmkpgstlkitgsiadgtdgfvinlgqgtdklnlhfnprfsestivc nsldgsnwgqeqredhlcfspgsevkftvtfesdkfkvklpdgheltfpnrlghshlsyl svrggfnmssfklke