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" Another link between the BPDC and the Commission was Tom McMillan . Simulations of durations of 10 - 20 ns show that persistent hydrogen bonds form between the donor atoms of the protein and the acceptors of the lipid headgroup and that these bonds determine the position , orientation , and secondary structure of the peptide in the membrane environment . The first site is located at the C-terminus ; the second one lies in the central portion of the protein and forms an amphipathic alpha-helix in reconstituted myelin-mimetic systems ; the third is quite close to the N-terminus . After students have finished reading , they add the following information to the front of the concept card ( where they have written the word and sentence from the text ) : Superordinate Idea ( or large idea ) : This goes on the same side of the index card as the word and sentence from the text . Ballots from both the senate and the chamber of deputies are currently being examined following an agreement between the government and opposition.The second , and more normal , way in which Mr Berlusconi could return to power would be in the event of an irreparable collapse of the present government . But Mr Di Pietro claimed it was really an " agreement between the government and opposition to resolve the murky affairs of people close to them " .