| Unit 1 | GLY3 PRO4 PRO5 GLY6 PRO7 PRO8 GLY9 PRO10 PRO11 GLY12 PRO13 PRO14 GLY15 ALA16 ARG17 GLY18 GLU19 PRO20 GLY21 ASN22 ILE23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 ARG37 ALA38 PRO39 THR40 ASP41 GLN42 HIS43 ILE44 LYS45 GLN46 VAL47 CYS48 MSE49 ARG50 VAL51 ILE52 GLN53 GLU54 HIS55 PHE56 ALA57 GLU58 MSE59 ALA60 ALA61 SER62 LEU63 LYS64 ARG65 PRO66 |
| Unit 2 | SER2 GLY3 PRO4 PRO5 GLY6 PRO7 PRO8 GLY9 PRO10 PRO11 GLY12 PRO13 PRO14 GLY15 ALA16 ARG17 GLY18 GLN19 ALA20 GLY21 VAL22 MET23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 ARG37 ASP38 ALA39 THR40 ASP41 GLN42 HIS43 ILE44 VAL45 ASP46 VAL47 ALA48 LEU49 LYS50 MET51 LEU52 GLN53 GLU54 GLN55 LEU56 ALA57 GLU58 VAL59 ALA60 VAL61 SER62 ALA63 |
| Unit 3 | SER2 GLY3 PRO4 PRO5 GLY6 PRO7 PRO8 GLY9 PRO10 PRO11 GLY12 PRO13 PRO14 GLY15 ALA16 ARG17 GLY18 GLN19 ALA20 GLY21 VAL22 MET23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 LYS37 GLU38 ALA39 SER40 GLU41 GLN42 ARG43 ILE44 ARG45 GLU46 LEU47 CYS48 GLY49 GLY50 MET51 ILE52 SER53 GLU54 GLN55 ILE56 ALA57 GLN58 LEU59 ALA60 ALA61 HIS62 LEU63 ARG64 LYS65 PRO66 LEU67 |
| Unit 4 | PRO13 PRO14 GLY15 ALA16 ARG17 GLY18 GLU19 PRO20 GLY21 ASN22 ILE23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 ARG37 ALA38 PRO39 THR40 ASP41 GLN42 HIS43 ILE44 LYS45 GLN46 VAL47 CYS48 MSE49 ARG50 VAL51 ILE52 GLN53 GLU54 HIS55 PHE56 ALA57 GLU58 MSE59 ALA60 ALA61 SER62 LEU63 LYS64 ARG65 PRO66 ASP67 SER68 GLY69 ALA70 |
| Unit 5 | GLY15 ALA16 ARG17 GLY18 GLN19 ALA20 GLY21 VAL22 MET23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 ARG37 ASP38 ALA39 THR40 ASP41 GLN42 HIS43 ILE44 VAL45 ASP46 VAL47 ALA48 LEU49 LYS50 MET51 LEU52 GLN53 GLU54 GLN55 LEU56 ALA57 GLU58 VAL59 |
| Unit 6 | PRO10 PRO11 GLY12 PRO13 PRO14 GLY15 ALA16 ARG17 GLY18 GLN19 ALA20 GLY21 VAL22 MET23 GLY24 PHE25 PRO26 GLY27 PRO28 PRO29 GLY30 PRO31 PRO32 GLY33 PRO34 PRO35 GLY36 LYS37 GLU38 ALA39 SER40 GLU41 GLN42 ARG43 ILE44 ARG45 GLU46 LEU47 CYS48 GLY49 GLY50 MET51 ILE52 SER53 GLU54 GLN55 ILE56 ALA57 GLN58 LEU59 ALA60 ALA61 HIS62 LEU63 ARG64 LYS65 PRO66 LEU67 |