| Unit 1 | ALA18 SER19 VAL20 SER21 ALA22 ARG23 THR24 LEU25 HIS26 PHE27 GLY28 THR29 SER30 ALA31 THR32 TYR33 ALA34 PRO35 TYR36 GLU37 PHE38 VAL39 ASP40 ALA41 ASP42 ASN43 LYS44 ILE45 VAL46 GLY47 PHE48 ASP49 ILE50 ASP51 VAL52 ALA53 ASN54 ALA55 VAL56 CYS57 LYS58 GLU59 MET60 GLN61 ALA62 GLU63 CYS64 SER65 PHE66 THR67 ASN68 GLN69 SER70 PHE71 ASP72 SER73 LEU74 ILE75 PRO76 SER77 LEU78 ARG79 PHE80 LYS81 LYS82 PHE83 ASP84 ALA85 VAL86 ILE87 ALA88 GLY89 MET90 ASP91 MET92 THR93 PRO94 LYS95 ARG96 GLU97 GLN98 GLN99 VAL100 SER101 PHE102 SER103 GLN104 PRO105 TYR106 TYR107 GLU108 GLY109 LEU110 SER111 ALA112 VAL113 VAL114 VAL115 THR116 ARG117 LYS118 GLY119 ALA120 TYR121 HIS122 THR123 PHE124 ALA125 ASP126 LEU127 LYS128 GLY129 LYS130 LYS131 VAL132 GLY133 LEU134 GLU135 ASN136 GLY137 THR138 THR139 HIS140 GLN141 ARG142 TYR143 LEU144 GLN145 ASP146 LYS147 GLN148 GLN149 ALA150 ILE151 THR152 PRO153 VAL154 ALA155 TYR156 ASP157 SER158 TYR159 LEU160 ASN161 ALA162 PHE163 THR164 ASP165 LEU166 LYS167 ASN168 ASN169 ARG170 LEU171 GLU172 GLY173 VAL174 PHE175 GLY176 ASP177 VAL178 ALA179 ALA180 ILE181 GLY182 LYS183 TRP184 LEU185 LYS186 ASN187 ASN188 PRO189 ASP190 TYR191 ALA192 ILE193 MET194 ASP195 GLU196 ARG197 ALA198 SER199 ASP200 PRO201 ASP202 TYR203 TYR204 GLY205 LYS206 GLY207 LEU208 GLY209 ILE210 ALA211 VAL212 ARG213 LYS214 ASP215 ASN216 ASP217 ALA218 LEU219 LEU220 GLN221 GLU222 ILE223 ASN224 ALA225 ALA226 LEU227 ASP228 LYS229 VAL230 LYS231 ALA232 SER233 PRO234 GLU235 TYR236 ALA237 GLN238 MET239 GLN240 GLU241 LYS242 TRP243 PHE244 THR245 |
| Unit 2 | ALA22 ARG23 THR24 LEU25 HIS26 PHE27 GLY28 THR29 SER30 ALA31 THR32 TYR33 ALA34 PRO35 TYR36 GLU37 PHE38 VAL39 ASP40 ALA41 ASP42 ASN43 LYS44 ILE45 VAL46 GLY47 PHE48 ASP49 ILE50 ASP51 VAL52 ALA53 ASN54 ALA55 VAL56 CYS57 LYS58 GLU59 MET60 GLN61 ALA62 GLU63 CYS64 SER65 PHE66 THR67 ASN68 GLN69 SER70 PHE71 ASP72 SER73 LEU74 ILE75 PRO76 SER77 LEU78 ARG79 PHE80 LYS81 LYS82 PHE83 ASP84 ALA85 VAL86 ILE87 ALA88 GLY89 MET90 ASP91 MET92 THR93 PRO94 LYS95 ARG96 GLU97 GLN98 GLN99 VAL100 SER101 PHE102 SER103 GLN104 PRO105 TYR106 TYR107 GLU108 GLY109 LEU110 SER111 ALA112 VAL113 VAL114 VAL115 THR116 ARG117 LYS118 GLY119 ALA120 TYR121 HIS122 THR123 PHE124 ALA125 ASP126 LEU127 LYS128 GLY129 LYS130 LYS131 VAL132 GLY133 LEU134 GLU135 ASN136 GLY137 THR138 THR139 HIS140 GLN141 ARG142 TYR143 LEU144 GLN145 ASP146 LYS147 GLN148 GLN149 ALA150 ILE151 THR152 PRO153 VAL154 ALA155 TYR156 ASP157 SER158 TYR159 LEU160 ASN161 ALA162 PHE163 THR164 ASP165 LEU166 LYS167 ASN168 ASN169 ARG170 LEU171 GLU172 GLY173 VAL174 PHE175 GLY176 ASP177 VAL178 ALA179 ALA180 ILE181 GLY182 LYS183 TRP184 LEU185 LYS186 ASN187 ASN188 PRO189 ASP190 TYR191 ALA192 ILE193 MET194 ASP195 GLU196 ARG197 ALA198 SER199 ASP200 PRO201 ASP202 TYR203 TYR204 GLY205 LYS206 GLY207 LEU208 GLY209 ILE210 ALA211 VAL212 ARG213 LYS214 ASP215 ASN216 ASP217 ALA218 LEU219 LEU220 GLN221 GLU222 ILE223 ASN224 ALA225 ALA226 LEU227 ASP228 LYS229 VAL230 LYS231 ALA232 SER233 PRO234 GLU235 TYR236 ALA237 GLN238 MET239 GLN240 GLU241 LYS242 TRP243 PHE244 THR245 |
| Unit 3 | ARG1245 ZN1246 ZN1247 ZN1248 ACT1249 GOL1250 |
| Unit 4 | ARG1245 ZN2246 ZN2247 ACT2248 GOL2249 ZN2250 |