0.014180 0.000000 0.000000 0.000000 0.005510 0.000000 0.000000 0.000000 0.021585 0.00000 0.00000 0.00000 Scheidig, A.J. Kossiakoff, A.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 70.522 181.488 46.328 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Protein Sci. PRCIEI 0795 0961-8368 6 1806 1824 9300481 Crystal structures of bovine chymotrypsin and trypsin complexed to the inhibitor domain of Alzheimer's amyloid beta-protein precursor (APPI) and basic pancreatic trypsin inhibitor (BPTI): engineering of inhibitors with altered specificities. 1997 US Biochemistry BICHAW 0033 0006-2960 29 10018 X-Ray Crystal Structure of the Protease Inhibitor Domain of Alzheimer'S Amyloid Beta-Protein Precursor 1990 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 MIRROR IMAGE PLATE 1994-05 MARRESEARCH MIRROR M x-ray 1 1.08 1.0 BL7-1 SSRL 1.08 SYNCHROTRON SSRL BEAMLINE BL7-1 1253.511 BOVINE CHYMOTRYPSIN 3.4.21.1 2 nat polymer 13934.556 BOVINE CHYMOTRYPSIN 3.4.21.1 2 man polymer 10074.495 BOVINE CHYMOTRYPSIN 3.4.21.1 2 man polymer 6005.667 PROTEASE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID BETA-PROTEIN PRECURSOR 2 man polymer 18.015 water 262 nat water APPI no no CGVPAIQPVLSGL CGVPAIQPVLSGL A,F polypeptide(L) no no IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDVVVAGEFDQGSSSEKIQKLKIAKVFKNSKYN SLTINNDITLLKLSTAASFSQTVSAVCLPSASDDFAAGTTCVTTGWGLTRY B,G polypeptide(L) no no ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY ARVTALVNWVQQTLAAN ANTPDRLQQASLPLLSNTNCKKYWGTKIKDAMICAGASGVSSCMGDSGGPLVCKKNGAWTLVGIVSWGSSTCSTSTPGVY ARVTALVNWVQQTLAAN C,H polypeptide(L) no no EVCSEQAETGPCRAMISRWYFDVTEGKCAPFFYGGCGGNRNNFDTEEYCMAVCG EVCSEQAETGPCRAMISRWYFDVTEGKCAPFFYGGCGGNRNNFDTEEYCMAVCG D,I polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n cattle Bos Escherichia sample A4 9913 PANCREATIC Bos taurus A4 562 Escherichia coli 27C7 PA4G32R cattle Bos Escherichia sample A4 9913 PANCREATIC Bos taurus A4 562 Escherichia coli 27C7 PA4G32R human Homo Escherichia sample A4 9606 PANCREATIC Homo sapiens A4 562 Escherichia coli 27C7 PA4G32R cattle Bos sample 9913 Bos taurus 1 2.39 48.09 4.5 pH 4.5 repository Initial release Version format compliance Version format compliance 1 0 1997-07-23 1 1 2008-03-24 1 2 2011-07-13 Y BNL 1997-01-23 REL REL HOH water HOH 56 5 HOH HOH 56 A HOH 85 5 HOH HOH 85 A HOH 90 5 HOH HOH 90 A HOH 97 5 HOH HOH 97 A HOH 106 5 HOH HOH 106 A HOH 135 5 HOH HOH 135 A HOH 146 5 HOH HOH 146 A HOH 1 5 HOH HOH 147 B HOH 2 5 HOH HOH 148 B HOH 4 5 HOH HOH 149 B HOH 5 5 HOH HOH 150 B HOH 6 5 HOH HOH 151 B HOH 8 5 HOH HOH 152 B HOH 13 5 HOH HOH 153 B HOH 14 5 HOH HOH 154 B HOH 16 5 HOH HOH 155 B HOH 19 5 HOH HOH 156 B HOH 24 5 HOH HOH 157 B HOH 25 5 HOH HOH 158 B HOH 27 5 HOH HOH 159 B HOH 31 5 HOH HOH 160 B HOH 32 5 HOH HOH 161 B HOH 33 5 HOH HOH 162 B HOH 35 5 HOH HOH 163 B HOH 36 5 HOH HOH 164 B HOH 38 5 HOH HOH 165 B HOH 41 5 HOH HOH 166 B HOH 45 5 HOH HOH 167 B HOH 46 5 HOH HOH 168 B HOH 48 5 HOH HOH 169 B HOH 52 5 HOH HOH 170 B HOH 54 5 HOH HOH 171 B HOH 57 5 HOH HOH 172 B HOH 58 5 HOH HOH 173 B HOH 59 5 HOH HOH 174 B HOH 60 5 HOH HOH 175 B HOH 61 5 HOH HOH 176 B HOH 62 5 HOH HOH 177 B HOH 66 5 HOH HOH 178 B HOH 67 5 HOH HOH 179 B HOH 70 5 HOH HOH 180 B HOH 72 5 HOH HOH 181 B HOH 73 5 HOH HOH 182 B HOH 74 5 HOH HOH 183 B HOH 75 5 HOH HOH 184 B HOH 79 5 HOH HOH 185 B HOH 80 5 HOH HOH 186 B HOH 87 5 HOH HOH 187 B HOH 88 5 HOH HOH 188 B HOH 91 5 HOH HOH 189 B HOH 93 5 HOH HOH 190 B HOH 98 5 HOH HOH 191 B HOH 99 5 HOH HOH 192 B HOH 101 5 HOH HOH 193 B HOH 105 5 HOH HOH 194 B HOH 108 5 HOH HOH 195 B HOH 110 5 HOH HOH 196 B HOH 112 5 HOH HOH 197 B HOH 116 5 HOH HOH 198 B HOH 121 5 HOH HOH 199 B HOH 124 5 HOH HOH 200 B HOH 127 5 HOH HOH 201 B HOH 131 5 HOH HOH 202 B HOH 137 5 HOH HOH 203 B HOH 140 5 HOH HOH 204 B HOH 141 5 HOH HOH 205 B HOH 145 5 HOH HOH 206 B HOH 148 5 HOH HOH 207 B HOH 151 5 HOH HOH 208 B HOH 152 5 HOH HOH 209 B HOH 57 5 HOH HOH 210 B HOH 3 5 HOH HOH 246 C HOH 7 5 HOH HOH 247 C HOH 9 5 HOH HOH 248 C HOH 12 5 HOH HOH 249 C HOH 15 5 HOH HOH 250 C HOH 17 5 HOH HOH 251 C HOH 18 5 HOH HOH 252 C HOH 20 5 HOH HOH 253 C HOH 26 5 HOH HOH 254 C HOH 28 5 HOH HOH 255 C HOH 34 5 HOH HOH 256 C HOH 37 5 HOH HOH 257 C HOH 40 5 HOH HOH 258 C HOH 47 5 HOH HOH 259 C HOH 50 5 HOH HOH 260 C HOH 51 5 HOH HOH 261 C HOH 53 5 HOH HOH 262 C HOH 55 5 HOH HOH 263 C HOH 64 5 HOH HOH 264 C HOH 65 5 HOH HOH 265 C HOH 68 5 HOH HOH 266 C HOH 69 5 HOH HOH 267 C HOH 76 5 HOH HOH 268 C HOH 77 5 HOH HOH 269 C HOH 82 5 HOH HOH 270 C HOH 84 5 HOH HOH 271 C HOH 92 5 HOH HOH 272 C HOH 95 5 HOH HOH 273 C HOH 96 5 HOH HOH 274 C HOH 102 5 HOH HOH 275 C HOH 104 5 HOH HOH 276 C HOH 109 5 HOH HOH 277 C HOH 111 5 HOH HOH 278 C HOH 117 5 HOH HOH 279 C HOH 119 5 HOH HOH 280 C HOH 122 5 HOH HOH 281 C HOH 123 5 HOH HOH 282 C HOH 129 5 HOH HOH 283 C HOH 132 5 HOH HOH 284 C HOH 133 5 HOH HOH 285 C HOH 138 5 HOH HOH 286 C HOH 139 5 HOH HOH 287 C HOH 142 5 HOH HOH 288 C HOH 143 5 HOH HOH 289 C HOH 147 5 HOH HOH 290 C HOH 150 5 HOH HOH 291 C HOH 10 5 HOH HOH 57 D HOH 11 5 HOH HOH 58 D HOH 21 5 HOH HOH 59 D HOH 22 5 HOH HOH 60 D HOH 23 5 HOH HOH 61 D HOH 29 5 HOH HOH 62 D HOH 30 5 HOH HOH 63 D HOH 39 5 HOH HOH 64 D HOH 42 5 HOH HOH 65 D HOH 43 5 HOH HOH 66 D HOH 44 5 HOH HOH 67 D HOH 49 5 HOH HOH 68 D HOH 63 5 HOH HOH 69 D HOH 71 5 HOH HOH 70 D HOH 78 5 HOH HOH 71 D HOH 81 5 HOH HOH 72 D HOH 83 5 HOH HOH 73 D HOH 86 5 HOH HOH 74 D HOH 89 5 HOH HOH 75 D HOH 94 5 HOH HOH 76 D HOH 100 5 HOH HOH 77 D HOH 103 5 HOH HOH 78 D HOH 107 5 HOH HOH 79 D HOH 113 5 HOH HOH 80 D HOH 114 5 HOH HOH 81 D HOH 115 5 HOH HOH 82 D HOH 118 5 HOH HOH 83 D HOH 120 5 HOH HOH 84 D HOH 125 5 HOH HOH 85 D HOH 126 5 HOH HOH 86 D HOH 128 5 HOH HOH 87 D HOH 130 5 HOH HOH 88 D HOH 134 5 HOH HOH 89 D HOH 136 5 HOH HOH 90 D HOH 144 5 HOH HOH 91 D HOH 149 5 HOH HOH 92 D HOH 153 5 HOH HOH 93 D HOH 1 5 HOH HOH 154 G HOH 2 5 HOH HOH 155 G HOH 3 5 HOH HOH 156 G HOH 4 5 HOH HOH 157 G HOH 5 5 HOH HOH 158 G HOH 6 5 HOH HOH 159 G HOH 7 5 HOH HOH 160 G HOH 8 5 HOH HOH 161 G HOH 11 5 HOH HOH 164 G HOH 12 5 HOH HOH 165 G HOH 15 5 HOH HOH 168 G HOH 18 5 HOH HOH 171 G HOH 23 5 HOH HOH 176 G HOH 24 5 HOH HOH 177 G HOH 26 5 HOH HOH 179 G HOH 30 5 HOH HOH 183 G HOH 31 5 HOH HOH 184 G HOH 33 5 HOH HOH 186 G HOH 35 5 HOH HOH 188 G HOH 36 5 HOH HOH 189 G HOH 38 5 HOH HOH 191 G HOH 41 5 HOH HOH 194 G HOH 45 5 HOH HOH 198 G HOH 52 5 HOH HOH 205 G HOH 54 5 HOH HOH 207 G HOH 56 5 HOH HOH 209 G HOH 58 5 HOH HOH 211 G HOH 59 5 HOH HOH 212 G HOH 66 5 HOH HOH 219 G HOH 68 5 HOH HOH 221 G HOH 71 5 HOH HOH 224 G HOH 74 5 HOH HOH 227 G HOH 80 5 HOH HOH 233 G HOH 82 5 HOH HOH 235 G HOH 84 5 HOH HOH 237 G HOH 89 5 HOH HOH 242 G HOH 90 5 HOH HOH 243 G HOH 91 5 HOH HOH 244 G HOH 92 5 HOH HOH 245 G HOH 93 5 HOH HOH 246 G HOH 95 5 HOH HOH 248 G HOH 98 5 HOH HOH 251 G HOH 100 5 HOH HOH 253 G HOH 101 5 HOH HOH 254 G HOH 102 5 HOH HOH 255 G HOH 105 5 HOH HOH 258 G HOH 106 5 HOH HOH 259 G HOH 109 5 HOH HOH 262 G HOH 13 5 HOH HOH 246 H HOH 14 5 HOH HOH 247 H HOH 16 5 HOH HOH 248 H HOH 17 5 HOH HOH 249 H HOH 19 5 HOH HOH 250 H HOH 25 5 HOH HOH 251 H HOH 27 5 HOH HOH 252 H HOH 32 5 HOH HOH 253 H HOH 34 5 HOH HOH 254 H HOH 37 5 HOH HOH 255 H HOH 40 5 HOH HOH 256 H HOH 46 5 HOH HOH 257 H HOH 47 5 HOH HOH 258 H HOH 50 5 HOH HOH 259 H HOH 51 5 HOH HOH 260 H HOH 53 5 HOH HOH 261 H HOH 55 5 HOH HOH 262 H HOH 62 5 HOH HOH 263 H HOH 63 5 HOH HOH 264 H HOH 64 5 HOH HOH 265 H HOH 65 5 HOH HOH 266 H HOH 67 5 HOH HOH 267 H HOH 69 5 HOH HOH 268 H HOH 70 5 HOH HOH 269 H HOH 75 5 HOH HOH 270 H HOH 76 5 HOH HOH 271 H HOH 81 5 HOH HOH 272 H HOH 83 5 HOH HOH 273 H HOH 86 5 HOH HOH 274 H HOH 88 5 HOH HOH 275 H HOH 94 5 HOH HOH 276 H HOH 97 5 HOH HOH 277 H HOH 99 5 HOH HOH 278 H HOH 103 5 HOH HOH 279 H HOH 104 5 HOH HOH 280 H HOH 9 5 HOH HOH 162 I HOH 10 5 HOH HOH 163 I HOH 20 5 HOH HOH 173 I HOH 21 5 HOH HOH 174 I HOH 22 5 HOH HOH 175 I HOH 28 5 HOH HOH 181 I HOH 29 5 HOH HOH 182 I HOH 39 5 HOH HOH 192 I HOH 42 5 HOH HOH 195 I HOH 43 5 HOH HOH 196 I HOH 44 5 HOH HOH 197 I HOH 48 5 HOH HOH 201 I HOH 49 5 HOH HOH 202 I HOH 60 5 HOH HOH 213 I HOH 61 5 HOH HOH 214 I HOH 72 5 HOH HOH 225 I HOH 73 5 HOH HOH 226 I HOH 77 5 HOH HOH 230 I HOH 78 5 HOH HOH 231 I HOH 79 5 HOH HOH 232 I HOH 85 5 HOH HOH 238 I HOH 87 5 HOH HOH 240 I HOH 96 5 HOH HOH 249 I HOH 107 5 HOH HOH 260 I HOH 108 5 HOH HOH 261 I CYS 1 n 1 CYS 1 A GLY 2 n 2 GLY 2 A VAL 3 n 3 VAL 3 A PRO 4 n 4 PRO 4 A ALA 5 n 5 ALA 5 A ILE 6 n 6 ILE 6 A GLN 7 n 7 GLN 7 A PRO 8 n 8 PRO 8 A VAL 9 n 9 VAL 9 A LEU 10 n 10 LEU 10 A SER 11 n 11 SER 11 A n 12 12 A n 13 13 A ILE 16 n 1 ILE 16 B VAL 17 n 2 VAL 17 B ASN 18 n 3 ASN 18 B GLY 19 n 4 GLY 19 B GLU 20 n 5 GLU 20 B GLU 21 n 6 GLU 21 B ALA 22 n 7 ALA 22 B VAL 23 n 8 VAL 23 B PRO 24 n 9 PRO 24 B GLY 25 n 10 GLY 25 B SER 26 n 11 SER 26 B TRP 27 n 12 TRP 27 B PRO 28 n 13 PRO 28 B TRP 29 n 14 TRP 29 B GLN 30 n 15 GLN 30 B VAL 31 n 16 VAL 31 B SER 32 n 17 SER 32 B LEU 33 n 18 LEU 33 B GLN 34 n 19 GLN 34 B ASP 35 n 20 ASP 35 B LYS 36 n 21 LYS 36 B THR 37 n 22 THR 37 B GLY 38 n 23 GLY 38 B PHE 39 n 24 PHE 39 B HIS 40 n 25 HIS 40 B PHE 41 n 26 PHE 41 B CYS 42 n 27 CYS 42 B GLY 43 n 28 GLY 43 B GLY 44 n 29 GLY 44 B SER 45 n 30 SER 45 B LEU 46 n 31 LEU 46 B ILE 47 n 32 ILE 47 B ASN 48 n 33 ASN 48 B GLU 49 n 34 GLU 49 B ASN 50 n 35 ASN 50 B TRP 51 n 36 TRP 51 B VAL 52 n 37 VAL 52 B VAL 53 n 38 VAL 53 B THR 54 n 39 THR 54 B ALA 55 n 40 ALA 55 B ALA 56 n 41 ALA 56 B HIS 57 n 42 HIS 57 B CYS 58 n 43 CYS 58 B GLY 59 n 44 GLY 59 B VAL 60 n 45 VAL 60 B THR 61 n 46 THR 61 B THR 62 n 47 THR 62 B SER 63 n 48 SER 63 B ASP 64 n 49 ASP 64 B VAL 65 n 50 VAL 65 B VAL 66 n 51 VAL 66 B VAL 67 n 52 VAL 67 B ALA 68 n 53 ALA 68 B GLY 69 n 54 GLY 69 B GLU 70 n 55 GLU 70 B PHE 71 n 56 PHE 71 B ASP 72 n 57 ASP 72 B GLN 73 n 58 GLN 73 B GLY 74 n 59 GLY 74 B SER 75 n 60 SER 75 B SER 76 n 61 SER 76 B SER 77 n 62 SER 77 B GLU 78 n 63 GLU 78 B LYS 79 n 64 LYS 79 B ILE 80 n 65 ILE 80 B GLN 81 n 66 GLN 81 B LYS 82 n 67 LYS 82 B LEU 83 n 68 LEU 83 B LYS 84 n 69 LYS 84 B ILE 85 n 70 ILE 85 B ALA 86 n 71 ALA 86 B LYS 87 n 72 LYS 87 B VAL 88 n 73 VAL 88 B PHE 89 n 74 PHE 89 B LYS 90 n 75 LYS 90 B ASN 91 n 76 ASN 91 B SER 92 n 77 SER 92 B LYS 93 n 78 LYS 93 B TYR 94 n 79 TYR 94 B ASN 95 n 80 ASN 95 B SER 96 n 81 SER 96 B LEU 97 n 82 LEU 97 B THR 98 n 83 THR 98 B ILE 99 n 84 ILE 99 B ASN 100 n 85 ASN 100 B ASN 101 n 86 ASN 101 B ASP 102 n 87 ASP 102 B ILE 103 n 88 ILE 103 B THR 104 n 89 THR 104 B LEU 105 n 90 LEU 105 B LEU 106 n 91 LEU 106 B LYS 107 n 92 LYS 107 B LEU 108 n 93 LEU 108 B SER 109 n 94 SER 109 B THR 110 n 95 THR 110 B ALA 111 n 96 ALA 111 B ALA 112 n 97 ALA 112 B SER 113 n 98 SER 113 B PHE 114 n 99 PHE 114 B SER 115 n 100 SER 115 B GLN 116 n 101 GLN 116 B THR 117 n 102 THR 117 B VAL 118 n 103 VAL 118 B SER 119 n 104 SER 119 B ALA 120 n 105 ALA 120 B VAL 121 n 106 VAL 121 B CYS 122 n 107 CYS 122 B LEU 123 n 108 LEU 123 B PRO 124 n 109 PRO 124 B SER 125 n 110 SER 125 B ALA 126 n 111 ALA 126 B SER 127 n 112 SER 127 B ASP 128 n 113 ASP 128 B ASP 129 n 114 ASP 129 B PHE 130 n 115 PHE 130 B ALA 131 n 116 ALA 131 B ALA 132 n 117 ALA 132 B GLY 133 n 118 GLY 133 B THR 134 n 119 THR 134 B THR 135 n 120 THR 135 B CYS 136 n 121 CYS 136 B VAL 137 n 122 VAL 137 B THR 138 n 123 THR 138 B THR 139 n 124 THR 139 B GLY 140 n 125 GLY 140 B TRP 141 n 126 TRP 141 B GLY 142 n 127 GLY 142 B LEU 143 n 128 LEU 143 B THR 144 n 129 THR 144 B ARG 145 n 130 ARG 145 B TYR 146 n 131 TYR 146 B ALA 149 n 1 ALA 149 C ASN 150 n 2 ASN 150 C THR 151 n 3 THR 151 C PRO 152 n 4 PRO 152 C ASP 153 n 5 ASP 153 C ARG 154 n 6 ARG 154 C LEU 155 n 7 LEU 155 C GLN 156 n 8 GLN 156 C GLN 157 n 9 GLN 157 C ALA 158 n 10 ALA 158 C SER 159 n 11 SER 159 C LEU 160 n 12 LEU 160 C PRO 161 n 13 PRO 161 C LEU 162 n 14 LEU 162 C LEU 163 n 15 LEU 163 C SER 164 n 16 SER 164 C ASN 165 n 17 ASN 165 C THR 166 n 18 THR 166 C ASN 167 n 19 ASN 167 C CYS 168 n 20 CYS 168 C LYS 169 n 21 LYS 169 C LYS 170 n 22 LYS 170 C TYR 171 n 23 TYR 171 C TRP 172 n 24 TRP 172 C GLY 173 n 25 GLY 173 C THR 174 n 26 THR 174 C LYS 175 n 27 LYS 175 C ILE 176 n 28 ILE 176 C LYS 177 n 29 LYS 177 C ASP 178 n 30 ASP 178 C ALA 179 n 31 ALA 179 C MET 180 n 32 MET 180 C ILE 181 n 33 ILE 181 C CYS 182 n 34 CYS 182 C ALA 183 n 35 ALA 183 C GLY 184 n 36 GLY 184 C ALA 185 n 37 ALA 185 C SER 186 n 38 SER 186 C GLY 187 n 39 GLY 187 C VAL 188 n 40 VAL 188 C SER 189 n 41 SER 189 C SER 190 n 42 SER 190 C CYS 191 n 43 CYS 191 C MET 192 n 44 MET 192 C GLY 193 n 45 GLY 193 C ASP 194 n 46 ASP 194 C SER 195 n 47 SER 195 C GLY 196 n 48 GLY 196 C GLY 197 n 49 GLY 197 C PRO 198 n 50 PRO 198 C LEU 199 n 51 LEU 199 C VAL 200 n 52 VAL 200 C CYS 201 n 53 CYS 201 C LYS 202 n 54 LYS 202 C LYS 203 n 55 LYS 203 C ASN 204 n 56 ASN 204 C GLY 205 n 57 GLY 205 C ALA 206 n 58 ALA 206 C TRP 207 n 59 TRP 207 C THR 208 n 60 THR 208 C LEU 209 n 61 LEU 209 C VAL 210 n 62 VAL 210 C GLY 211 n 63 GLY 211 C ILE 212 n 64 ILE 212 C VAL 213 n 65 VAL 213 C SER 214 n 66 SER 214 C TRP 215 n 67 TRP 215 C GLY 216 n 68 GLY 216 C SER 217 n 69 SER 217 C SER 218 n 70 SER 218 C THR 219 n 71 THR 219 C CYS 220 n 72 CYS 220 C SER 221 n 73 SER 221 C THR 222 n 74 THR 222 C SER 223 n 75 SER 223 C THR 224 n 76 THR 224 C PRO 225 n 77 PRO 225 C GLY 226 n 78 GLY 226 C VAL 227 n 79 VAL 227 C TYR 228 n 80 TYR 228 C ALA 229 n 81 ALA 229 C ARG 230 n 82 ARG 230 C VAL 231 n 83 VAL 231 C THR 232 n 84 THR 232 C ALA 233 n 85 ALA 233 C LEU 234 n 86 LEU 234 C VAL 235 n 87 VAL 235 C ASN 236 n 88 ASN 236 C TRP 237 n 89 TRP 237 C VAL 238 n 90 VAL 238 C GLN 239 n 91 GLN 239 C GLN 240 n 92 GLN 240 C THR 241 n 93 THR 241 C LEU 242 n 94 LEU 242 C ALA 243 n 95 ALA 243 C ALA 244 n 96 ALA 244 C ASN 245 n 97 ASN 245 C GLU 3 n 1 GLU 3 D VAL 4 n 2 VAL 4 D CYS 5 n 3 CYS 5 D SER 6 n 4 SER 6 D GLU 7 n 5 GLU 7 D GLN 8 n 6 GLN 8 D ALA 9 n 7 ALA 9 D GLU 10 n 8 GLU 10 D THR 11 n 9 THR 11 D GLY 12 n 10 GLY 12 D PRO 13 n 11 PRO 13 D CYS 14 n 12 CYS 14 D ARG 15 n 13 ARG 15 D ALA 16 n 14 ALA 16 D MET 17 n 15 MET 17 D ILE 18 n 16 ILE 18 D SER 19 n 17 SER 19 D ARG 20 n 18 ARG 20 D TRP 21 n 19 TRP 21 D TYR 22 n 20 TYR 22 D PHE 23 n 21 PHE 23 D ASP 24 n 22 ASP 24 D VAL 25 n 23 VAL 25 D THR 26 n 24 THR 26 D GLU 27 n 25 GLU 27 D GLY 28 n 26 GLY 28 D LYS 29 n 27 LYS 29 D CYS 30 n 28 CYS 30 D ALA 31 n 29 ALA 31 D PRO 32 n 30 PRO 32 D PHE 33 n 31 PHE 33 D PHE 34 n 32 PHE 34 D TYR 35 n 33 TYR 35 D GLY 36 n 34 GLY 36 D GLY 37 n 35 GLY 37 D CYS 38 n 36 CYS 38 D GLY 39 n 37 GLY 39 D GLY 40 n 38 GLY 40 D ASN 41 n 39 ASN 41 D ARG 42 n 40 ARG 42 D ASN 43 n 41 ASN 43 D ASN 44 n 42 ASN 44 D PHE 45 n 43 PHE 45 D ASP 46 n 44 ASP 46 D THR 47 n 45 THR 47 D GLU 48 n 46 GLU 48 D GLU 49 n 47 GLU 49 D TYR 50 n 48 TYR 50 D CYS 51 n 49 CYS 51 D MET 52 n 50 MET 52 D ALA 53 n 51 ALA 53 D VAL 54 n 52 VAL 54 D CYS 55 n 53 CYS 55 D GLY 56 n 54 GLY 56 D CYS 1 n 1 CYS 1 F GLY 2 n 2 GLY 2 F VAL 3 n 3 VAL 3 F PRO 4 n 4 PRO 4 F ALA 5 n 5 ALA 5 F ILE 6 n 6 ILE 6 F GLN 7 n 7 GLN 7 F PRO 8 n 8 PRO 8 F VAL 9 n 9 VAL 9 F LEU 10 n 10 LEU 10 F SER 11 n 11 SER 11 F n 12 12 F n 13 13 F ILE 16 n 1 ILE 16 G VAL 17 n 2 VAL 17 G ASN 18 n 3 ASN 18 G GLY 19 n 4 GLY 19 G GLU 20 n 5 GLU 20 G GLU 21 n 6 GLU 21 G ALA 22 n 7 ALA 22 G VAL 23 n 8 VAL 23 G PRO 24 n 9 PRO 24 G GLY 25 n 10 GLY 25 G SER 26 n 11 SER 26 G TRP 27 n 12 TRP 27 G PRO 28 n 13 PRO 28 G TRP 29 n 14 TRP 29 G GLN 30 n 15 GLN 30 G VAL 31 n 16 VAL 31 G SER 32 n 17 SER 32 G LEU 33 n 18 LEU 33 G GLN 34 n 19 GLN 34 G ASP 35 n 20 ASP 35 G LYS 36 n 21 LYS 36 G THR 37 n 22 THR 37 G GLY 38 n 23 GLY 38 G PHE 39 n 24 PHE 39 G HIS 40 n 25 HIS 40 G PHE 41 n 26 PHE 41 G CYS 42 n 27 CYS 42 G GLY 43 n 28 GLY 43 G GLY 44 n 29 GLY 44 G SER 45 n 30 SER 45 G LEU 46 n 31 LEU 46 G ILE 47 n 32 ILE 47 G ASN 48 n 33 ASN 48 G GLU 49 n 34 GLU 49 G ASN 50 n 35 ASN 50 G TRP 51 n 36 TRP 51 G VAL 52 n 37 VAL 52 G VAL 53 n 38 VAL 53 G THR 54 n 39 THR 54 G ALA 55 n 40 ALA 55 G ALA 56 n 41 ALA 56 G HIS 57 n 42 HIS 57 G CYS 58 n 43 CYS 58 G GLY 59 n 44 GLY 59 G VAL 60 n 45 VAL 60 G THR 61 n 46 THR 61 G THR 62 n 47 THR 62 G SER 63 n 48 SER 63 G ASP 64 n 49 ASP 64 G VAL 65 n 50 VAL 65 G VAL 66 n 51 VAL 66 G VAL 67 n 52 VAL 67 G ALA 68 n 53 ALA 68 G GLY 69 n 54 GLY 69 G GLU 70 n 55 GLU 70 G PHE 71 n 56 PHE 71 G ASP 72 n 57 ASP 72 G GLN 73 n 58 GLN 73 G GLY 74 n 59 GLY 74 G SER 75 n 60 SER 75 G SER 76 n 61 SER 76 G SER 77 n 62 SER 77 G GLU 78 n 63 GLU 78 G LYS 79 n 64 LYS 79 G ILE 80 n 65 ILE 80 G GLN 81 n 66 GLN 81 G LYS 82 n 67 LYS 82 G LEU 83 n 68 LEU 83 G LYS 84 n 69 LYS 84 G ILE 85 n 70 ILE 85 G ALA 86 n 71 ALA 86 G LYS 87 n 72 LYS 87 G VAL 88 n 73 VAL 88 G PHE 89 n 74 PHE 89 G LYS 90 n 75 LYS 90 G ASN 91 n 76 ASN 91 G SER 92 n 77 SER 92 G LYS 93 n 78 LYS 93 G TYR 94 n 79 TYR 94 G ASN 95 n 80 ASN 95 G SER 96 n 81 SER 96 G LEU 97 n 82 LEU 97 G THR 98 n 83 THR 98 G ILE 99 n 84 ILE 99 G ASN 100 n 85 ASN 100 G ASN 101 n 86 ASN 101 G ASP 102 n 87 ASP 102 G ILE 103 n 88 ILE 103 G THR 104 n 89 THR 104 G LEU 105 n 90 LEU 105 G LEU 106 n 91 LEU 106 G LYS 107 n 92 LYS 107 G LEU 108 n 93 LEU 108 G SER 109 n 94 SER 109 G THR 110 n 95 THR 110 G ALA 111 n 96 ALA 111 G ALA 112 n 97 ALA 112 G SER 113 n 98 SER 113 G PHE 114 n 99 PHE 114 G SER 115 n 100 SER 115 G GLN 116 n 101 GLN 116 G THR 117 n 102 THR 117 G VAL 118 n 103 VAL 118 G SER 119 n 104 SER 119 G ALA 120 n 105 ALA 120 G VAL 121 n 106 VAL 121 G CYS 122 n 107 CYS 122 G LEU 123 n 108 LEU 123 G PRO 124 n 109 PRO 124 G SER 125 n 110 SER 125 G ALA 126 n 111 ALA 126 G SER 127 n 112 SER 127 G ASP 128 n 113 ASP 128 G ASP 129 n 114 ASP 129 G PHE 130 n 115 PHE 130 G ALA 131 n 116 ALA 131 G ALA 132 n 117 ALA 132 G GLY 133 n 118 GLY 133 G THR 134 n 119 THR 134 G THR 135 n 120 THR 135 G CYS 136 n 121 CYS 136 G VAL 137 n 122 VAL 137 G THR 138 n 123 THR 138 G THR 139 n 124 THR 139 G GLY 140 n 125 GLY 140 G TRP 141 n 126 TRP 141 G GLY 142 n 127 GLY 142 G LEU 143 n 128 LEU 143 G THR 144 n 129 THR 144 G ARG 145 n 130 ARG 145 G TYR 146 n 131 TYR 146 G ALA 149 n 1 ALA 149 H ASN 150 n 2 ASN 150 H THR 151 n 3 THR 151 H PRO 152 n 4 PRO 152 H ASP 153 n 5 ASP 153 H ARG 154 n 6 ARG 154 H LEU 155 n 7 LEU 155 H GLN 156 n 8 GLN 156 H GLN 157 n 9 GLN 157 H ALA 158 n 10 ALA 158 H SER 159 n 11 SER 159 H LEU 160 n 12 LEU 160 H PRO 161 n 13 PRO 161 H LEU 162 n 14 LEU 162 H LEU 163 n 15 LEU 163 H SER 164 n 16 SER 164 H ASN 165 n 17 ASN 165 H THR 166 n 18 THR 166 H ASN 167 n 19 ASN 167 H CYS 168 n 20 CYS 168 H LYS 169 n 21 LYS 169 H LYS 170 n 22 LYS 170 H TYR 171 n 23 TYR 171 H TRP 172 n 24 TRP 172 H GLY 173 n 25 GLY 173 H THR 174 n 26 THR 174 H LYS 175 n 27 LYS 175 H ILE 176 n 28 ILE 176 H LYS 177 n 29 LYS 177 H ASP 178 n 30 ASP 178 H ALA 179 n 31 ALA 179 H MET 180 n 32 MET 180 H ILE 181 n 33 ILE 181 H CYS 182 n 34 CYS 182 H ALA 183 n 35 ALA 183 H GLY 184 n 36 GLY 184 H ALA 185 n 37 ALA 185 H SER 186 n 38 SER 186 H GLY 187 n 39 GLY 187 H VAL 188 n 40 VAL 188 H SER 189 n 41 SER 189 H SER 190 n 42 SER 190 H CYS 191 n 43 CYS 191 H MET 192 n 44 MET 192 H GLY 193 n 45 GLY 193 H ASP 194 n 46 ASP 194 H SER 195 n 47 SER 195 H GLY 196 n 48 GLY 196 H GLY 197 n 49 GLY 197 H PRO 198 n 50 PRO 198 H LEU 199 n 51 LEU 199 H VAL 200 n 52 VAL 200 H CYS 201 n 53 CYS 201 H LYS 202 n 54 LYS 202 H LYS 203 n 55 LYS 203 H ASN 204 n 56 ASN 204 H GLY 205 n 57 GLY 205 H ALA 206 n 58 ALA 206 H TRP 207 n 59 TRP 207 H THR 208 n 60 THR 208 H LEU 209 n 61 LEU 209 H VAL 210 n 62 VAL 210 H GLY 211 n 63 GLY 211 H ILE 212 n 64 ILE 212 H VAL 213 n 65 VAL 213 H SER 214 n 66 SER 214 H TRP 215 n 67 TRP 215 H GLY 216 n 68 GLY 216 H SER 217 n 69 SER 217 H SER 218 n 70 SER 218 H THR 219 n 71 THR 219 H CYS 220 n 72 CYS 220 H SER 221 n 73 SER 221 H THR 222 n 74 THR 222 H SER 223 n 75 SER 223 H THR 224 n 76 THR 224 H PRO 225 n 77 PRO 225 H GLY 226 n 78 GLY 226 H VAL 227 n 79 VAL 227 H TYR 228 n 80 TYR 228 H ALA 229 n 81 ALA 229 H ARG 230 n 82 ARG 230 H VAL 231 n 83 VAL 231 H THR 232 n 84 THR 232 H ALA 233 n 85 ALA 233 H LEU 234 n 86 LEU 234 H VAL 235 n 87 VAL 235 H ASN 236 n 88 ASN 236 H TRP 237 n 89 TRP 237 H VAL 238 n 90 VAL 238 H GLN 239 n 91 GLN 239 H GLN 240 n 92 GLN 240 H THR 241 n 93 THR 241 H LEU 242 n 94 LEU 242 H ALA 243 n 95 ALA 243 H ALA 244 n 96 ALA 244 H ASN 245 n 97 ASN 245 H GLU 3 n 1 GLU 3 I VAL 4 n 2 VAL 4 I CYS 5 n 3 CYS 5 I SER 6 n 4 SER 6 I GLU 7 n 5 GLU 7 I GLN 8 n 6 GLN 8 I ALA 9 n 7 ALA 9 I GLU 10 n 8 GLU 10 I THR 11 n 9 THR 11 I GLY 12 n 10 GLY 12 I PRO 13 n 11 PRO 13 I CYS 14 n 12 CYS 14 I ARG 15 n 13 ARG 15 I ALA 16 n 14 ALA 16 I MET 17 n 15 MET 17 I ILE 18 n 16 ILE 18 I SER 19 n 17 SER 19 I ARG 20 n 18 ARG 20 I TRP 21 n 19 TRP 21 I TYR 22 n 20 TYR 22 I PHE 23 n 21 PHE 23 I ASP 24 n 22 ASP 24 I VAL 25 n 23 VAL 25 I THR 26 n 24 THR 26 I GLU 27 n 25 GLU 27 I GLY 28 n 26 GLY 28 I LYS 29 n 27 LYS 29 I CYS 30 n 28 CYS 30 I ALA 31 n 29 ALA 31 I PRO 32 n 30 PRO 32 I PHE 33 n 31 PHE 33 I PHE 34 n 32 PHE 34 I TYR 35 n 33 TYR 35 I GLY 36 n 34 GLY 36 I GLY 37 n 35 GLY 37 I CYS 38 n 36 CYS 38 I GLY 39 n 37 GLY 39 I GLY 40 n 38 GLY 40 I ASN 41 n 39 ASN 41 I ARG 42 n 40 ARG 42 I ASN 43 n 41 ASN 43 I ASN 44 n 42 ASN 44 I PHE 45 n 43 PHE 45 I ASP 46 n 44 ASP 46 I THR 47 n 45 THR 47 I GLU 48 n 46 GLU 48 I GLU 49 n 47 GLU 49 I TYR 50 n 48 TYR 50 I CYS 51 n 49 CYS 51 I MET 52 n 50 MET 52 I ALA 53 n 51 ALA 53 I VAL 54 n 52 VAL 54 I CYS 55 n 53 CYS 55 I GLY 56 n 54 GLY 56 I author_and_software_defined_assembly PISA 4 tetrameric author_and_software_defined_assembly PISA 4 tetrameric 8600 -70 12070 8660 -69 11990 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 B O GLN 81 B O GLN 66 B N ALA 68 B N ALA 53 B O VAL 65 B O VAL 50 B N GLN 34 B N GLN 19 B O VAL 31 B O VAL 16 B N GLY 44 B N GLY 29 B O VAL 52 B O VAL 37 B N LEU 106 B N LEU 91 B O LEU 105 B O LEU 90 B N PHE 89 B N PHE 74 B O CYS 136 B O CYS 121 C N LEU 160 C N LEU 12 C O ILE 181 C O ILE 33 C N TYR 228 C N TYR 80 C O VAL 227 C O VAL 79 C N TRP 215 C N TRP 67 C O ALA 206 C O ALA 58 C N LYS 203 C N LYS 55 D O ILE 18 D O ILE 16 D N TYR 35 D N TYR 33 G O GLN 81 F O GLN 66 G N ALA 68 F N ALA 53 G O VAL 65 F O VAL 50 G N GLN 34 F N GLN 19 G O VAL 31 F O VAL 16 G N GLY 44 F N GLY 29 G O SER 45 F O SER 30 G N VAL 53 F N VAL 38 G O VAL 52 F O VAL 37 G N LEU 106 F N LEU 91 G O LEU 105 F O LEU 90 G N PHE 89 F N PHE 74 G O CYS 136 F O CYS 121 H N LEU 160 G N LEU 12 H O ILE 181 G O ILE 33 H N TYR 228 G N TYR 80 H O VAL 227 G O VAL 79 H N TRP 215 G N TRP 67 H O ALA 206 G O ALA 58 H N LYS 203 G N LYS 55 I O ILE 18 H O ILE 16 I N TYR 35 H N TYR 33 1 A GLY 12 A GLY 12 1 Y 1 A LEU 13 A LEU 13 1 Y 1 F GLY 12 E GLY 12 1 Y 1 F LEU 13 E LEU 13 1 Y 1 B ASN 18 74.68 33.95 1 B ASP 35 -103.45 -167.10 1 B PHE 71 -134.70 -55.51 1 B ASN 101 72.26 43.53 1 C ALA 179 -95.02 30.93 1 C SER 214 -122.47 -80.58 1 F ILE 6 -76.50 -136.98 1 G PRO 24 -50.96 100.33 1 G PHE 71 -153.07 -27.40 1 G SER 77 -78.02 48.93 1 G ASN 101 71.04 47.21 1 G SER 115 -165.64 -160.12 1 G LEU 143 -36.69 115.49 1 H ASN 204 64.76 -0.12 1 H SER 214 -114.83 -86.11 1 H SER 218 -57.99 1.31 1 I CYS 55 -102.96 68.32 PARHCSDX.PRO TOPHCSDX.PRO PARAM19.SOL TOPH19.SOL 39.3 0.323 0.215 0.215 2.1 8.0 30005 8.6 85.0 RANDOM 10000000.0 0.001 1 RESTRAINED YES 0.0 0.43 0.29 8.0 0.34 0.35 2.1 8.0 262 4608 0 0 4346 0.007 1.402 26.21 1.245 0.427 0.391 2.17 247 2219 10 7.2 72.3 37.8 2.1 10.0 1CA0 33088 0.0298 1 39.87 3.05 81.10 data scaling XDS data scaling XSCALE model building X-PLOR 3.1 refinement X-PLOR 3.1 data reduction XDS phasing X-PLOR 3.1 BOVINE CHYMOTRYPSIN, PROTEASE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID BETA-PROTEIN PRECURSOR BOVINE CHYMOTRYPSIN COMPLEXED TO APPI 1 N N 2 N N 3 N N 4 N N 1 N N 2 N N 3 N N 4 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N 5 N N B ALA 56 B ALA 41 HELX_P B CYS 58 B CYS 43 5 1 3 C ASN 165 C ASN 17 HELX_P C LYS 175 C LYS 27 1 2 11 C LYS 203 C LYS 55 HELX_P C GLY 205 C GLY 57 5 3 3 C VAL 231 C VAL 83 HELX_P C ALA 244 C ALA 96 1 4 14 D VAL 4 D VAL 2 HELX_P D SER 6 D SER 4 5 5 3 D GLU 48 D GLU 46 HELX_P D CYS 55 D CYS 53 1 6 8 G ALA 56 F ALA 41 HELX_P G CYS 58 F CYS 43 5 7 3 H ASN 165 G ASN 17 HELX_P H LYS 175 G LYS 27 1 8 11 H VAL 231 G VAL 83 HELX_P H ALA 233 G ALA 85 5 9 3 H VAL 235 G VAL 87 HELX_P H ALA 244 G ALA 96 1 10 10 I VAL 4 H VAL 2 HELX_P I SER 6 H SER 4 5 11 3 I GLU 48 H GLU 46 HELX_P I VAL 54 H VAL 52 1 12 7 disulf 2.037 A CYS 1 A SG CYS 1 1_555 B CYS 122 B SG CYS 107 1_555 disulf 2.019 B CYS 42 B SG CYS 27 1_555 B CYS 58 B SG CYS 43 1_555 disulf 2.031 B CYS 136 B SG CYS 121 1_555 C CYS 201 C SG CYS 53 1_555 disulf 2.022 C CYS 168 C SG CYS 20 1_555 C CYS 182 C SG CYS 34 1_555 disulf 2.031 C CYS 191 C SG CYS 43 1_555 C CYS 220 C SG CYS 72 1_555 disulf 2.029 D CYS 5 D SG CYS 3 1_555 D CYS 55 D SG CYS 53 1_555 disulf 2.033 D CYS 14 D SG CYS 12 1_555 D CYS 38 D SG CYS 36 1_555 disulf 2.027 D CYS 30 D SG CYS 28 1_555 D CYS 51 D SG CYS 49 1_555 disulf 2.026 F CYS 1 E SG CYS 1 1_555 G CYS 122 F SG CYS 107 1_555 disulf 2.036 G CYS 42 F SG CYS 27 1_555 G CYS 58 F SG CYS 43 1_555 disulf 2.026 G CYS 136 F SG CYS 121 1_555 H CYS 201 G SG CYS 53 1_555 disulf 2.028 H CYS 168 G SG CYS 20 1_555 H CYS 182 G SG CYS 34 1_555 disulf 2.031 H CYS 191 G SG CYS 43 1_555 H CYS 220 G SG CYS 72 1_555 disulf 2.026 I CYS 5 H SG CYS 3 1_555 I CYS 55 H SG CYS 53 1_555 disulf 2.028 I CYS 14 H SG CYS 12 1_555 I CYS 38 H SG CYS 36 1_555 disulf 2.031 I CYS 30 H SG CYS 28 1_555 I CYS 51 H SG CYS 49 1_555 COMPLEX (SERINE PROTEASE/INHIBITOR) SERINE PROTEASE, INHIBITOR, PROTEASE-SUBSTRATE INTERACTIONS, COMPLEX (SERINE PROTEASE-INHIBITOR), COMPLEX (SERINE PROTEASE-INHIBITOR) complex given -0.782832 0.018759 0.621950 -0.046560 0.994977 -0.088614 -0.620489 -0.098327 -0.778027 29.61210 -14.31470 74.25060 CTRA_BOVIN UNP 1 1 P00766 CTRA_BOVIN UNP 2 16 P00766 CTRA_BOVIN UNP 3 149 P00766 A4_HUMAN UNP 4 289 P05067 1 13 1CA0 1 13 P00766 A 1 1 13 16 146 1CA0 16 146 P00766 B 2 1 131 149 245 1CA0 149 245 P00766 C 3 1 97 289 342 1CA0 3 56 P05067 D 4 1 54 1 13 1CA0 1 13 P00766 F 1 1 13 16 146 1CA0 16 146 P00766 G 2 1 131 149 245 1CA0 149 245 P00766 H 3 1 97 289 342 1CA0 3 56 P05067 I 4 1 54 4 3 2 4 2 7 2 4 2 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel B GLN 81 B GLN 66 B LYS 84 B LYS 69 B VAL 65 B VAL 50 B ALA 68 B ALA 53 B GLN 30 B GLN 15 B GLN 34 B GLN 19 B HIS 40 B HIS 25 B SER 45 B SER 30 B TRP 51 B TRP 36 B THR 54 B THR 39 B THR 104 B THR 89 B LEU 108 B LEU 93 B ILE 85 B ILE 70 B LYS 90 B LYS 75 B THR 135 B THR 120 B GLY 140 B GLY 125 C GLN 156 C GLN 8 C PRO 161 C PRO 13 C MET 180 C MET 32 C GLY 184 C GLY 36 C PRO 225 C PRO 77 C ARG 230 C ARG 82 C ALA 206 C ALA 58 C TRP 215 C TRP 67 C PRO 198 C PRO 50 C LYS 203 C LYS 55 D ILE 18 D ILE 16 D ASP 24 D ASP 22 D LYS 29 D LYS 27 D TYR 35 D TYR 33 G GLN 81 F GLN 66 G LYS 84 F LYS 69 G VAL 65 F VAL 50 G ALA 68 F ALA 53 G GLN 30 F GLN 15 G GLN 34 F GLN 19 G HIS 40 F HIS 25 G ASN 48 F ASN 33 G TRP 51 F TRP 36 G THR 54 F THR 39 G THR 104 F THR 89 G LEU 108 F LEU 93 G ILE 85 F ILE 70 G LYS 90 F LYS 75 G THR 135 F THR 120 G GLY 140 F GLY 125 H GLN 156 G GLN 8 H PRO 161 G PRO 13 H MET 180 G MET 32 H GLY 184 G GLY 36 H PRO 225 G PRO 77 H ARG 230 G ARG 82 H ALA 206 G ALA 58 H TRP 215 G TRP 67 H PRO 198 G PRO 50 H LYS 203 G LYS 55 I ILE 18 H ILE 16 I ASP 24 H ASP 22 I LYS 29 H LYS 27 I TYR 35 H TYR 33 18 P 21 21 2