0.032835 0.000000 0.006399 0.000000 0.013752 0.000000 0.000000 0.000000 0.032720 0.00000 0.00000 0.00000 Ng, K.K. Petersen, J.F. Cherney, M.M. Garen, C. James, M.N. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 90.00 101.03 90.00 30.455 72.717 31.137 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 Nat.Struct.Biol. NSBIEW 2024 1072-8368 7 653 657 10.1038/77950 10932249 Structural basis for the inhibition of porcine pepsin by Ascaris pepsin inhibitor-3. 2000 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 IMAGE PLATE 1997-10-03 MAC Science DIP-2030B SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU200 16411.689 MAJOR PEPSIN INHIBITOR PI-3 1 man polymer 18.015 water 136 nat water no no QFLFSMSTGPFICTVKDNQVFVANLPWTMLEGDDIQVGKEFAARVEDCTNVKHDMAPTCTKPPPFCGPQDMKMFNFVGCS VLGNKLFIDQKYVRDLTAKDHAEVQTFREKIAAFEEQQENQPPSSGMPHGAVPAGGLSPPPPPSFCTVQ QFLFSMSTGPFICTVKDNQVFVANLPWTMLEGDDIQVGKEFAARVEDCTNVKHDMAPTCTKPPPFCGPQDMKMFNFVGCS VLGNKLFIDQKYVRDLTAKDHAEVQTFREKIAAFEEQQENQPPSSGMPHGAVPAGGLSPPPPPSFCTVQ A 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 pig roundworm Ascaris Escherichia sample 6253 Ascaris suum 562 Escherichia coli PET-3D 1 2.06 40.29 VAPOR DIFFUSION, HANGING DROP 7.0 PEG 4000, potassium fluoride, spermidine-HCl, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 diffrn_source repository Initial release Version format compliance Version format compliance Data collection 1 0 2001-02-01 1 1 2008-04-27 1 2 2011-07-13 1 3 2018-04-04 _diffrn_source.type scaris pepsin inhibitor-3 bound to porcine pepsin RCSB Y RCSB 2000-05-31 REL REL HOH water HOH 1 2 HOH HOH 149 A HOH 2 2 HOH HOH 150 A HOH 3 2 HOH HOH 151 A HOH 4 2 HOH HOH 152 A HOH 5 2 HOH HOH 153 A HOH 6 2 HOH HOH 154 A HOH 7 2 HOH HOH 155 A HOH 8 2 HOH HOH 156 A HOH 9 2 HOH HOH 157 A HOH 10 2 HOH HOH 158 A HOH 11 2 HOH HOH 159 A HOH 12 2 HOH HOH 160 A HOH 13 2 HOH HOH 161 A HOH 14 2 HOH HOH 162 A HOH 15 2 HOH HOH 163 A HOH 16 2 HOH HOH 164 A HOH 17 2 HOH HOH 165 A HOH 18 2 HOH HOH 166 A HOH 19 2 HOH HOH 167 A HOH 20 2 HOH HOH 168 A HOH 21 2 HOH HOH 169 A HOH 22 2 HOH HOH 170 A HOH 23 2 HOH HOH 171 A HOH 24 2 HOH HOH 172 A HOH 25 2 HOH HOH 173 A HOH 26 2 HOH HOH 174 A HOH 27 2 HOH HOH 175 A HOH 28 2 HOH HOH 176 A HOH 29 2 HOH HOH 177 A HOH 30 2 HOH HOH 178 A HOH 31 2 HOH HOH 179 A HOH 32 2 HOH HOH 180 A HOH 33 2 HOH HOH 181 A HOH 34 2 HOH HOH 182 A HOH 35 2 HOH HOH 183 A HOH 36 2 HOH HOH 184 A HOH 37 2 HOH HOH 185 A HOH 38 2 HOH HOH 186 A HOH 39 2 HOH HOH 187 A HOH 40 2 HOH HOH 188 A HOH 41 2 HOH HOH 189 A HOH 42 2 HOH HOH 190 A HOH 43 2 HOH HOH 191 A HOH 44 2 HOH HOH 192 A HOH 45 2 HOH HOH 193 A HOH 46 2 HOH HOH 194 A HOH 47 2 HOH HOH 195 A HOH 48 2 HOH HOH 196 A HOH 49 2 HOH HOH 197 A HOH 50 2 HOH HOH 198 A HOH 51 2 HOH HOH 199 A HOH 52 2 HOH HOH 200 A HOH 53 2 HOH HOH 201 A HOH 54 2 HOH HOH 202 A HOH 55 2 HOH HOH 203 A HOH 56 2 HOH HOH 204 A HOH 57 2 HOH HOH 205 A HOH 58 2 HOH HOH 206 A HOH 59 2 HOH HOH 207 A HOH 60 2 HOH HOH 208 A HOH 61 2 HOH HOH 209 A HOH 62 2 HOH HOH 210 A HOH 63 2 HOH HOH 211 A HOH 64 2 HOH HOH 212 A HOH 65 2 HOH HOH 213 A HOH 66 2 HOH HOH 214 A HOH 67 2 HOH HOH 215 A HOH 68 2 HOH HOH 216 A HOH 69 2 HOH HOH 217 A HOH 70 2 HOH HOH 218 A HOH 71 2 HOH HOH 219 A HOH 72 2 HOH HOH 220 A HOH 73 2 HOH HOH 221 A HOH 74 2 HOH HOH 222 A HOH 75 2 HOH HOH 223 A HOH 76 2 HOH HOH 224 A HOH 77 2 HOH HOH 225 A HOH 78 2 HOH HOH 226 A HOH 79 2 HOH HOH 227 A HOH 80 2 HOH HOH 228 A HOH 81 2 HOH HOH 229 A HOH 82 2 HOH HOH 230 A HOH 83 2 HOH HOH 231 A HOH 84 2 HOH HOH 232 A HOH 85 2 HOH HOH 233 A HOH 86 2 HOH HOH 234 A HOH 87 2 HOH HOH 235 A HOH 88 2 HOH HOH 236 A HOH 89 2 HOH HOH 237 A HOH 90 2 HOH HOH 238 A HOH 91 2 HOH HOH 239 A HOH 92 2 HOH HOH 240 A HOH 93 2 HOH HOH 241 A HOH 94 2 HOH HOH 242 A HOH 95 2 HOH HOH 243 A HOH 96 2 HOH HOH 244 A HOH 97 2 HOH HOH 245 A HOH 98 2 HOH HOH 246 A HOH 99 2 HOH HOH 247 A HOH 100 2 HOH HOH 248 A HOH 101 2 HOH HOH 249 A HOH 102 2 HOH HOH 250 A HOH 103 2 HOH HOH 251 A HOH 104 2 HOH HOH 252 A HOH 105 2 HOH HOH 253 A HOH 106 2 HOH HOH 254 A HOH 107 2 HOH HOH 255 A HOH 108 2 HOH HOH 256 A HOH 109 2 HOH HOH 257 A HOH 110 2 HOH HOH 258 A HOH 111 2 HOH HOH 259 A HOH 112 2 HOH HOH 260 A HOH 113 2 HOH HOH 261 A HOH 114 2 HOH HOH 262 A HOH 115 2 HOH HOH 263 A HOH 116 2 HOH HOH 264 A HOH 117 2 HOH HOH 265 A HOH 118 2 HOH HOH 266 A HOH 119 2 HOH HOH 267 A HOH 120 2 HOH HOH 268 A HOH 121 2 HOH HOH 269 A HOH 122 2 HOH HOH 270 A HOH 123 2 HOH HOH 271 A HOH 124 2 HOH HOH 272 A HOH 125 2 HOH HOH 273 A HOH 126 2 HOH HOH 274 A HOH 127 2 HOH HOH 275 A HOH 128 2 HOH HOH 276 A HOH 129 2 HOH HOH 277 A HOH 130 2 HOH HOH 278 A HOH 131 2 HOH HOH 279 A HOH 132 2 HOH HOH 280 A HOH 133 2 HOH HOH 281 A HOH 134 2 HOH HOH 282 A HOH 135 2 HOH HOH 283 A HOH 136 2 HOH HOH 284 A n 1 1 A PHE 2 n 2 PHE 2 A LEU 3 n 3 LEU 3 A PHE 4 n 4 PHE 4 A SER 5 n 5 SER 5 A MET 6 n 6 MET 6 A SER 7 n 7 SER 7 A THR 8 n 8 THR 8 A GLY 9 n 9 GLY 9 A PRO 10 n 10 PRO 10 A PHE 11 n 11 PHE 11 A ILE 12 n 12 ILE 12 A CYS 13 n 13 CYS 13 A THR 14 n 14 THR 14 A VAL 15 n 15 VAL 15 A LYS 16 n 16 LYS 16 A ASP 17 n 17 ASP 17 A ASN 18 n 18 ASN 18 A GLN 19 n 19 GLN 19 A VAL 20 n 20 VAL 20 A PHE 21 n 21 PHE 21 A VAL 22 n 22 VAL 22 A ALA 23 n 23 ALA 23 A ASN 24 n 24 ASN 24 A LEU 25 n 25 LEU 25 A PRO 26 n 26 PRO 26 A TRP 27 n 27 TRP 27 A THR 28 n 28 THR 28 A MET 29 n 29 MET 29 A LEU 30 n 30 LEU 30 A GLU 31 n 31 GLU 31 A GLY 32 n 32 GLY 32 A ASP 33 n 33 ASP 33 A ASP 34 n 34 ASP 34 A ILE 35 n 35 ILE 35 A GLN 36 n 36 GLN 36 A VAL 37 n 37 VAL 37 A GLY 38 n 38 GLY 38 A LYS 39 n 39 LYS 39 A GLU 40 n 40 GLU 40 A PHE 41 n 41 PHE 41 A ALA 42 n 42 ALA 42 A ALA 43 n 43 ALA 43 A ARG 44 n 44 ARG 44 A VAL 45 n 45 VAL 45 A GLU 46 n 46 GLU 46 A ASP 47 n 47 ASP 47 A CYS 48 n 48 CYS 48 A THR 49 n 49 THR 49 A ASN 50 n 50 ASN 50 A VAL 51 n 51 VAL 51 A LYS 52 n 52 LYS 52 A HIS 53 n 53 HIS 53 A ASP 54 n 54 ASP 54 A MET 55 n 55 MET 55 A ALA 56 n 56 ALA 56 A PRO 57 n 57 PRO 57 A THR 58 n 58 THR 58 A CYS 59 n 59 CYS 59 A THR 60 n 60 THR 60 A LYS 61 n 61 LYS 61 A PRO 62 n 62 PRO 62 A PRO 63 n 63 PRO 63 A PRO 64 n 64 PRO 64 A PHE 65 n 65 PHE 65 A CYS 66 n 66 CYS 66 A GLY 67 n 67 GLY 67 A PRO 68 n 68 PRO 68 A GLN 69 n 69 GLN 69 A ASP 70 n 70 ASP 70 A MET 71 n 71 MET 71 A LYS 72 n 72 LYS 72 A MET 73 n 73 MET 73 A PHE 74 n 74 PHE 74 A ASN 75 n 75 ASN 75 A PHE 76 n 76 PHE 76 A VAL 77 n 77 VAL 77 A GLY 78 n 78 GLY 78 A CYS 79 n 79 CYS 79 A SER 80 n 80 SER 80 A VAL 81 n 81 VAL 81 A LEU 82 n 82 LEU 82 A GLY 83 n 83 GLY 83 A ASN 84 n 84 ASN 84 A LYS 85 n 85 LYS 85 A LEU 86 n 86 LEU 86 A PHE 87 n 87 PHE 87 A ILE 88 n 88 ILE 88 A ASP 89 n 89 ASP 89 A GLN 90 n 90 GLN 90 A LYS 91 n 91 LYS 91 A TYR 92 n 92 TYR 92 A VAL 93 n 93 VAL 93 A ARG 94 n 94 ARG 94 A ASP 95 n 95 ASP 95 A LEU 96 n 96 LEU 96 A THR 97 n 97 THR 97 A ALA 98 n 98 ALA 98 A LYS 99 n 99 LYS 99 A ASP 100 n 100 ASP 100 A HIS 101 n 101 HIS 101 A ALA 102 n 102 ALA 102 A GLU 103 n 103 GLU 103 A VAL 104 n 104 VAL 104 A GLN 105 n 105 GLN 105 A THR 106 n 106 THR 106 A PHE 107 n 107 PHE 107 A ARG 108 n 108 ARG 108 A GLU 109 n 109 GLU 109 A LYS 110 n 110 LYS 110 A ILE 111 n 111 ILE 111 A ALA 112 n 112 ALA 112 A ALA 113 n 113 ALA 113 A PHE 114 n 114 PHE 114 A GLU 115 n 115 GLU 115 A GLU 116 n 116 GLU 116 A GLN 117 n 117 GLN 117 A n 118 118 A n 119 119 A n 120 120 A n 121 121 A n 122 122 A n 123 123 A n 124 124 A n 125 125 A n 126 126 A n 127 127 A n 128 128 A n 129 129 A n 130 130 A n 131 131 A n 132 132 A n 133 133 A n 134 134 A n 135 135 A n 136 136 A n 137 137 A SER 138 n 138 SER 138 A PRO 139 n 139 PRO 139 A PRO 140 n 140 PRO 140 A PRO 141 n 141 PRO 141 A PRO 142 n 142 PRO 142 A PRO 143 n 143 PRO 143 A SER 144 n 144 SER 144 A PHE 145 n 145 PHE 145 A CYS 146 n 146 CYS 146 A THR 147 n 147 THR 147 A VAL 148 n 148 VAL 148 A n 149 149 A author_defined_assembly 1 monomeric 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 A O SER 7 A O SER 7 A N MET 73 A N MET 73 A N PHE 76 A N PHE 76 A O CYS 79 A O CYS 79 A N LEU 82 A N LEU 82 A O LYS 85 A O LYS 85 A N ILE 88 A N ILE 88 A O LYS 91 A O LYS 91 A N LYS 16 A N LYS 16 A O GLN 19 A O GLN 19 A N VAL 22 A N VAL 22 A O LEU 25 A O LEU 25 1 A GLN 1 A GLN 1 1 Y 1 A GLN 118 A GLN 118 1 Y 1 A GLU 119 A GLU 119 1 Y 1 A ASN 120 A ASN 120 1 Y 1 A GLN 121 A GLN 121 1 Y 1 A PRO 122 A PRO 122 1 Y 1 A PRO 123 A PRO 123 1 Y 1 A SER 124 A SER 124 1 Y 1 A SER 125 A SER 125 1 Y 1 A GLY 126 A GLY 126 1 Y 1 A MET 127 A MET 127 1 Y 1 A PRO 128 A PRO 128 1 Y 1 A HIS 129 A HIS 129 1 Y 1 A GLY 130 A GLY 130 1 Y 1 A ALA 131 A ALA 131 1 Y 1 A VAL 132 A VAL 132 1 Y 1 A PRO 133 A PRO 133 1 Y 1 A ALA 134 A ALA 134 1 Y 1 A GLY 135 A GLY 135 1 Y 1 A GLY 136 A GLY 136 1 Y 1 A LEU 137 A LEU 137 1 Y 1 A GLN 149 A GLN 149 1 Y 1 A ASN 18 75.37 -9.75 PROTEIN_REP.PARAM PROTEIN_PI3.TOP WATER_REP.PARAM WATER.TOP 24.9 5.76 0.00 0.99 -2.71 0.00 -3.05 0.255 0.007 0.211 1.75 19.58 1362 13394 13394 10.2 99.5 RANDOM 578945.70 0.00 1 RESTRAINED THROUGHOUT 0.0 Engh & Huber FLAT MODEL 64.74 0.431 0.26 0.21 5.00 0.23 0.21 1.75 19.58 136 1131 0 0 995 0.010 1.4 23.9 1.02 1.49 1.50 2.21 2.00 2.38 2.00 3.38 2.50 0.327 0.023 0.291 1.86 200 1985 6 9.2 98.1 22.3 1.75 20.0 1F32 13394 13394 0.0 0.0 0.058 1 20.7 3.0 99.6 0.263 1.75 1.78 644 2.5 97.6 data reduction DENZO data scaling SCALEPACK phasing SOLVE refinement CNS 1.0 MAJOR PEPSIN INHIBITOR PI-3 CRYSTAL STRUCTURE OF ASCARIS PEPSIN INHIBITOR-3 1 N N 2 N N A GLU 31 A GLU 31 HELX_P A ASP 33 A ASP 33 5 1 3 A ASP 34 A ASP 34 HELX_P A VAL 51 A VAL 51 1 2 18 A ALA 56 A ALA 56 HELX_P A LYS 61 A LYS 61 1 3 6 A PRO 63 A PRO 63 HELX_P A GLY 67 A GLY 67 5 4 5 A THR 97 A THR 97 HELX_P A GLN 117 A GLN 117 1 5 21 A PRO 143 A PRO 143 HELX_P A THR 147 A THR 147 5 6 5 disulf 2.030 A CYS 13 A SG CYS 13 1_555 A CYS 66 A SG CYS 66 1_555 disulf 2.031 A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 2.030 A CYS 79 A SG CYS 79 1_555 A CYS 146 A SG CYS 146 1_555 HYDROLASE INHIBITOR proteinase inhibitor, HYDROLASE INHIBITOR A GLY 9 A GLY 9 1 A PRO 10 A PRO 10 0.07 API3_ASCSU UNP 1 21 P19400 QFLFSMSTGPFICTVKDNQVFVANLPWTMLEGDDIQVGKEFAARVEDCTNVKHDMAPTCTKPPPFCGPQDMKMFNFVGCS VLGNKLFIDQKYVRDLTAKDHAEVQTFREKIAAFEEQQENQPPSSGMPHGAVPAGGLSPPPPPSFCTVQ 21 169 1F32 1 149 P19400 A 1 1 149 5 3 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A SER 5 A SER 5 A THR 8 A THR 8 A LYS 72 A LYS 72 A PHE 76 A PHE 76 A CYS 79 A CYS 79 A LEU 82 A LEU 82 A LYS 85 A LYS 85 A ILE 88 A ILE 88 A LYS 91 A LYS 91 A ASP 95 A ASP 95 A CYS 13 A CYS 13 A LYS 16 A LYS 16 A GLN 19 A GLN 19 A VAL 22 A VAL 22 A LEU 25 A LEU 25 A MET 29 A MET 29 4 P 1 21 1