0.018896 0.000000 0.000000 0.000000 0.013374 0.000000 0.000000 0.000000 0.007302 0.00000 0.00000 0.00000 Rydberg, E.H. Li, C. Maurus, R. Overall, C.M. Brayer, G.D. Withers, S.G. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 52.92 74.77 136.94 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 Ca 2 40.078 CALCIUM ION non-polymer Cl -1 35.453 CHLORIDE ION non-polymer 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 C5 H7 N O3 129.114 n PYROGLUTAMIC ACID 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 Biochemistry BICHAW 0033 0006-2960 41 4492 4502 10.1021/bi011821z 11914097 Mechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed kinetic and structural studies of mutants of three conserved carboxylic acids. 2002 10.2210/pdb1kbb/pdb pdb_00001kbb 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 298 1 mirrors IMAGE PLATE 1999-10-02 RIGAKU RAXIS IIC mirrors SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU300 55873.270 ALPHA-AMYLASE, PANCREATIC 3.2.1.1 E233A 1 man polymer 40.078 CALCIUM ION 1 syn non-polymer 35.453 CHLORIDE ION 1 syn non-polymer 18.015 water 120 nat water 1,4-ALPHA-D-GLUCAN GLUCANOHYDROLASE, PANCREATIC ALPHA-AMYLASE no yes (PCA)YSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNE DEFRNMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQ VRDCRLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQAVID LGGEPIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFW DARLYKMAVGFMLAHPYGFTRVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVI FRNVVDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAH FSISNSAEDPFIAIHAESKL QYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNEDEFR NMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDC RLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQAVIDLGGE PIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFWDARL YKMAVGFMLAHPYGFTRVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNV VDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAHFSIS NSAEDPFIAIHAESKL 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n human Homo Pichia sample 9606 Homo sapiens 4922 Pichia pastoris 1 2.42 49.25 VAPOR DIFFUSION, HANGING DROP 7.5 MPD, cacodylate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 entity_poly pdbx_struct_mod_residue struct_conn struct_ref_seq_dif database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Database references Derived calculations Polymer sequence Database references Derived calculations 1 0 2002-04-10 1 1 2008-04-27 1 2 2011-07-13 2 0 2019-12-25 2 1 2021-10-27 _entity_poly.pdbx_seq_one_letter_code_can _pdbx_struct_mod_residue.parent_comp_id _struct_conn.pdbx_leaving_atom_flag _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2001-11-05 REL REL CA CALCIUM ION CL CHLORIDE ION HOH water CA 497 2 CA CA 497 A CL 498 3 CL CL 498 A HOH 499 4 HOH HOH 499 A HOH 500 4 HOH HOH 500 A HOH 501 4 HOH HOH 501 A HOH 502 4 HOH HOH 502 A HOH 503 4 HOH HOH 503 A HOH 504 4 HOH HOH 504 A HOH 505 4 HOH HOH 505 A HOH 506 4 HOH HOH 506 A HOH 507 4 HOH HOH 507 A HOH 508 4 HOH HOH 508 A HOH 509 4 HOH HOH 509 A HOH 510 4 HOH HOH 510 A HOH 511 4 HOH HOH 511 A HOH 512 4 HOH HOH 512 A HOH 513 4 HOH HOH 513 A HOH 514 4 HOH HOH 514 A HOH 515 4 HOH HOH 515 A HOH 516 4 HOH HOH 516 A HOH 517 4 HOH HOH 517 A HOH 518 4 HOH HOH 518 A HOH 519 4 HOH HOH 519 A HOH 520 4 HOH HOH 520 A HOH 521 4 HOH HOH 521 A HOH 522 4 HOH HOH 522 A HOH 523 4 HOH HOH 523 A HOH 524 4 HOH HOH 524 A HOH 525 4 HOH HOH 525 A HOH 526 4 HOH HOH 526 A HOH 527 4 HOH HOH 527 A HOH 528 4 HOH HOH 528 A HOH 529 4 HOH HOH 529 A HOH 530 4 HOH HOH 530 A HOH 531 4 HOH HOH 531 A HOH 532 4 HOH HOH 532 A HOH 533 4 HOH HOH 533 A HOH 534 4 HOH HOH 534 A HOH 535 4 HOH HOH 535 A HOH 536 4 HOH HOH 536 A HOH 537 4 HOH HOH 537 A HOH 538 4 HOH HOH 538 A HOH 539 4 HOH HOH 539 A HOH 540 4 HOH HOH 540 A HOH 541 4 HOH HOH 541 A HOH 542 4 HOH HOH 542 A HOH 543 4 HOH HOH 543 A HOH 544 4 HOH HOH 544 A HOH 545 4 HOH HOH 545 A HOH 546 4 HOH HOH 546 A HOH 547 4 HOH HOH 547 A HOH 548 4 HOH HOH 548 A HOH 549 4 HOH HOH 549 A HOH 550 4 HOH HOH 550 A HOH 551 4 HOH HOH 551 A HOH 552 4 HOH HOH 552 A HOH 553 4 HOH HOH 553 A HOH 554 4 HOH HOH 554 A HOH 555 4 HOH HOH 555 A HOH 556 4 HOH HOH 556 A HOH 557 4 HOH HOH 557 A HOH 558 4 HOH HOH 558 A HOH 559 4 HOH HOH 559 A HOH 561 4 HOH HOH 561 A HOH 562 4 HOH HOH 562 A HOH 564 4 HOH HOH 564 A HOH 567 4 HOH HOH 567 A HOH 568 4 HOH HOH 568 A HOH 569 4 HOH HOH 569 A HOH 570 4 HOH HOH 570 A HOH 571 4 HOH HOH 571 A HOH 572 4 HOH HOH 572 A HOH 573 4 HOH HOH 573 A HOH 574 4 HOH HOH 574 A HOH 575 4 HOH HOH 575 A HOH 576 4 HOH HOH 576 A HOH 580 4 HOH HOH 580 A HOH 583 4 HOH HOH 583 A HOH 585 4 HOH HOH 585 A HOH 588 4 HOH HOH 588 A HOH 590 4 HOH HOH 590 A HOH 595 4 HOH HOH 595 A HOH 598 4 HOH HOH 598 A HOH 599 4 HOH HOH 599 A HOH 601 4 HOH HOH 601 A HOH 602 4 HOH HOH 602 A HOH 603 4 HOH HOH 603 A HOH 606 4 HOH HOH 606 A HOH 610 4 HOH HOH 610 A HOH 611 4 HOH HOH 611 A HOH 612 4 HOH HOH 612 A HOH 613 4 HOH HOH 613 A HOH 616 4 HOH HOH 616 A HOH 619 4 HOH HOH 619 A HOH 622 4 HOH HOH 622 A HOH 624 4 HOH HOH 624 A HOH 628 4 HOH HOH 628 A HOH 629 4 HOH HOH 629 A HOH 630 4 HOH HOH 630 A HOH 632 4 HOH HOH 632 A HOH 633 4 HOH HOH 633 A HOH 634 4 HOH HOH 634 A HOH 639 4 HOH HOH 639 A HOH 642 4 HOH HOH 642 A HOH 647 4 HOH HOH 647 A HOH 651 4 HOH HOH 651 A HOH 656 4 HOH HOH 656 A HOH 657 4 HOH HOH 657 A HOH 672 4 HOH HOH 672 A HOH 673 4 HOH HOH 673 A HOH 693 4 HOH HOH 693 A HOH 732 4 HOH HOH 732 A HOH 741 4 HOH HOH 741 A HOH 774 4 HOH HOH 774 A HOH 785 4 HOH HOH 785 A HOH 790 4 HOH HOH 790 A HOH 806 4 HOH HOH 806 A HOH 839 4 HOH HOH 839 A HOH 843 4 HOH HOH 843 A HOH 844 4 HOH HOH 844 A HOH 846 4 HOH HOH 846 A HOH 849 4 HOH HOH 849 A PCA 1 n 1 PCA 1 A TYR 2 n 2 TYR 2 A SER 3 n 3 SER 3 A PRO 4 n 4 PRO 4 A ASN 5 n 5 ASN 5 A THR 6 n 6 THR 6 A GLN 7 n 7 GLN 7 A GLN 8 n 8 GLN 8 A GLY 9 n 9 GLY 9 A ARG 10 n 10 ARG 10 A THR 11 n 11 THR 11 A SER 12 n 12 SER 12 A ILE 13 n 13 ILE 13 A VAL 14 n 14 VAL 14 A HIS 15 n 15 HIS 15 A LEU 16 n 16 LEU 16 A PHE 17 n 17 PHE 17 A GLU 18 n 18 GLU 18 A TRP 19 n 19 TRP 19 A ARG 20 n 20 ARG 20 A TRP 21 n 21 TRP 21 A VAL 22 n 22 VAL 22 A ASP 23 n 23 ASP 23 A ILE 24 n 24 ILE 24 A ALA 25 n 25 ALA 25 A LEU 26 n 26 LEU 26 A GLU 27 n 27 GLU 27 A CYS 28 n 28 CYS 28 A GLU 29 n 29 GLU 29 A ARG 30 n 30 ARG 30 A TYR 31 n 31 TYR 31 A LEU 32 n 32 LEU 32 A ALA 33 n 33 ALA 33 A PRO 34 n 34 PRO 34 A LYS 35 n 35 LYS 35 A GLY 36 n 36 GLY 36 A PHE 37 n 37 PHE 37 A GLY 38 n 38 GLY 38 A GLY 39 n 39 GLY 39 A VAL 40 n 40 VAL 40 A GLN 41 n 41 GLN 41 A VAL 42 n 42 VAL 42 A SER 43 n 43 SER 43 A PRO 44 n 44 PRO 44 A PRO 45 n 45 PRO 45 A ASN 46 n 46 ASN 46 A GLU 47 n 47 GLU 47 A ASN 48 n 48 ASN 48 A VAL 49 n 49 VAL 49 A ALA 50 n 50 ALA 50 A ILE 51 n 51 ILE 51 A TYR 52 n 52 TYR 52 A ASN 53 n 53 ASN 53 A PRO 54 n 54 PRO 54 A PHE 55 n 55 PHE 55 A ARG 56 n 56 ARG 56 A PRO 57 n 57 PRO 57 A TRP 58 n 58 TRP 58 A TRP 59 n 59 TRP 59 A GLU 60 n 60 GLU 60 A ARG 61 n 61 ARG 61 A TYR 62 n 62 TYR 62 A GLN 63 n 63 GLN 63 A PRO 64 n 64 PRO 64 A VAL 65 n 65 VAL 65 A SER 66 n 66 SER 66 A TYR 67 n 67 TYR 67 A LYS 68 n 68 LYS 68 A LEU 69 n 69 LEU 69 A CYS 70 n 70 CYS 70 A THR 71 n 71 THR 71 A ARG 72 n 72 ARG 72 A SER 73 n 73 SER 73 A GLY 74 n 74 GLY 74 A ASN 75 n 75 ASN 75 A GLU 76 n 76 GLU 76 A ASP 77 n 77 ASP 77 A GLU 78 n 78 GLU 78 A PHE 79 n 79 PHE 79 A ARG 80 n 80 ARG 80 A ASN 81 n 81 ASN 81 A MET 82 n 82 MET 82 A VAL 83 n 83 VAL 83 A THR 84 n 84 THR 84 A ARG 85 n 85 ARG 85 A CYS 86 n 86 CYS 86 A ASN 87 n 87 ASN 87 A ASN 88 n 88 ASN 88 A VAL 89 n 89 VAL 89 A GLY 90 n 90 GLY 90 A VAL 91 n 91 VAL 91 A ARG 92 n 92 ARG 92 A ILE 93 n 93 ILE 93 A TYR 94 n 94 TYR 94 A VAL 95 n 95 VAL 95 A ASP 96 n 96 ASP 96 A ALA 97 n 97 ALA 97 A VAL 98 n 98 VAL 98 A ILE 99 n 99 ILE 99 A ASN 100 n 100 ASN 100 A HIS 101 n 101 HIS 101 A MET 102 n 102 MET 102 A CYS 103 n 103 CYS 103 A GLY 104 n 104 GLY 104 A ASN 105 n 105 ASN 105 A ALA 106 n 106 ALA 106 A VAL 107 n 107 VAL 107 A SER 108 n 108 SER 108 A ALA 109 n 109 ALA 109 A GLY 110 n 110 GLY 110 A THR 111 n 111 THR 111 A SER 112 n 112 SER 112 A SER 113 n 113 SER 113 A THR 114 n 114 THR 114 A CYS 115 n 115 CYS 115 A GLY 116 n 116 GLY 116 A SER 117 n 117 SER 117 A TYR 118 n 118 TYR 118 A PHE 119 n 119 PHE 119 A ASN 120 n 120 ASN 120 A PRO 121 n 121 PRO 121 A GLY 122 n 122 GLY 122 A SER 123 n 123 SER 123 A ARG 124 n 124 ARG 124 A ASP 125 n 125 ASP 125 A PHE 126 n 126 PHE 126 A PRO 127 n 127 PRO 127 A ALA 128 n 128 ALA 128 A VAL 129 n 129 VAL 129 A PRO 130 n 130 PRO 130 A TYR 131 n 131 TYR 131 A SER 132 n 132 SER 132 A GLY 133 n 133 GLY 133 A TRP 134 n 134 TRP 134 A ASP 135 n 135 ASP 135 A PHE 136 n 136 PHE 136 A ASN 137 n 137 ASN 137 A ASP 138 n 138 ASP 138 A GLY 139 n 139 GLY 139 A LYS 140 n 140 LYS 140 A CYS 141 n 141 CYS 141 A LYS 142 n 142 LYS 142 A THR 143 n 143 THR 143 A GLY 144 n 144 GLY 144 A SER 145 n 145 SER 145 A GLY 146 n 146 GLY 146 A ASP 147 n 147 ASP 147 A ILE 148 n 148 ILE 148 A GLU 149 n 149 GLU 149 A ASN 150 n 150 ASN 150 A TYR 151 n 151 TYR 151 A ASN 152 n 152 ASN 152 A ASP 153 n 153 ASP 153 A ALA 154 n 154 ALA 154 A THR 155 n 155 THR 155 A GLN 156 n 156 GLN 156 A VAL 157 n 157 VAL 157 A ARG 158 n 158 ARG 158 A ASP 159 n 159 ASP 159 A CYS 160 n 160 CYS 160 A ARG 161 n 161 ARG 161 A LEU 162 n 162 LEU 162 A THR 163 n 163 THR 163 A GLY 164 n 164 GLY 164 A LEU 165 n 165 LEU 165 A LEU 166 n 166 LEU 166 A ASP 167 n 167 ASP 167 A LEU 168 n 168 LEU 168 A ALA 169 n 169 ALA 169 A LEU 170 n 170 LEU 170 A GLU 171 n 171 GLU 171 A LYS 172 n 172 LYS 172 A ASP 173 n 173 ASP 173 A TYR 174 n 174 TYR 174 A VAL 175 n 175 VAL 175 A ARG 176 n 176 ARG 176 A SER 177 n 177 SER 177 A LYS 178 n 178 LYS 178 A ILE 179 n 179 ILE 179 A ALA 180 n 180 ALA 180 A GLU 181 n 181 GLU 181 A TYR 182 n 182 TYR 182 A MET 183 n 183 MET 183 A ASN 184 n 184 ASN 184 A HIS 185 n 185 HIS 185 A LEU 186 n 186 LEU 186 A ILE 187 n 187 ILE 187 A ASP 188 n 188 ASP 188 A ILE 189 n 189 ILE 189 A GLY 190 n 190 GLY 190 A VAL 191 n 191 VAL 191 A ALA 192 n 192 ALA 192 A GLY 193 n 193 GLY 193 A PHE 194 n 194 PHE 194 A ARG 195 n 195 ARG 195 A LEU 196 n 196 LEU 196 A ASP 197 n 197 ASP 197 A ALA 198 n 198 ALA 198 A SER 199 n 199 SER 199 A LYS 200 n 200 LYS 200 A HIS 201 n 201 HIS 201 A MET 202 n 202 MET 202 A TRP 203 n 203 TRP 203 A PRO 204 n 204 PRO 204 A GLY 205 n 205 GLY 205 A ASP 206 n 206 ASP 206 A ILE 207 n 207 ILE 207 A LYS 208 n 208 LYS 208 A ALA 209 n 209 ALA 209 A ILE 210 n 210 ILE 210 A LEU 211 n 211 LEU 211 A ASP 212 n 212 ASP 212 A LYS 213 n 213 LYS 213 A LEU 214 n 214 LEU 214 A HIS 215 n 215 HIS 215 A ASN 216 n 216 ASN 216 A LEU 217 n 217 LEU 217 A ASN 218 n 218 ASN 218 A SER 219 n 219 SER 219 A ASN 220 n 220 ASN 220 A TRP 221 n 221 TRP 221 A PHE 222 n 222 PHE 222 A PRO 223 n 223 PRO 223 A ALA 224 n 224 ALA 224 A GLY 225 n 225 GLY 225 A SER 226 n 226 SER 226 A LYS 227 n 227 LYS 227 A PRO 228 n 228 PRO 228 A PHE 229 n 229 PHE 229 A ILE 230 n 230 ILE 230 A TYR 231 n 231 TYR 231 A GLN 232 n 232 GLN 232 A ALA 233 n 233 ALA 233 A VAL 234 n 234 VAL 234 A ILE 235 n 235 ILE 235 A ASP 236 n 236 ASP 236 A LEU 237 n 237 LEU 237 A GLY 238 n 238 GLY 238 A GLY 239 n 239 GLY 239 A GLU 240 n 240 GLU 240 A PRO 241 n 241 PRO 241 A ILE 242 n 242 ILE 242 A LYS 243 n 243 LYS 243 A SER 244 n 244 SER 244 A SER 245 n 245 SER 245 A ASP 246 n 246 ASP 246 A TYR 247 n 247 TYR 247 A PHE 248 n 248 PHE 248 A GLY 249 n 249 GLY 249 A ASN 250 n 250 ASN 250 A GLY 251 n 251 GLY 251 A ARG 252 n 252 ARG 252 A VAL 253 n 253 VAL 253 A THR 254 n 254 THR 254 A GLU 255 n 255 GLU 255 A PHE 256 n 256 PHE 256 A LYS 257 n 257 LYS 257 A TYR 258 n 258 TYR 258 A GLY 259 n 259 GLY 259 A ALA 260 n 260 ALA 260 A LYS 261 n 261 LYS 261 A LEU 262 n 262 LEU 262 A GLY 263 n 263 GLY 263 A THR 264 n 264 THR 264 A VAL 265 n 265 VAL 265 A ILE 266 n 266 ILE 266 A ARG 267 n 267 ARG 267 A LYS 268 n 268 LYS 268 A TRP 269 n 269 TRP 269 A ASN 270 n 270 ASN 270 A GLY 271 n 271 GLY 271 A GLU 272 n 272 GLU 272 A LYS 273 n 273 LYS 273 A MET 274 n 274 MET 274 A SER 275 n 275 SER 275 A TYR 276 n 276 TYR 276 A LEU 277 n 277 LEU 277 A LYS 278 n 278 LYS 278 A ASN 279 n 279 ASN 279 A TRP 280 n 280 TRP 280 A GLY 281 n 281 GLY 281 A GLU 282 n 282 GLU 282 A GLY 283 n 283 GLY 283 A TRP 284 n 284 TRP 284 A GLY 285 n 285 GLY 285 A PHE 286 n 286 PHE 286 A VAL 287 n 287 VAL 287 A PRO 288 n 288 PRO 288 A SER 289 n 289 SER 289 A ASP 290 n 290 ASP 290 A ARG 291 n 291 ARG 291 A ALA 292 n 292 ALA 292 A LEU 293 n 293 LEU 293 A VAL 294 n 294 VAL 294 A PHE 295 n 295 PHE 295 A VAL 296 n 296 VAL 296 A ASP 297 n 297 ASP 297 A ASN 298 n 298 ASN 298 A HIS 299 n 299 HIS 299 A ASP 300 n 300 ASP 300 A ASN 301 n 301 ASN 301 A GLN 302 n 302 GLN 302 A ARG 303 n 303 ARG 303 A GLY 304 n 304 GLY 304 A HIS 305 n 305 HIS 305 A GLY 306 n 306 GLY 306 A ALA 307 n 307 ALA 307 A GLY 308 n 308 GLY 308 A GLY 309 n 309 GLY 309 A ALA 310 n 310 ALA 310 A SER 311 n 311 SER 311 A ILE 312 n 312 ILE 312 A LEU 313 n 313 LEU 313 A THR 314 n 314 THR 314 A PHE 315 n 315 PHE 315 A TRP 316 n 316 TRP 316 A ASP 317 n 317 ASP 317 A ALA 318 n 318 ALA 318 A ARG 319 n 319 ARG 319 A LEU 320 n 320 LEU 320 A TYR 321 n 321 TYR 321 A LYS 322 n 322 LYS 322 A MET 323 n 323 MET 323 A ALA 324 n 324 ALA 324 A VAL 325 n 325 VAL 325 A GLY 326 n 326 GLY 326 A PHE 327 n 327 PHE 327 A MET 328 n 328 MET 328 A LEU 329 n 329 LEU 329 A ALA 330 n 330 ALA 330 A HIS 331 n 331 HIS 331 A PRO 332 n 332 PRO 332 A TYR 333 n 333 TYR 333 A GLY 334 n 334 GLY 334 A PHE 335 n 335 PHE 335 A THR 336 n 336 THR 336 A ARG 337 n 337 ARG 337 A VAL 338 n 338 VAL 338 A MET 339 n 339 MET 339 A SER 340 n 340 SER 340 A SER 341 n 341 SER 341 A TYR 342 n 342 TYR 342 A ARG 343 n 343 ARG 343 A TRP 344 n 344 TRP 344 A PRO 345 n 345 PRO 345 A ARG 346 n 346 ARG 346 A GLN 347 n 347 GLN 347 A PHE 348 n 348 PHE 348 A GLN 349 n 349 GLN 349 A ASN 350 n 350 ASN 350 A GLY 351 n 351 GLY 351 A ASN 352 n 352 ASN 352 A ASP 353 n 353 ASP 353 A VAL 354 n 354 VAL 354 A ASN 355 n 355 ASN 355 A ASP 356 n 356 ASP 356 A TRP 357 n 357 TRP 357 A VAL 358 n 358 VAL 358 A GLY 359 n 359 GLY 359 A PRO 360 n 360 PRO 360 A PRO 361 n 361 PRO 361 A ASN 362 n 362 ASN 362 A ASN 363 n 363 ASN 363 A ASN 364 n 364 ASN 364 A GLY 365 n 365 GLY 365 A VAL 366 n 366 VAL 366 A ILE 367 n 367 ILE 367 A LYS 368 n 368 LYS 368 A GLU 369 n 369 GLU 369 A VAL 370 n 370 VAL 370 A THR 371 n 371 THR 371 A ILE 372 n 372 ILE 372 A ASN 373 n 373 ASN 373 A PRO 374 n 374 PRO 374 A ASP 375 n 375 ASP 375 A THR 376 n 376 THR 376 A THR 377 n 377 THR 377 A CYS 378 n 378 CYS 378 A GLY 379 n 379 GLY 379 A ASN 380 n 380 ASN 380 A ASP 381 n 381 ASP 381 A TRP 382 n 382 TRP 382 A VAL 383 n 383 VAL 383 A CYS 384 n 384 CYS 384 A GLU 385 n 385 GLU 385 A HIS 386 n 386 HIS 386 A ARG 387 n 387 ARG 387 A TRP 388 n 388 TRP 388 A ARG 389 n 389 ARG 389 A GLN 390 n 390 GLN 390 A ILE 391 n 391 ILE 391 A ARG 392 n 392 ARG 392 A ASN 393 n 393 ASN 393 A MET 394 n 394 MET 394 A VAL 395 n 395 VAL 395 A ILE 396 n 396 ILE 396 A PHE 397 n 397 PHE 397 A ARG 398 n 398 ARG 398 A ASN 399 n 399 ASN 399 A VAL 400 n 400 VAL 400 A VAL 401 n 401 VAL 401 A ASP 402 n 402 ASP 402 A GLY 403 n 403 GLY 403 A GLN 404 n 404 GLN 404 A PRO 405 n 405 PRO 405 A PHE 406 n 406 PHE 406 A THR 407 n 407 THR 407 A ASN 408 n 408 ASN 408 A TRP 409 n 409 TRP 409 A TYR 410 n 410 TYR 410 A ASP 411 n 411 ASP 411 A ASN 412 n 412 ASN 412 A GLY 413 n 413 GLY 413 A SER 414 n 414 SER 414 A ASN 415 n 415 ASN 415 A GLN 416 n 416 GLN 416 A VAL 417 n 417 VAL 417 A ALA 418 n 418 ALA 418 A PHE 419 n 419 PHE 419 A GLY 420 n 420 GLY 420 A ARG 421 n 421 ARG 421 A GLY 422 n 422 GLY 422 A ASN 423 n 423 ASN 423 A ARG 424 n 424 ARG 424 A GLY 425 n 425 GLY 425 A PHE 426 n 426 PHE 426 A ILE 427 n 427 ILE 427 A VAL 428 n 428 VAL 428 A PHE 429 n 429 PHE 429 A ASN 430 n 430 ASN 430 A ASN 431 n 431 ASN 431 A ASP 432 n 432 ASP 432 A ASP 433 n 433 ASP 433 A TRP 434 n 434 TRP 434 A SER 435 n 435 SER 435 A PHE 436 n 436 PHE 436 A SER 437 n 437 SER 437 A LEU 438 n 438 LEU 438 A THR 439 n 439 THR 439 A LEU 440 n 440 LEU 440 A GLN 441 n 441 GLN 441 A THR 442 n 442 THR 442 A GLY 443 n 443 GLY 443 A LEU 444 n 444 LEU 444 A PRO 445 n 445 PRO 445 A ALA 446 n 446 ALA 446 A GLY 447 n 447 GLY 447 A THR 448 n 448 THR 448 A TYR 449 n 449 TYR 449 A CYS 450 n 450 CYS 450 A ASP 451 n 451 ASP 451 A VAL 452 n 452 VAL 452 A ILE 453 n 453 ILE 453 A SER 454 n 454 SER 454 A GLY 455 n 455 GLY 455 A ASP 456 n 456 ASP 456 A LYS 457 n 457 LYS 457 A ILE 458 n 458 ILE 458 A ASN 459 n 459 ASN 459 A GLY 460 n 460 GLY 460 A ASN 461 n 461 ASN 461 A CYS 462 n 462 CYS 462 A THR 463 n 463 THR 463 A GLY 464 n 464 GLY 464 A ILE 465 n 465 ILE 465 A LYS 466 n 466 LYS 466 A ILE 467 n 467 ILE 467 A TYR 468 n 468 TYR 468 A VAL 469 n 469 VAL 469 A SER 470 n 470 SER 470 A ASP 471 n 471 ASP 471 A ASP 472 n 472 ASP 472 A GLY 473 n 473 GLY 473 A LYS 474 n 474 LYS 474 A ALA 475 n 475 ALA 475 A HIS 476 n 476 HIS 476 A PHE 477 n 477 PHE 477 A SER 478 n 478 SER 478 A ILE 479 n 479 ILE 479 A SER 480 n 480 SER 480 A ASN 481 n 481 ASN 481 A SER 482 n 482 SER 482 A ALA 483 n 483 ALA 483 A GLU 484 n 484 GLU 484 A ASP 485 n 485 ASP 485 A PRO 486 n 486 PRO 486 A PHE 487 n 487 PHE 487 A ILE 488 n 488 ILE 488 A ALA 489 n 489 ALA 489 A ILE 490 n 490 ILE 490 A HIS 491 n 491 HIS 491 A ALA 492 n 492 ALA 492 A GLU 493 n 493 GLU 493 A SER 494 n 494 SER 494 A LYS 495 n 495 LYS 495 A LEU 496 n 496 LEU 496 A author_defined_assembly 1 monomeric A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A ARG 158 A O ARG 158 1_555 159.3 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A ASP 167 A OD1 ASP 167 1_555 82.6 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A ASP 167 A OD1 ASP 167 1_555 114.8 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A ASP 167 A OD2 ASP 167 1_555 127.1 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A ASP 167 A OD2 ASP 167 1_555 73.6 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 A ASP 167 A OD2 ASP 167 1_555 51.7 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A HIS 201 A O HIS 201 1_555 78.7 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A HIS 201 A O HIS 201 1_555 80.6 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 A HIS 201 A O HIS 201 1_555 141.2 A ASP 167 A OD2 ASP 167 1_555 A CA 497 B CA CA 1_555 A HIS 201 A O HIS 201 1_555 153.6 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 101.4 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 75.0 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 134.0 A ASP 167 A OD2 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 95.0 A HIS 201 A O HIS 201 1_555 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 83.3 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 102.8 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 73.4 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 74.0 A ASP 167 A OD2 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 90.0 A HIS 201 A O HIS 201 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 77.3 A HOH 806 D O HOH 1_555 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 145.1 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 68.5 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 124.4 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 76.7 A ASP 167 A OD2 ASP 167 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 75.4 A HIS 201 A O HIS 201 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 125.5 A HOH 806 D O HOH 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 63.1 A HOH 839 D O HOH 1_555 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 150.4 A PCA 1 PYROGLUTAMIC ACID A PCA 1 GLN 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 N VAL 14 A N VAL 14 A O GLY 39 A O GLY 39 A N VAL 40 A N VAL 40 A O ARG 92 A O ARG 92 A N VAL 95 A N VAL 95 A O GLY 193 A O GLY 193 A N PHE 194 A N PHE 194 A O PHE 229 A O PHE 229 A N GLN 232 A N GLN 232 A O ARG 252 A O ARG 252 A O VAL 253 A O VAL 253 A N LEU 293 A N LEU 293 A N VAL 294 A N VAL 294 A O PHE 335 A O PHE 335 A N VAL 338 A N VAL 338 A O ILE 13 A O ILE 13 A O CYS 103 A O CYS 103 A N LEU 166 A N LEU 166 A N GLN 349 A N GLN 349 A O ASN 352 A O ASN 352 A N ASN 363 A N ASN 363 A O VAL 366 A O VAL 366 A N TYR 410 A N TYR 410 A O ALA 418 A O ALA 418 A N ARG 421 A N ARG 421 A O GLY 425 A O GLY 425 A N VAL 428 A N VAL 428 A O ILE 488 A O ILE 488 A N LEU 440 A N LEU 440 A O ALA 475 A O ALA 475 1 A A O N ALA GLY 307 308 1.57 1 A PCA 1 22.19 1 A ALA 307 10.15 1 A A PCA TYR 1 2 -142.27 1 A A ALA GLY 307 308 92.30 1 A A C N ALA GLY 307 308 0.96 1 -11.44 1.60 122.70 111.26 A A A O C N PCA PCA TYR 1 1 2 Y 1 31.65 2.00 116.20 147.85 A A A CA C N ALA ALA GLY 307 307 308 Y 1 -32.33 1.70 123.20 90.87 A A A O C N ALA ALA GLY 307 307 308 Y 1 43.01 2.10 122.30 165.31 A A A C N CA ALA GLY GLY 307 308 308 Y 1 A A C N ALA GLY 307 308 -0.374 0.023 1.336 0.962 Y 1 A TYR 31 -138.03 -58.09 1 A MET 102 -114.13 -143.50 1 A ASP 317 -111.61 54.07 1 A PRO 345 -69.12 80.22 1 A THR 376 73.49 -0.39 1 A SER 414 -124.56 -110.33 1 A ASN 459 47.35 72.32 1 A PRO 486 -72.76 33.67 0.1943 0.1721 1.9 10 43315 40110 1 0 MOLECULAR REPLACEMENT Engh & Huber 1.9 10 120 4064 2 0 3942 0.006 1.324 1.90 10 1KBB 43967 40335 3 3 0.058 1 19.6 92.5 0.24 1.90 1.97 4.3 3492 3.1 80.9 data reduction DENZO data scaling SCALEPACK refinement CNS phasing CNS Mechanistic Analyses of Catalysis in Human Pancreatic alpha-Amylase: Detailed Kinetic and Structural Studies of Mutants of Three Conserved Carboxylic Acids 1 N N 2 N N 3 N N 4 N N A ARG 20 A ARG 20 HELX_P A TYR 31 A TYR 31 1 1 12 A PRO 57 A PRO 57 HELX_P A GLN 63 A GLN 63 5 2 7 A ASN 75 A ASN 75 HELX_P A VAL 89 A VAL 89 1 3 15 A SER 132 A SER 132 HELX_P A PHE 136 A PHE 136 5 4 5 A ASP 153 A ASP 153 HELX_P A CYS 160 A CYS 160 1 5 8 A LYS 172 A LYS 172 HELX_P A GLY 190 A GLY 190 1 6 19 A ALA 198 A ALA 198 HELX_P A MET 202 A MET 202 5 7 5 A TRP 203 A TRP 203 HELX_P A ASP 212 A ASP 212 1 8 10 A LYS 243 A LYS 243 HELX_P A PHE 248 A PHE 248 5 9 6 A PHE 256 A PHE 256 HELX_P A ARG 267 A ARG 267 1 10 12 A LYS 273 A LYS 273 HELX_P A TRP 280 A TRP 280 5 11 8 A GLY 281 A GLY 281 HELX_P A GLY 285 A GLY 285 5 12 5 A PRO 288 A PRO 288 HELX_P A ASP 290 A ASP 290 5 13 3 A ASP 300 A ASP 300 HELX_P A GLY 304 A GLY 304 5 14 5 A GLY 308 A GLY 308 HELX_P A ILE 312 A ILE 312 5 15 5 A THR 314 A THR 314 HELX_P A TRP 316 A TRP 316 5 16 3 A ASP 317 A ASP 317 HELX_P A HIS 331 A HIS 331 1 17 15 A CYS 384 A CYS 384 HELX_P A ARG 387 A ARG 387 5 18 4 A TRP 388 A TRP 388 HELX_P A ASP 402 A ASP 402 1 19 15 A GLU 493 A GLU 493 HELX_P A LYS 495 A LYS 495 5 20 3 disulf 2.035 A CYS 28 A SG CYS 28 1_555 A CYS 86 A SG CYS 86 1_555 disulf 2.031 A CYS 70 A SG CYS 70 1_555 A CYS 115 A SG CYS 115 1_555 disulf 2.032 A CYS 141 A SG CYS 141 1_555 A CYS 160 A SG CYS 160 1_555 disulf 2.030 A CYS 378 A SG CYS 378 1_555 A CYS 384 A SG CYS 384 1_555 disulf 2.023 A CYS 450 A SG CYS 450 1_555 A CYS 462 A SG CYS 462 1_555 covale 1.345 both A PCA 1 A C PCA 1 1_555 A TYR 2 A N TYR 2 1_555 metalc 2.434 A ASN 100 A OD1 ASN 100 1_555 A CA 497 B CA CA 1_555 metalc 2.417 A ARG 158 A O ARG 158 1_555 A CA 497 B CA CA 1_555 metalc 2.475 A ASP 167 A OD1 ASP 167 1_555 A CA 497 B CA CA 1_555 metalc 2.565 A ASP 167 A OD2 ASP 167 1_555 A CA 497 B CA CA 1_555 metalc 2.489 A HIS 201 A O HIS 201 1_555 A CA 497 B CA CA 1_555 metalc 2.435 A CA 497 B CA CA 1_555 A HOH 806 D O HOH 1_555 metalc 2.378 A CA 497 B CA CA 1_555 A HOH 839 D O HOH 1_555 metalc 2.526 A CA 497 B CA CA 1_555 A HOH 843 D O HOH 1_555 HYDROLASE Amylase, Glycosylation, Mutagenesis, Diabetes, Hydrolase, Glycosidase, Carbohydrate metabolism, Catalysis, Pancreatic, enzyme, Human A ASN 53 A ASN 53 1 A PRO 54 A PRO 54 -0.02 A VAL 129 A VAL 129 1 A PRO 130 A PRO 130 -0.29 AMYP_HUMAN UNP 1 16 P04746 QYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNEDEFR NMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDC RLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVIDLGGE PIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFWDARL YKMAVGFMLAHPYGFTRVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNV VDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAHFSIS NSAEDPFIAIHAESKL 16 511 1KBB 1 496 P04746 A 1 1 496 1 GLU engineered mutation ALA 233 1KBB A P04746 UNP 248 233 9 2 2 2 4 2 parallel parallel parallel parallel parallel parallel parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A SER 12 A SER 12 A LEU 16 A LEU 16 A GLY 39 A GLY 39 A VAL 42 A VAL 42 A ARG 92 A ARG 92 A ALA 97 A ALA 97 A GLY 193 A GLY 193 A LEU 196 A LEU 196 A PHE 229 A PHE 229 A GLN 232 A GLN 232 A ARG 252 A ARG 252 A THR 254 A THR 254 A ALA 292 A ALA 292 A VAL 294 A VAL 294 A PHE 335 A PHE 335 A SER 340 A SER 340 A SER 12 A SER 12 A LEU 16 A LEU 16 A HIS 101 A HIS 101 A GLY 104 A GLY 104 A LEU 165 A LEU 165 A ASP 167 A ASP 167 A PHE 348 A PHE 348 A GLN 349 A GLN 349 A ASN 352 A ASN 352 A ASP 353 A ASP 353 A ASN 362 A ASN 362 A ASN 363 A ASN 363 A VAL 366 A VAL 366 A ILE 367 A ILE 367 A PHE 406 A PHE 406 A ASP 411 A ASP 411 A GLN 416 A GLN 416 A ARG 421 A ARG 421 A GLY 425 A GLY 425 A ASN 430 A ASN 430 A PHE 487 A PHE 487 A HIS 491 A HIS 491 A PHE 436 A PHE 436 A GLN 441 A GLN 441 A LYS 474 A LYS 474 A ILE 479 A ILE 479 BINDING SITE FOR RESIDUE CA A 497 A CA 497 Software 7 BINDING SITE FOR RESIDUE CL A 498 A CL 498 Software 3 A ASN 100 A ASN 100 7 1_555 A ARG 158 A ARG 158 7 1_555 A ASP 167 A ASP 167 7 1_555 A HIS 201 A HIS 201 7 1_555 A HOH 806 D HOH 7 1_555 A HOH 839 D HOH 7 1_555 A HOH 843 D HOH 7 1_555 A ARG 195 A ARG 195 3 1_555 A ASN 298 A ASN 298 3 1_555 A ARG 337 A ARG 337 3 1_555 19 P 21 21 21