4XND
Crystal Structure of E. coli Aminopeptidase N in complex with L-Beta Homotryptophan
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004177 | molecular_function | aminopeptidase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006508 | biological_process | proteolysis |
| A | 0008233 | molecular_function | peptidase activity |
| A | 0008237 | molecular_function | metallopeptidase activity |
| A | 0008270 | molecular_function | zinc ion binding |
| A | 0016285 | molecular_function | alanyl aminopeptidase activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue ZN A 901 |
| Chain | Residue |
| A | HIS297 |
| A | HIS301 |
| A | GLU320 |
| A | HT7902 |
| site_id | AC2 |
| Number of Residues | 16 |
| Details | binding site for residue HT7 A 902 |
| Chain | Residue |
| A | GLU264 |
| A | HIS297 |
| A | GLU298 |
| A | HIS301 |
| A | LYS319 |
| A | GLU320 |
| A | ASN373 |
| A | TYR381 |
| A | ZN901 |
| A | MLI941 |
| A | HOH1501 |
| A | GLN119 |
| A | GLU121 |
| A | MET260 |
| A | ALA262 |
| A | MET263 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 903 |
| Chain | Residue |
| A | GLN19 |
| A | ILE20 |
| A | LEU138 |
| A | HOH1549 |
| A | HOH1753 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 904 |
| Chain | Residue |
| A | ASP452 |
| A | GOL932 |
| A | MLI946 |
| A | HOH1001 |
| A | HOH1664 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue NA A 905 |
| Chain | Residue |
| A | ASN399 |
| A | SER429 |
| A | HOH1419 |
| A | HOH1552 |
| A | HOH1665 |
| A | HOH1694 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue NA A 906 |
| Chain | Residue |
| A | ASN344 |
| A | GLU382 |
| A | HOH1079 |
| A | HOH1161 |
| A | HOH1339 |
| A | HOH1344 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | binding site for residue NA A 907 |
| Chain | Residue |
| A | SER332 |
| A | ASP333 |
| A | GLY335 |
| A | MLI936 |
| A | HOH1177 |
| A | HOH1648 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 908 |
| Chain | Residue |
| A | GLY350 |
| A | ASN623 |
| A | HOH1028 |
| A | HOH1223 |
| A | HOH1645 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 909 |
| Chain | Residue |
| A | ASN67 |
| A | THR91 |
| A | HOH1710 |
| A | HOH1724 |
| A | HOH1745 |
| site_id | AD1 |
| Number of Residues | 7 |
| Details | binding site for residue NA A 910 |
| Chain | Residue |
| A | LEU551 |
| A | SER570 |
| A | THR574 |
| A | GOL921 |
| A | HOH1328 |
| A | HOH1390 |
| A | HOH1469 |
| site_id | AD2 |
| Number of Residues | 7 |
| Details | binding site for residue GOL A 911 |
| Chain | Residue |
| A | ALA531 |
| A | LEU532 |
| A | TRP546 |
| A | SER563 |
| A | ASP566 |
| A | ALA567 |
| A | SER570 |
| site_id | AD3 |
| Number of Residues | 9 |
| Details | binding site for residue GOL A 912 |
| Chain | Residue |
| A | LYS8 |
| A | GLU123 |
| A | ASP312 |
| A | TRP313 |
| A | PHE314 |
| A | HOH1057 |
| A | HOH1334 |
| A | HOH1395 |
| A | HOH1568 |
| site_id | AD4 |
| Number of Residues | 6 |
| Details | binding site for residue GOL A 913 |
| Chain | Residue |
| A | THR72 |
| A | TRP74 |
| A | VAL670 |
| A | GLU671 |
| A | GOL915 |
| A | HOH1502 |
| site_id | AD5 |
| Number of Residues | 9 |
| Details | binding site for residue GOL A 914 |
| Chain | Residue |
| A | GLU69 |
| A | PRO70 |
| A | TRP71 |
| A | THR72 |
| A | ASP221 |
| A | PRO224 |
| A | ALA278 |
| A | TYR288 |
| A | HOH1077 |
| site_id | AD6 |
| Number of Residues | 10 |
| Details | binding site for residue GOL A 915 |
| Chain | Residue |
| A | TRP74 |
| A | ARG669 |
| A | VAL670 |
| A | GLU671 |
| A | GOL913 |
| A | MLI934 |
| A | HOH1347 |
| A | SER63 |
| A | VAL64 |
| A | TRP71 |
| site_id | AD7 |
| Number of Residues | 5 |
| Details | binding site for residue GOL A 916 |
| Chain | Residue |
| A | ASN623 |
| A | GLY791 |
| A | MLI933 |
| A | HOH1198 |
| A | HOH1243 |
| site_id | AD8 |
| Number of Residues | 5 |
| Details | binding site for residue GOL A 917 |
| Chain | Residue |
| A | GLU292 |
| A | VAL670 |
| A | HIS672 |
| A | HOH1014 |
| A | HOH1502 |
| site_id | AD9 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 918 |
| Chain | Residue |
| A | ARG681 |
| A | GLN703 |
| A | ALA707 |
| A | ASN708 |
| A | ASN709 |
| A | ASP712 |
| A | HOH1069 |
| A | HOH1521 |
| site_id | AE1 |
| Number of Residues | 6 |
| Details | binding site for residue GOL A 919 |
| Chain | Residue |
| A | THR755 |
| A | PRO757 |
| A | SER792 |
| A | ASN793 |
| A | HOH1119 |
| A | HOH1433 |
| site_id | AE2 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 920 |
| Chain | Residue |
| A | MET260 |
| A | GLY261 |
| A | LYS274 |
| A | TYR275 |
| A | ARG783 |
| A | ARG825 |
| A | MLI941 |
| A | MLI942 |
| site_id | AE3 |
| Number of Residues | 11 |
| Details | binding site for residue GOL A 921 |
| Chain | Residue |
| A | ARG207 |
| A | GLU208 |
| A | ASP248 |
| A | LYS545 |
| A | TRP546 |
| A | THR574 |
| A | NA910 |
| A | HOH1007 |
| A | HOH1091 |
| A | HOH1390 |
| A | HOH1469 |
| site_id | AE4 |
| Number of Residues | 5 |
| Details | binding site for residue GOL A 922 |
| Chain | Residue |
| A | VAL162 |
| A | GLN177 |
| A | GLN549 |
| A | HOH1009 |
| A | HOH1035 |
| site_id | AE5 |
| Number of Residues | 3 |
| Details | binding site for residue GOL A 923 |
| Chain | Residue |
| A | LYS144 |
| A | GLN175 |
| A | ASN492 |
| site_id | AE6 |
| Number of Residues | 7 |
| Details | binding site for residue GOL A 924 |
| Chain | Residue |
| A | SER441 |
| A | GLN442 |
| A | GLU477 |
| A | GLN479 |
| A | HOH1181 |
| A | HOH1181 |
| A | HOH1374 |
| site_id | AE7 |
| Number of Residues | 5 |
| Details | binding site for residue GOL A 925 |
| Chain | Residue |
| A | ASN232 |
| A | TRP236 |
| A | GLU239 |
| A | HOH1014 |
| A | HOH1059 |
| site_id | AE8 |
| Number of Residues | 11 |
| Details | binding site for residue GOL A 926 |
| Chain | Residue |
| A | GLU244 |
| A | TYR245 |
| A | ASP246 |
| A | TRP303 |
| A | ARG307 |
| A | LEU578 |
| A | SER590 |
| A | LEU591 |
| A | PRO592 |
| A | HOH1179 |
| A | HOH1300 |
| site_id | AE9 |
| Number of Residues | 10 |
| Details | binding site for residue GOL A 927 |
| Chain | Residue |
| A | LEU617 |
| A | THR618 |
| A | LEU619 |
| A | ARG641 |
| A | THR645 |
| A | ALA683 |
| A | ARG686 |
| A | PHE687 |
| A | MLI939 |
| A | HOH1173 |
| site_id | AF1 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 928 |
| Chain | Residue |
| A | LEU289 |
| A | ASN343 |
| A | GLU615 |
| A | ILE675 |
| A | THR679 |
| A | HOH1027 |
| A | HOH1155 |
| A | HOH1584 |
| site_id | AF2 |
| Number of Residues | 7 |
| Details | binding site for residue GOL A 929 |
| Chain | Residue |
| A | PRO16 |
| A | ASP17 |
| A | TYR18 |
| A | ARG53 |
| A | ARG134 |
| A | HOH1056 |
| A | HOH1093 |
| site_id | AF3 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 930 |
| Chain | Residue |
| A | ASN160 |
| A | ASP246 |
| A | LEU247 |
| A | ASP248 |
| A | SER547 |
| A | ASP548 |
| A | GLN549 |
| A | HOH1091 |
| site_id | AF4 |
| Number of Residues | 5 |
| Details | binding site for residue GOL A 931 |
| Chain | Residue |
| A | ASP68 |
| A | GLU69 |
| A | THR280 |
| A | ASP281 |
| A | ASN708 |
| site_id | AF5 |
| Number of Residues | 10 |
| Details | binding site for residue GOL A 932 |
| Chain | Residue |
| A | ASP452 |
| A | TYR461 |
| A | GLN527 |
| A | PRO528 |
| A | TYR544 |
| A | GLN550 |
| A | NA904 |
| A | MLI946 |
| A | HOH1064 |
| A | HOH1688 |
| site_id | AF6 |
| Number of Residues | 9 |
| Details | binding site for residue MLI A 933 |
| Chain | Residue |
| A | ALA354 |
| A | ILE632 |
| A | ARG832 |
| A | ARG835 |
| A | TYR836 |
| A | GOL916 |
| A | HOH1028 |
| A | HOH1120 |
| A | HOH1261 |
| site_id | AF7 |
| Number of Residues | 7 |
| Details | binding site for residue MLI A 934 |
| Chain | Residue |
| A | LEU61 |
| A | VAL62 |
| A | TRP74 |
| A | ARG669 |
| A | GLU671 |
| A | GOL915 |
| A | HOH1392 |
| site_id | AF8 |
| Number of Residues | 3 |
| Details | binding site for residue MLI A 935 |
| Chain | Residue |
| A | ASP28 |
| A | LYS33 |
| A | ARG171 |
| site_id | AF9 |
| Number of Residues | 8 |
| Details | binding site for residue MLI A 936 |
| Chain | Residue |
| A | GLY335 |
| A | SER336 |
| A | ARG337 |
| A | ALA338 |
| A | NA907 |
| A | HOH1177 |
| A | HOH1463 |
| A | HOH1581 |
| site_id | AG1 |
| Number of Residues | 10 |
| Details | binding site for residue MLI A 937 |
| Chain | Residue |
| A | HIS11 |
| A | ARG14 |
| A | GLN467 |
| A | ARG468 |
| A | THR469 |
| A | LYS478 |
| A | GLN479 |
| A | PRO480 |
| A | HOH1244 |
| A | HOH1336 |
| site_id | AG2 |
| Number of Residues | 7 |
| Details | binding site for residue MLI A 938 |
| Chain | Residue |
| A | ASN579 |
| A | HIS583 |
| A | GLN587 |
| A | LEU589 |
| A | GLU639 |
| A | VAL640 |
| A | ALA643 |
| site_id | AG3 |
| Number of Residues | 8 |
| Details | binding site for residue MLI A 939 |
| Chain | Residue |
| A | ARG641 |
| A | GLU642 |
| A | THR645 |
| A | ARG686 |
| A | ALA722 |
| A | GOL927 |
| A | HOH1023 |
| A | HOH1119 |
| site_id | AG4 |
| Number of Residues | 7 |
| Details | binding site for residue MLI A 940 |
| Chain | Residue |
| A | GLN111 |
| A | GLY113 |
| A | PHE257 |
| A | SER777 |
| A | HOH1126 |
| A | HOH1144 |
| A | HOH1276 |
| site_id | AG5 |
| Number of Residues | 9 |
| Details | binding site for residue MLI A 941 |
| Chain | Residue |
| A | GLY261 |
| A | ARG293 |
| A | GLU298 |
| A | TYR381 |
| A | HT7902 |
| A | GOL920 |
| A | MLI942 |
| A | HOH1065 |
| A | HOH1225 |
| site_id | AG6 |
| Number of Residues | 10 |
| Details | binding site for residue MLI A 942 |
| Chain | Residue |
| A | TYR376 |
| A | THR377 |
| A | LEU378 |
| A | TYR381 |
| A | GLU382 |
| A | ARG825 |
| A | GOL920 |
| A | MLI941 |
| A | HOH1214 |
| A | HOH1373 |
| site_id | AG7 |
| Number of Residues | 5 |
| Details | binding site for residue MLI A 943 |
| Chain | Residue |
| A | GLY396 |
| A | GLU397 |
| A | GLU398 |
| A | HOH1002 |
| A | HOH1048 |
| site_id | AG8 |
| Number of Residues | 6 |
| Details | binding site for residue MLI A 944 |
| Chain | Residue |
| A | MET555 |
| A | ARG556 |
| A | ARG564 |
| A | VAL602 |
| A | ASP605 |
| A | HOH1411 |
| site_id | AG9 |
| Number of Residues | 9 |
| Details | binding site for residue MLI A 945 |
| Chain | Residue |
| A | GLU239 |
| A | ARG240 |
| A | PHE241 |
| A | GLN401 |
| A | GLN405 |
| A | GLN585 |
| A | GLN587 |
| A | HOH1005 |
| A | HOH1491 |
| site_id | AH1 |
| Number of Residues | 9 |
| Details | binding site for residue MLI A 946 |
| Chain | Residue |
| A | ASP452 |
| A | TYR544 |
| A | LYS545 |
| A | GLN550 |
| A | NA904 |
| A | GOL932 |
| A | HOH1001 |
| A | HOH1017 |
| A | HOH1415 |
Functional Information from PROSITE/UniProt
| site_id | PS00142 |
| Number of Residues | 10 |
| Details | ZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. VIGHEYFHNW |
| Chain | Residue | Details |
| A | VAL294-TRP303 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | Active site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"16885166","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"18416562","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"19622865","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | Binding site: {} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | Site: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
