4XN4
Crystal Structure of Met260Ala mutant of E. coli Aminopeptidase N in complex with L-Methionine
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 | MET902 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | binding site for residue MET A 902 |
| Chain | Residue |
| A | HIS297 |
| A | GLU298 |
| A | HIS301 |
| A | LYS319 |
| A | GLU320 |
| A | TYR376 |
| A | TYR381 |
| A | ZN901 |
| A | HOH1280 |
| A | GLU121 |
| A | ALA260 |
| A | ALA262 |
| A | MET263 |
| A | GLU264 |
| site_id | AC3 |
| Number of Residues | 12 |
| Details | binding site for residue MET A 903 |
| Chain | Residue |
| A | GLN164 |
| A | ASP452 |
| A | ASP453 |
| A | TYR454 |
| A | TYR461 |
| A | GLN527 |
| A | PRO528 |
| A | NA912 |
| A | MLI919 |
| A | HOH1023 |
| A | HOH1036 |
| A | HOH1113 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue MET A 904 |
| Chain | Residue |
| A | ARG728 |
| A | ASP729 |
| A | GLN753 |
| A | HOH1381 |
| A | HOH1434 |
| A | HOH1576 |
| A | HOH1781 |
| site_id | AC5 |
| Number of Residues | 12 |
| Details | binding site for residue MET A 905 |
| Chain | Residue |
| A | ASP281 |
| A | PHE704 |
| A | HIS705 |
| A | ALA707 |
| A | ALA713 |
| A | GLU734 |
| A | LYS738 |
| A | TRP739 |
| A | HOH1071 |
| A | HOH1784 |
| A | HOH1906 |
| A | HOH2141 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 906 |
| Chain | Residue |
| A | HIS771 |
| A | PHE774 |
| A | HOH1168 |
| A | HOH1641 |
| A | HOH1961 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 907 |
| Chain | Residue |
| A | ASN343 |
| A | ARG346 |
| A | GLU615 |
| A | HOH1385 |
| A | HOH1973 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | binding site for residue NA A 908 |
| Chain | Residue |
| A | SER332 |
| A | ASP333 |
| A | GLY335 |
| A | HOH1665 |
| A | HOH1812 |
| A | HOH1949 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | binding site for residue NA A 909 |
| Chain | Residue |
| A | TYR544 |
| A | HOH1459 |
| A | HOH1522 |
| A | HOH1946 |
| A | HOH2032 |
| A | HOH2124 |
| site_id | AD1 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 910 |
| Chain | Residue |
| A | HOH1620 |
| A | HOH2043 |
| A | HOH2151 |
| A | HOH2155 |
| A | HOH2224 |
| site_id | AD2 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 911 |
| Chain | Residue |
| A | GLN19 |
| A | ILE20 |
| A | LEU138 |
| A | HOH1794 |
| A | HOH2049 |
| site_id | AD3 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 912 |
| Chain | Residue |
| A | ASP453 |
| A | TYR454 |
| A | MET903 |
| A | HOH1036 |
| A | HOH2027 |
| site_id | AD4 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 913 |
| Chain | Residue |
| A | ASP24 |
| A | LEU25 |
| A | THR26 |
| A | THR37 |
| A | HOH2078 |
| site_id | AD5 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 914 |
| Chain | Residue |
| A | SER441 |
| A | GLN442 |
| A | GLN475 |
| A | GLU477 |
| A | LYS478 |
| A | GLN479 |
| A | HOH1056 |
| A | HOH1492 |
| site_id | AD6 |
| Number of Residues | 3 |
| Details | binding site for residue GOL A 915 |
| Chain | Residue |
| A | GLN587 |
| A | LEU589 |
| A | HOH1535 |
| site_id | AD7 |
| Number of Residues | 4 |
| Details | binding site for residue GOL A 916 |
| Chain | Residue |
| A | TYR376 |
| A | TYR381 |
| A | GLU382 |
| A | HOH1121 |
| site_id | AD8 |
| Number of Residues | 9 |
| Details | binding site for residue MLI A 917 |
| Chain | Residue |
| A | ARG641 |
| A | GLU642 |
| A | THR645 |
| A | ARG686 |
| A | ALA722 |
| A | HOH1112 |
| A | HOH1246 |
| A | HOH1290 |
| A | HOH1664 |
| site_id | AD9 |
| Number of Residues | 5 |
| Details | binding site for residue MLI A 918 |
| Chain | Residue |
| A | LEU61 |
| A | VAL62 |
| A | SER63 |
| A | ARG669 |
| A | GLU671 |
| site_id | AE1 |
| Number of Residues | 10 |
| Details | binding site for residue MLI A 919 |
| Chain | Residue |
| A | ASP452 |
| A | TYR544 |
| A | LYS545 |
| A | GLN550 |
| A | MET903 |
| A | HOH1005 |
| A | HOH1023 |
| A | HOH1169 |
| A | HOH1463 |
| A | HOH1637 |
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 |
