1W0C
Inhibition of Leishmania major pteridine reductase (PTR1) by 2,4,6-triaminoquinazoline; structure of the NADP ternary complex.
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0031427 | biological_process | response to methotrexate |
| A | 0047040 | molecular_function | pteridine reductase activity |
| B | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| B | 0005829 | cellular_component | cytosol |
| B | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0031427 | biological_process | response to methotrexate |
| B | 0047040 | molecular_function | pteridine reductase activity |
| C | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| C | 0005829 | cellular_component | cytosol |
| C | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0031427 | biological_process | response to methotrexate |
| C | 0047040 | molecular_function | pteridine reductase activity |
| D | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| D | 0005829 | cellular_component | cytosol |
| D | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0031427 | biological_process | response to methotrexate |
| D | 0047040 | molecular_function | pteridine reductase activity |
| E | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| E | 0005829 | cellular_component | cytosol |
| E | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| E | 0016491 | molecular_function | oxidoreductase activity |
| E | 0031427 | biological_process | response to methotrexate |
| E | 0047040 | molecular_function | pteridine reductase activity |
| F | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| F | 0005829 | cellular_component | cytosol |
| F | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| F | 0016491 | molecular_function | oxidoreductase activity |
| F | 0031427 | biological_process | response to methotrexate |
| F | 0047040 | molecular_function | pteridine reductase activity |
| G | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| G | 0005829 | cellular_component | cytosol |
| G | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| G | 0016491 | molecular_function | oxidoreductase activity |
| G | 0031427 | biological_process | response to methotrexate |
| G | 0047040 | molecular_function | pteridine reductase activity |
| H | 0004155 | molecular_function | 6,7-dihydropteridine reductase activity |
| H | 0005829 | cellular_component | cytosol |
| H | 0006729 | biological_process | tetrahydrobiopterin biosynthetic process |
| H | 0016491 | molecular_function | oxidoreductase activity |
| H | 0031427 | biological_process | response to methotrexate |
| H | 0047040 | molecular_function | pteridine reductase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 28 |
| Details | BINDING SITE FOR RESIDUE NAP A 300 |
| Chain | Residue |
| A | ARG17 |
| A | ASN109 |
| A | ALA110 |
| A | SER111 |
| A | SER112 |
| A | ASP142 |
| A | MET179 |
| A | VAL180 |
| A | ASP181 |
| A | LYS198 |
| A | PRO224 |
| A | LEU18 |
| A | GLY225 |
| A | LEU226 |
| A | SER227 |
| A | TAQ301 |
| A | HOH2154 |
| A | HOH2205 |
| A | HOH2206 |
| A | HOH2207 |
| A | HOH2208 |
| A | HIS36 |
| A | TYR37 |
| A | HIS38 |
| A | ARG39 |
| A | SER40 |
| A | ALA64 |
| A | LEU66 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE TAQ A 301 |
| Chain | Residue |
| A | ARG17 |
| A | SER111 |
| A | PHE113 |
| A | TYR194 |
| A | NAP300 |
| A | HOH2210 |
| A | HOH2211 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE TAQ A 302 |
| Chain | Residue |
| A | GLY79 |
| A | HOH2213 |
| A | HOH2214 |
| site_id | AC4 |
| Number of Residues | 29 |
| Details | BINDING SITE FOR RESIDUE NAP B 300 |
| Chain | Residue |
| B | ARG17 |
| B | LEU18 |
| B | HIS36 |
| B | TYR37 |
| B | HIS38 |
| B | ARG39 |
| B | SER40 |
| B | ALA64 |
| B | ASP65 |
| B | LEU66 |
| B | SER67 |
| B | ASN109 |
| B | ALA110 |
| B | SER111 |
| B | SER112 |
| B | ASP142 |
| B | MET179 |
| B | VAL180 |
| B | LYS198 |
| B | PRO224 |
| B | GLY225 |
| B | LEU226 |
| B | SER227 |
| B | TAQ301 |
| B | HOH2007 |
| B | HOH2015 |
| B | HOH2109 |
| B | HOH2211 |
| B | HOH2213 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE TAQ B 301 |
| Chain | Residue |
| B | ARG17 |
| B | SER111 |
| B | PHE113 |
| B | TYR194 |
| B | NAP300 |
| B | HOH2216 |
| site_id | AC6 |
| Number of Residues | 30 |
| Details | BINDING SITE FOR RESIDUE NAP C 300 |
| Chain | Residue |
| C | HOH2112 |
| C | HOH2113 |
| C | HOH2114 |
| C | HOH2115 |
| C | ARG17 |
| C | LEU18 |
| C | HIS36 |
| C | TYR37 |
| C | HIS38 |
| C | ARG39 |
| C | SER40 |
| C | ALA64 |
| C | ASP65 |
| C | LEU66 |
| C | SER67 |
| C | ASN109 |
| C | ALA110 |
| C | SER111 |
| C | SER112 |
| C | ASP142 |
| C | MET179 |
| C | VAL180 |
| C | ASP181 |
| C | LYS198 |
| C | PRO224 |
| C | GLY225 |
| C | LEU226 |
| C | SER227 |
| C | TAQ301 |
| C | HOH2111 |
| site_id | AC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE TAQ C 301 |
| Chain | Residue |
| C | ARG17 |
| C | SER111 |
| C | PHE113 |
| C | TYR194 |
| C | NAP300 |
| C | HOH2116 |
| C | HOH2117 |
| site_id | AC8 |
| Number of Residues | 26 |
| Details | BINDING SITE FOR RESIDUE NAP D 300 |
| Chain | Residue |
| D | ARG17 |
| D | LEU18 |
| D | TYR37 |
| D | HIS38 |
| D | ARG39 |
| D | SER40 |
| D | ALA64 |
| D | LEU66 |
| D | SER67 |
| D | ASN109 |
| D | ALA110 |
| D | SER111 |
| D | SER112 |
| D | ASP142 |
| D | MET179 |
| D | VAL180 |
| D | ASP181 |
| D | LYS198 |
| D | PRO224 |
| D | GLY225 |
| D | LEU226 |
| D | SER227 |
| D | TAQ301 |
| D | HOH2015 |
| D | HOH2047 |
| D | HOH2094 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE TAQ D 301 |
| Chain | Residue |
| D | ARG17 |
| D | SER111 |
| D | PHE113 |
| D | TYR194 |
| D | NAP300 |
| D | HOH2096 |
| D | HOH2097 |
| site_id | BC1 |
| Number of Residues | 31 |
| Details | BINDING SITE FOR RESIDUE NAP E 300 |
| Chain | Residue |
| E | LYS16 |
| E | ARG17 |
| E | LEU18 |
| E | HIS36 |
| E | TYR37 |
| E | HIS38 |
| E | ARG39 |
| E | SER40 |
| E | ALA64 |
| E | ASP65 |
| E | LEU66 |
| E | SER67 |
| E | ASN109 |
| E | ALA110 |
| E | SER111 |
| E | SER112 |
| E | ASP142 |
| E | MET179 |
| E | VAL180 |
| E | ASP181 |
| E | LYS198 |
| E | PRO224 |
| E | GLY225 |
| E | LEU226 |
| E | SER227 |
| E | TAQ301 |
| E | HOH2003 |
| E | HOH2086 |
| E | HOH2123 |
| E | HOH2124 |
| E | HOH2125 |
| site_id | BC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE TAQ E 301 |
| Chain | Residue |
| E | SER111 |
| E | PHE113 |
| E | ASP181 |
| E | TYR194 |
| E | NAP300 |
| E | HOH2126 |
| E | HOH2127 |
| site_id | BC3 |
| Number of Residues | 28 |
| Details | BINDING SITE FOR RESIDUE NAP F 300 |
| Chain | Residue |
| F | ARG17 |
| F | LEU18 |
| F | HIS36 |
| F | TYR37 |
| F | HIS38 |
| F | ARG39 |
| F | SER40 |
| F | ALA64 |
| F | ASP65 |
| F | LEU66 |
| F | ASN109 |
| F | ALA110 |
| F | SER111 |
| F | SER112 |
| F | ASP142 |
| F | MET179 |
| F | VAL180 |
| F | ASP181 |
| F | LYS198 |
| F | PRO224 |
| F | GLY225 |
| F | LEU226 |
| F | SER227 |
| F | TAQ301 |
| F | HOH2007 |
| F | HOH2041 |
| F | HOH2101 |
| F | HOH2102 |
| site_id | BC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE TAQ F 301 |
| Chain | Residue |
| F | ARG17 |
| F | SER111 |
| F | PHE113 |
| F | TYR194 |
| F | NAP300 |
| F | HOH2041 |
| F | HOH2103 |
| F | HOH2104 |
| site_id | BC5 |
| Number of Residues | 26 |
| Details | BINDING SITE FOR RESIDUE NAP G 300 |
| Chain | Residue |
| G | ARG17 |
| G | LEU18 |
| G | TYR37 |
| G | HIS38 |
| G | ARG39 |
| G | SER40 |
| G | ALA64 |
| G | ASP65 |
| G | LEU66 |
| G | ASN109 |
| G | ALA110 |
| G | SER111 |
| G | SER112 |
| G | ASP142 |
| G | MET179 |
| G | VAL180 |
| G | ASP181 |
| G | LYS198 |
| G | PRO224 |
| G | GLY225 |
| G | LEU226 |
| G | SER227 |
| G | TAQ301 |
| G | HOH2140 |
| G | HOH2141 |
| G | HOH2142 |
| site_id | BC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE TAQ G 301 |
| Chain | Residue |
| G | ARG17 |
| G | SER111 |
| G | PHE113 |
| G | TYR194 |
| G | LEU229 |
| G | NAP300 |
| G | HOH2143 |
| site_id | BC7 |
| Number of Residues | 30 |
| Details | BINDING SITE FOR RESIDUE NAP H 300 |
| Chain | Residue |
| H | ARG17 |
| H | LEU18 |
| H | HIS36 |
| H | TYR37 |
| H | HIS38 |
| H | ARG39 |
| H | SER40 |
| H | ALA64 |
| H | ASP65 |
| H | LEU66 |
| H | ASN109 |
| H | ALA110 |
| H | SER111 |
| H | SER112 |
| H | ASP142 |
| H | MET179 |
| H | VAL180 |
| H | ASP181 |
| H | TYR194 |
| H | LYS198 |
| H | PRO224 |
| H | GLY225 |
| H | LEU226 |
| H | SER227 |
| H | TAQ301 |
| H | HOH2002 |
| H | HOH2011 |
| H | HOH2042 |
| H | HOH2098 |
| H | HOH2099 |
| site_id | BC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE TAQ H 301 |
| Chain | Residue |
| H | SER111 |
| H | PHE113 |
| H | TYR194 |
| H | NAP300 |
| H | HOH2002 |
Functional Information from PROSITE/UniProt
| site_id | PS00061 |
| Number of Residues | 29 |
| Details | ADH_SHORT Short-chain dehydrogenases/reductases family signature. DamtnqpllgYtiYTMAKGALeGLTrSAA |
| Chain | Residue | Details |
| A | ASP181-ALA209 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 8 |
| Details | Active site: {"description":"Proton acceptor"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 184 |
| Details | Binding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 8 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11373620","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| A | LYS198 | |
| A | TYR191 |
| site_id | CSA10 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| B | LYS198 | |
| B | TYR194 |
| site_id | CSA11 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| C | LYS198 | |
| C | TYR194 |
| site_id | CSA12 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| D | LYS198 | |
| D | TYR194 |
| site_id | CSA13 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| E | LYS198 | |
| E | TYR194 |
| site_id | CSA14 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| F | LYS198 | |
| F | TYR194 |
| site_id | CSA15 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| G | LYS198 | |
| G | TYR194 |
| site_id | CSA16 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| H | LYS198 | |
| H | TYR194 |
| site_id | CSA2 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| B | LYS198 | |
| B | TYR191 |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| C | LYS198 | |
| C | TYR191 |
| site_id | CSA4 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| D | LYS198 | |
| D | TYR191 |
| site_id | CSA5 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| E | LYS198 | |
| E | TYR191 |
| site_id | CSA6 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| F | LYS198 | |
| F | TYR191 |
| site_id | CSA7 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| G | LYS198 | |
| G | TYR191 |
| site_id | CSA8 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| H | LYS198 | |
| H | TYR191 |
| site_id | CSA9 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1qsg |
| Chain | Residue | Details |
| A | LYS198 | |
| A | TYR194 |






