2OBX
Lumazine synthase RibH2 from Mesorhizobium loti (Gene mll7281, Swiss-Prot entry Q986N2) complexed with inhibitor 5-Nitro-6-(D-Ribitylamino)-2,4(1H,3H) Pyrimidinedione
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0009231 | biological_process | riboflavin biosynthetic process |
| A | 0009349 | cellular_component | riboflavin synthase complex |
| A | 0016740 | molecular_function | transferase activity |
| B | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| B | 0005829 | cellular_component | cytosol |
| B | 0009231 | biological_process | riboflavin biosynthetic process |
| B | 0009349 | cellular_component | riboflavin synthase complex |
| B | 0016740 | molecular_function | transferase activity |
| C | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| C | 0005829 | cellular_component | cytosol |
| C | 0009231 | biological_process | riboflavin biosynthetic process |
| C | 0009349 | cellular_component | riboflavin synthase complex |
| C | 0016740 | molecular_function | transferase activity |
| D | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| D | 0005829 | cellular_component | cytosol |
| D | 0009231 | biological_process | riboflavin biosynthetic process |
| D | 0009349 | cellular_component | riboflavin synthase complex |
| D | 0016740 | molecular_function | transferase activity |
| E | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| E | 0005829 | cellular_component | cytosol |
| E | 0009231 | biological_process | riboflavin biosynthetic process |
| E | 0009349 | cellular_component | riboflavin synthase complex |
| E | 0016740 | molecular_function | transferase activity |
| F | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| F | 0005829 | cellular_component | cytosol |
| F | 0009231 | biological_process | riboflavin biosynthetic process |
| F | 0009349 | cellular_component | riboflavin synthase complex |
| F | 0016740 | molecular_function | transferase activity |
| G | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| G | 0005829 | cellular_component | cytosol |
| G | 0009231 | biological_process | riboflavin biosynthetic process |
| G | 0009349 | cellular_component | riboflavin synthase complex |
| G | 0016740 | molecular_function | transferase activity |
| H | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| H | 0005829 | cellular_component | cytosol |
| H | 0009231 | biological_process | riboflavin biosynthetic process |
| H | 0009349 | cellular_component | riboflavin synthase complex |
| H | 0016740 | molecular_function | transferase activity |
| I | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| I | 0005829 | cellular_component | cytosol |
| I | 0009231 | biological_process | riboflavin biosynthetic process |
| I | 0009349 | cellular_component | riboflavin synthase complex |
| I | 0016740 | molecular_function | transferase activity |
| J | 0000906 | molecular_function | 6,7-dimethyl-8-ribityllumazine synthase activity |
| J | 0005829 | cellular_component | cytosol |
| J | 0009231 | biological_process | riboflavin biosynthetic process |
| J | 0009349 | cellular_component | riboflavin synthase complex |
| J | 0016740 | molecular_function | transferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 A 1001 |
| Chain | Residue |
| A | GLY83 |
| A | GLY84 |
| A | ILE85 |
| A | TYR86 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 B 1002 |
| Chain | Residue |
| B | GLY83 |
| B | GLY84 |
| B | ILE85 |
| B | TYR86 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 C 1003 |
| Chain | Residue |
| C | GLY84 |
| C | ILE85 |
| C | TYR86 |
| C | GLY83 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 E 1004 |
| Chain | Residue |
| E | GLY83 |
| E | GLY84 |
| E | ILE85 |
| E | TYR86 |
| site_id | AC5 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE PO4 F 1005 |
| Chain | Residue |
| F | VAL81 |
| F | ASN82 |
| F | GLY83 |
| F | GLY84 |
| F | ILE85 |
| F | TYR86 |
| F | ARG87 |
| F | HIS88 |
| F | INI206 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PO4 G 1006 |
| Chain | Residue |
| G | ASN82 |
| G | GLY83 |
| G | GLY84 |
| G | ILE85 |
| G | TYR86 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 I 1007 |
| Chain | Residue |
| I | ASN82 |
| I | GLY83 |
| I | GLY84 |
| I | ILE85 |
| I | TYR86 |
| I | HOH505 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 J 1008 |
| Chain | Residue |
| J | GLY83 |
| J | GLY84 |
| J | ILE85 |
| J | TYR86 |
| site_id | AC9 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE PO4 J 1009 |
| Chain | Residue |
| J | ARG18 |
| J | ARG18 |
| site_id | BC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE INI A 201 |
| Chain | Residue |
| A | TRP21 |
| A | GLY54 |
| A | ALA55 |
| A | TYR56 |
| A | GLU57 |
| A | PHE79 |
| A | VAL80 |
| A | VAL81 |
| E | LEU111 |
| E | SER112 |
| site_id | BC2 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE INI B 202 |
| Chain | Residue |
| A | LEU111 |
| A | SER112 |
| B | TRP21 |
| B | GLY54 |
| B | ALA55 |
| B | TYR56 |
| B | GLU57 |
| B | PHE79 |
| B | VAL80 |
| B | VAL81 |
| B | HOH321 |
| site_id | BC3 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE INI C 203 |
| Chain | Residue |
| B | LEU111 |
| B | SER112 |
| C | TRP21 |
| C | GLY54 |
| C | ALA55 |
| C | TYR56 |
| C | GLU57 |
| C | PHE79 |
| C | VAL80 |
| C | VAL81 |
| C | HOH331 |
| C | HOH342 |
| C | HOH343 |
| C | HOH473 |
| site_id | BC4 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE INI D 204 |
| Chain | Residue |
| C | LEU111 |
| C | SER112 |
| D | ALA19 |
| D | TRP21 |
| D | GLY54 |
| D | ALA55 |
| D | TYR56 |
| D | GLU57 |
| D | PHE79 |
| D | VAL80 |
| D | VAL81 |
| site_id | BC5 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE INI E 205 |
| Chain | Residue |
| D | LEU111 |
| D | SER112 |
| E | TRP21 |
| E | GLY54 |
| E | ALA55 |
| E | TYR56 |
| E | GLU57 |
| E | PHE79 |
| E | VAL80 |
| E | VAL81 |
| site_id | BC6 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE INI F 206 |
| Chain | Residue |
| F | HIS22 |
| F | GLY54 |
| F | ALA55 |
| F | TYR56 |
| F | GLU57 |
| F | PHE79 |
| F | VAL80 |
| F | VAL81 |
| F | PO41005 |
| J | LEU111 |
| J | SER112 |
| F | TRP21 |
| site_id | BC7 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE INI G 207 |
| Chain | Residue |
| F | LEU111 |
| F | SER112 |
| G | TRP21 |
| G | GLY54 |
| G | ALA55 |
| G | TYR56 |
| G | GLU57 |
| G | PHE79 |
| G | VAL80 |
| G | VAL81 |
| G | HOH403 |
| G | HOH407 |
| site_id | BC8 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE INI H 208 |
| Chain | Residue |
| G | LEU111 |
| G | SER112 |
| H | ALA19 |
| H | TRP21 |
| H | GLY54 |
| H | ALA55 |
| H | TYR56 |
| H | GLU57 |
| H | PHE79 |
| H | VAL80 |
| H | VAL81 |
| site_id | BC9 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE INI I 209 |
| Chain | Residue |
| H | LEU111 |
| H | SER112 |
| I | ALA19 |
| I | TRP21 |
| I | GLY54 |
| I | ALA55 |
| I | TYR56 |
| I | GLU57 |
| I | PHE79 |
| I | VAL80 |
| I | VAL81 |
| I | HOH442 |
| site_id | CC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE INI J 210 |
| Chain | Residue |
| I | LEU111 |
| I | SER112 |
| J | TRP21 |
| J | GLY54 |
| J | ALA55 |
| J | TYR56 |
| J | GLU57 |
| J | PHE79 |
| J | VAL80 |
| J | VAL81 |
| J | HOH458 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 10 |
| Details | Active site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 60 |
| Details | Binding site: {} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 10 |
| Details | Binding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| A | ARG87 |
| site_id | CSA2 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| B | ARG87 |
| site_id | CSA3 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| C | ARG87 |
| site_id | CSA4 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| D | ARG87 |
| site_id | CSA5 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| E | ARG87 |
| site_id | CSA6 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| F | ARG87 |
| site_id | CSA7 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| G | ARG87 |
| site_id | CSA8 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| H | ARG87 |
| site_id | CSA9 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| I | ARG87 |
| site_id | CSA10 |
| Number of Residues | 1 |
| Details | Annotated By Reference To The Literature 1rvv |
| Chain | Residue | Details |
| J | ARG87 |






