1FXS
GDP-FUCOSE SYNTHETASE FROM ESCHERICHIA COLI COMPLEX WITH NADP
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0009226 | biological_process | nucleotide-sugar biosynthetic process |
| A | 0009242 | biological_process | colanic acid biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016853 | molecular_function | isomerase activity |
| A | 0042351 | biological_process | 'de novo' GDP-L-fucose biosynthetic process |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0050577 | molecular_function | GDP-L-fucose synthase activity |
| A | 0070401 | molecular_function | NADP+ binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 29 |
| Details | BINDING SITE FOR RESIDUE NAP A 350 |
| Chain | Residue |
| A | ARG12 |
| A | ALA62 |
| A | ALA63 |
| A | ALA64 |
| A | VAL66 |
| A | ILE86 |
| A | LEU105 |
| A | GLY106 |
| A | SER107 |
| A | SER108 |
| A | TYR136 |
| A | GLY13 |
| A | LYS140 |
| A | PRO163 |
| A | THR164 |
| A | ASN165 |
| A | LEU166 |
| A | HOH385 |
| A | HOH423 |
| A | HOH428 |
| A | HOH429 |
| A | HOH430 |
| A | MET14 |
| A | VAL15 |
| A | ARG36 |
| A | LEU39 |
| A | ASN40 |
| A | LEU41 |
| A | LEU42 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor/acceptor => ECO:0000255|HAMAP-Rule:MF_00956, ECO:0000269|PubMed:11021971 |
| Chain | Residue | Details |
| A | TYR136 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 6 |
| Details | BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00956, ECO:0000269|PubMed:11021971, ECO:0000269|PubMed:9817848, ECO:0000269|PubMed:9862812 |
| Chain | Residue | Details |
| A | GLY10 | |
| A | ARG36 | |
| A | LEU105 | |
| A | LYS140 | |
| A | PRO163 | |
| A | HIS179 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000305 |
| Chain | Residue | Details |
| A | ARG187 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 3 |
| Details | BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00956 |
| Chain | Residue | Details |
| A | TRP202 | |
| A | ARG209 | |
| A | ASP278 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 2 |
| Details | SITE: Important for catalytic activity |
| Chain | Residue | Details |
| A | SER107 | |
| A | CYS109 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | SITE: Lowers pKa of active site Tyr |
| Chain | Residue | Details |
| A | LYS140 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1eq2 |
| Chain | Residue | Details |
| A | CYS109 | |
| A | HIS179 | |
| A | TYR136 | |
| A | LYS140 |
| site_id | CSA2 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1eq2 |
| Chain | Residue | Details |
| A | TYR136 | |
| A | SER107 | |
| A | LYS140 |
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 227 |
| Chain | Residue | Details |
| A | SER107 | electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase acidity, increase basicity, proton acceptor, proton donor |
| A | SER108 | electrostatic stabiliser, hydrogen bond donor |
| A | CYS109 | electrostatic stabiliser, hydrogen bond donor, proton acceptor |
| A | TYR136 | electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay |
| A | LYS140 | electrostatic stabiliser, hydrogen bond donor, increase acidity, increase basicity |
| A | HIS179 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
