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- Name help_outline D-maltose Identifier CHEBI:17306 (CAS: 69-79-4) help_outline Charge 0 Formula C12H22O11 InChIKeyhelp_outline GUBGYTABKSRVRQ-PICCSMPSSA-N SMILEShelp_outline OC[C@H]1O[C@H](O[C@@H]2[C@@H](CO)OC(O)[C@H](O)[C@H]2O)[C@H](O)[C@@H](O)[C@@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 18 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ATP Identifier CHEBI:30616 (Beilstein: 3581767) help_outline Charge -4 Formula C10H12N5O13P3 InChIKeyhelp_outline ZKHQWZAMYRWXGA-KQYNXXCUSA-J SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,301 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,337 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ADP Identifier CHEBI:456216 (Beilstein: 3783669) help_outline Charge -3 Formula C10H12N5O10P2 InChIKeyhelp_outline XTWYTFMLZFPYCI-KQYNXXCUSA-K SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 854 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline phosphate Identifier CHEBI:43474 Charge -2 Formula HO4P InChIKeyhelp_outline NBIIXXVUZAFLBC-UHFFFAOYSA-L SMILEShelp_outline OP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 1,020 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,717 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:22132 | RHEA:22133 | RHEA:22134 | RHEA:22135 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Membrane topology of MalG, an inner membrane protein from the maltose transport system of Escherichia coli.
Dassa E., Muir S.
In Escherichia coli, the binding protein-dependent transport system for maltose and maltodextrins is composed of five proteins--LamB, MalE, MalF, MalG and MalK--located in the three layers of the bacterial envelope. Proteins MalF and MalG are hydrophobic inner membrane components mediating the ene ... >> More
In Escherichia coli, the binding protein-dependent transport system for maltose and maltodextrins is composed of five proteins--LamB, MalE, MalF, MalG and MalK--located in the three layers of the bacterial envelope. Proteins MalF and MalG are hydrophobic inner membrane components mediating the energy-dependent translocation of substrates into the cytoplasm. In this paper, we analyse the topology of the MalG protein by using methods based on the properties of fusions between malG and 'phoA, a truncated gene encoding alkaline phosphatase lacking its translation initiation and exportation signals. Fusions were obtained by using either phage lambda TnphoA or by constructing in vitro fusions located randomly within the malG gene. The deduced topological model suggests that MalG spans the membrane six times and has its amino- and carboxy-termini in the cytoplasm. These results will be helpful for the interpretation of the phenotypes of mutants in malG. << Less