Identification |
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Name: | Phosphoheptose isomerase |
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Synonyms: | - Sedoheptulose 7-phosphate isomerase
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Gene Name: | gmhA |
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Enzyme Class: | |
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Biological Properties |
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General Function: | Involved in D-sedoheptulose 7-phosphate isomerase activity |
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Specific Function: | Catalyzes the isomerization of sedoheptulose 7-phosphate in D-glycero-D-manno-heptose 7-phosphate |
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Cellular Location: | Cytoplasm |
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SMPDB Pathways: | - Lipopolysaccharide biosynthesis PW000831
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KEGG Pathways: | |
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KEGG Reactions: | |
1.0Sedoheptulose 7-phosphate | ↔ | 1.0D-glycero-beta-D-manno-Heptose 7-phosphate |
| 1.0Sedoheptulose 7-phosphate ↔ 1.0D-glycero-beta-D-manno-Heptose 7-phosphate ReactionCard | |
1.0Sedoheptulose 7-phosphate | + | 1.0 | ↔ | 1.0 |
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1.0Sedoheptulose 7-phosphate | ↔ | 1.0D-glycero-alpha-D-manno-Heptose 7-phosphate |
| 1.0Sedoheptulose 7-phosphate ↔ 1.0D-glycero-alpha-D-manno-Heptose 7-phosphate ReactionCard |
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EcoCyc Reactions: | |
1.0 | → | 1.0 |
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Metabolites: | ECMDB ID | Name | View |
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ECMDB23038 | D-glycero-beta-D-manno-heptose 7-phosphate | MetaboCard | ECMDB21201 | D-Glycero-D-manno-heptose 7-phosphate | MetaboCard | ECMDB01068 | D-Sedoheptulose 7-phosphate | MetaboCard |
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GO Classification: | Component |
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cell part | cytoplasm | intracellular part | Function |
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binding | carbohydrate binding | catalytic activity | D-sedoheptulose 7-phosphate isomerase activity | intramolecular transferase activity | intramolecular transferase activity, phosphotransferases | isomerase activity | sugar binding | Process |
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carbohydrate metabolic process | lipopolysaccharide core region biosynthetic process | metabolic process | oligosaccharide biosynthetic process | oligosaccharide metabolic process | primary metabolic process |
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Gene Properties |
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Blattner: | b0222 |
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Gene Orientation | Clockwise |
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Centisome Percentage: | 5.25 |
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Left Sequence End | 243543 |
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Right Sequence End | 244121 |
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Gene Sequence: | >579 bp
ATGTACCAGGATCTTATTCGTAACGAACTGAACGAAGCGGCGGAAACGCTGGCTAACTTT
TTAAAAGATGACGCCAATATTCACGCCATTCAGCGCGCGGCGGTCCTGTTAGCAGACAGC
TTTAAAGCCGGTGGCAAAGTGCTTTCCTGCGGCAACGGCGGTTCCCATTGCGACGCTATG
CACTTTGCCGAAGAGTTGACCGGTCGCTACCGTGAAAACCGTCCGGGCTACCCGGCGATT
GCTATTTCTGACGTTAGTCATATTTCCTGCGTCGGTAATGATTTCGGTTTCAATGATATT
TTCTCCCGCTACGTTGAAGCGGTAGGTCGCGAAGGCGATGTACTGCTGGGGATCTCCACC
TCCGGTAACTCTGCAAACGTGATCAAAGCGATCGCAGCGGCGCGTGAGAAGGGAATGAAA
GTGATCACCCTGACCGGTAAAGACGGCGGCAAAATGGCTGGCACGGCGGATATCGAAATT
CGCGTACCGCACTTTGGTTATGCCGACCGCATTCAGGAGATTCACATTAAAGTGATCCAT
ATCCTGATCCAGTTGATTGAAAAAGAGATGGTTAAGTAA |
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Protein Properties |
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Pfam Domain Function: | |
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Protein Residues: | 192 |
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Protein Molecular Weight: | 20815 |
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Protein Theoretical pI: | 6 |
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Signaling Regions: | |
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Transmembrane Regions: | |
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Protein Sequence: | >Phosphoheptose isomerase
MYQDLIRNELNEAAETLANFLKDDANIHAIQRAAVLLADSFKAGGKVLSCGNGGSHCDAM
HFAEELTGRYRENRPGYPAIAISDVSHISCVGNDFGFNDIFSRYVEAVGREGDVLLGIST
SGNSANVIKAIAAAREKGMKVITLTGKDGGKMAGTADIEIRVPHFGYADRIQEIHIKVIH
ILIQLIEKEMVK |
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References |
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External Links: | |
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General Reference: | - Blattner, F. R., Plunkett, G. 3rd, Bloch, C. A., Perna, N. T., Burland, V., Riley, M., Collado-Vides, J., Glasner, J. D., Rode, C. K., Mayhew, G. F., Gregor, J., Davis, N. W., Kirkpatrick, H. A., Goeden, M. A., Rose, D. J., Mau, B., Shao, Y. (1997). "The complete genome sequence of Escherichia coli K-12." Science 277:1453-1462. Pubmed: 9278503
- Brooke, J. S., Valvano, M. A. (1996). "Biosynthesis of inner core lipopolysaccharide in enteric bacteria identification and characterization of a conserved phosphoheptose isomerase." J Biol Chem 271:3608-3614. Pubmed: 8631969
- Hayashi, K., Morooka, N., Yamamoto, Y., Fujita, K., Isono, K., Choi, S., Ohtsubo, E., Baba, T., Wanner, B. L., Mori, H., Horiuchi, T. (2006). "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Mol Syst Biol 2:2006.0007. Pubmed: 16738553
- Kneidinger, B., Marolda, C., Graninger, M., Zamyatina, A., McArthur, F., Kosma, P., Valvano, M. A., Messner, P. (2002). "Biosynthesis pathway of ADP-L-glycero-beta-D-manno-heptose in Escherichia coli." J Bacteriol 184:363-369. Pubmed: 11751812
- Raetz, C. R., Whitfield, C. (2002). "Lipopolysaccharide endotoxins." Annu Rev Biochem 71:635-700. Pubmed: 12045108
- Valvano, M. A., Messner, P., Kosma, P. (2002). "Novel pathways for biosynthesis of nucleotide-activated glycero-manno-heptose precursors of bacterial glycoproteins and cell surface polysaccharides." Microbiology 148:1979-1989. Pubmed: 12101286
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