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Record Information |
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| Version |
1.0 |
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| Update Date |
1/22/2018 11:54:54 AM |
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Metabolite ID | PAMDB001658 |
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Identification |
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| Name: |
N-Acetyl-D-glucosamine(anhydrous)N-Acetylmuramyl-tripeptide |
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| Description: | N-acetyl-D-glucosamine(anhydrous)N-acetylmuramyl-tripeptide is an intermediate in peptidoglycan synthesis and turnover. Peptidoglycan can be described as a fisherman's net that encloses bacteria. The mesh of the net is made of two segments of parallel, somewhat inextensible glycan threads, held together by two small elastic peptide crosslinks allowing the net to expand or shrink. The glycan moiety of the peptidoglycan is very uniform among all bacteria, and is made up of alternating β-1,4-linked N-acetylglucosamine and N-acetyl muramate residues, with an average chain lengthof 10 to 65 disaccharide units (depending on the organism). The peptidoglycan synthesis pathway starts in the cytoplasm, where in six steps the peptidoglycan precursor a UDP-N-acetylmuramoyl-pentapeptide is synthesized. This precursor is then attached to the memberane acceptor all-trans-undecaprenyl phosphate, generating a N-acetylmuramoyl-pentapeptide-diphosphoundecaprenol, also known as lipid I. Another transferase then adds UDP-N-acetyl-α-D-glucosamine, yielding the complete monomeric unit a lipid II, also known as lipid II. This final lipid intermediate is transferred by an as yet unknown mechanism through the membrane. The peptidoglycan monomers are then polymerized on the outside surface by glycosyltransferases, which form the linear glycan chains, and transpeptidases, which catalyze the formation of peptide crosslinks. Peptide crosslinks form between different parts of the peptides depending on the organism. For example, in Mycobacteria and in Pseudomonas aeruginosa most links form between the carboxyl group of the penultimate D-alanine (residue 4) of one peptide to the amino group at the D-center of meso-diaminopimelate (residue 3) of an adjacent peptide of a second glycan chain (as in Pseudomonas aeruginosa). The crosslinking reaction is catalyzed by transpeptidases and involves the cleavage of the D-alanyl-D-alanine bond of the donor peptide, providing the energy to drive the reaction. As a result, the peptides in the peptidoglycan polymers are one or two amino acids shorter than the peptides in the monomers. |
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Structure |
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| Synonyms: | Not Available |
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Chemical Formula: |
C34H54N6O19 |
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| Average Molecular Weight: |
850.8214 |
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| Monoisotopic Molecular
Weight: |
850.344373576 |
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| InChI Key: |
ZWZMFRJKRXDGBE-UHFFFAOYSA-N |
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| InChI: | InChI=1S/C34H54N6O19/c1-13(29(49)39-18(8-9-23(45)46)31(51)40-19(33(54)55)7-5-6-17(35)32(52)53)36-30(50)14(2)57-27-20(37-15(3)43)12-56-22(11-42)28(27)59-34-24(38-16(4)44)26(48)25(47)21(10-41)58-34/h12-14,17-19,21-22,24-28,34,41-42,47-48H,5-11,35H2,1-4H3,(H,36,50)(H,37,43)(H,38,44)(H,39,49)(H,40,51)(H,45,46)(H,52,53)(H,54,55) |
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| CAS
number: |
Not Available |
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| IUPAC Name: | 2-amino-6-{[4-carboxy-2-({2-[(2-{[3-({4,5-dihydroxy-3-[(1-hydroxyethylidene)amino]-6-(hydroxymethyl)oxan-2-yl}oxy)-5-[(1-hydroxyethylidene)amino]-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-4-yl]oxy}-1-hydroxypropylidene)amino]-1-hydroxypropylidene}amino)-1-hydroxybutylidene]amino}heptanedioic acid |
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Traditional IUPAC Name: |
2-amino-6-{[4-carboxy-2-({2-[(2-{[3-({4,5-dihydroxy-3-[(1-hydroxyethylidene)amino]-6-(hydroxymethyl)oxan-2-yl}oxy)-5-[(1-hydroxyethylidene)amino]-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-4-yl]oxy}-1-hydroxypropylidene)amino]-1-hydroxypropylidene}amino)-1-hydroxybutylidene]amino}heptanedioic acid |
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| SMILES: | CC(OC1C(OC2OC(CO)C(O)C(O)C2N=C(C)O)C(CO)OC=C1N=C(C)O)C(O)=NC(C)C(O)=NC(CCC(O)=O)C(O)=NC(CCCC(N)C(O)=O)C(O)=O |
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Chemical Taxonomy |
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Taxonomy Description | This compound belongs to the class of organic compounds known as peptides. These are compounds containing an amide derived from two or more amino carboxylic acid molecules (the same or different) by formation of a covalent bond from the carbonyl carbon of one to the nitrogen atom of another. |
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Kingdom |
Organic compounds |
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| Super Class | Organic acids and derivatives |
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Class |
Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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Direct Parent |
Peptides |
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| Alternative Parents |
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| Substituents |
- Alpha peptide
- Saccharolipid
- N-acyl-alpha-hexosamine
- N-acyl-aliphatic-alpha amino acid
- N-acyl-alpha amino acid or derivatives
- N-acyl-alpha-amino acid
- Glucosamine
- Amino sugar
- O-glycosyl compound
- Glycosyl compound
- Alpha-amino acid or derivatives
- Alpha-amino acid
- Tricarboxylic acid or derivatives
- Amino saccharide
- Amino fatty acid
- Fatty acyl
- Oxane
- Monosaccharide
- Saccharide
- Secondary alcohol
- 1,2-diol
- Oxacycle
- Organoheterocyclic compound
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Ether
- Dialkyl ether
- Carboxylic acid
- Carboximidic acid derivative
- Carboximidic acid
- Acetal
- Hydrocarbon derivative
- Primary amine
- Primary alcohol
- Organooxygen compound
- Organonitrogen compound
- Primary aliphatic amine
- Carbonyl group
- Amine
- Alcohol
- Aliphatic heteromonocyclic compound
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| Molecular Framework |
Aliphatic heteromonocyclic compounds |
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| External Descriptors |
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Physical Properties |
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| State: |
Not Available |
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| Charge: | -1 |
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Melting point: |
Not Available |
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| Experimental Properties: |
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| Predicted Properties |
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Biological Properties |
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| Cellular Locations: |
Cytoplasm |
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| Reactions: | |
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Pathways: |
Not Available |
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Spectra |
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| Spectra: |
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References |
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| References: |
Not Available |
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| Synthesis Reference: |
Not Available |
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| Material Safety Data Sheet (MSDS) |
Not Available |
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Links |
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| External Links: |
| Resource | Link |
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| CHEBI ID | Not Available | | HMDB ID | Not Available | | Pubchem Compound ID | 45479614 | | Kegg ID | Not Available | | ChemSpider ID | Not Available | | Wikipedia ID | Not Available | | BioCyc ID | CPD0-2155 | | EcoCyc ID | CPD0-2155 |
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