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LEVAN

CAS No.:
9013-95-0
Catalog Number:
AG00GSI3
Molecular Formula:
Molecular Weight:
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Product Description
Catalog Number:
AG00GSI3
Chemical Name:
LEVAN
CAS Number:
9013-95-0
IUPAC Name:
(2R,3S,4S,5R)-5-[[(2R,3S,4S,5R)-5-[[(2R,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxymethyl]-3,4-dihydroxy-2-(hydroxymethyl)oxolan-2-yl]oxymethyl]-2-(hydroxymethyl)oxolane-2,3,4-triol
InChI:
InChI=1S/C18H32O16/c19-1-7-10(23)14(27)17(5-21,33-7)31-3-9-12(25)15(28)18(6-22,34-9)30-2-8-11(24)13(26)16(29,4-20)32-8/h7-15,19-29H,1-6H2/t7-,8-,9-,10-,11-,12-,13+,14+,15+,16-,17-,18-/m1/s1
InChI Key:
ZFTFOHBYVDOAMH-XNOIKFDKSA-N
Properties
Complexity:
684  
Compound Is Canonicalized:
Yes
Covalently-Bonded Unit Count:
1  
Defined Atom Stereocenter Count:
12  
Defined Bond Stereocenter Count:
0
Exact Mass:
504.169g/mol
Formal Charge:
0
Heavy Atom Count:
34  
Hydrogen Bond Acceptor Count:
16  
Hydrogen Bond Donor Count:
11  
Isotope Atom Count:
0
Molecular Weight:
504.438g/mol
Monoisotopic Mass:
504.169g/mol
Rotatable Bond Count:
10  
Topological Polar Surface Area:
269A^2
Undefined Atom Stereocenter Count:
0
Undefined Bond Stereocenter Count:
0
XLogP3:
-6  
Literature
Title Journal
Partial purification of a Bacillus licheniformis levansucrase producing levan with antitumor activity. International journal of biological macromolecules 20121001
Hypolipidemic effect of diet supplementation with bacterial levan in cholesterol-fed rats. International journal of biological macromolecules 20120501
Preparation, antioxidant and antitumor activities in vitro of different derivatives of levan from endophytic bacterium Paenibacillus polymyxa EJS-3. Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 20120301
Microbial production of levansucrase for synthesis of fructooligosaccharides and levan. International journal of biological macromolecules 20120301
Oral administration of levan polysaccharide reduces the alloxan-induced oxidative stress in rats. International journal of biological macromolecules 20111201
Antidiabetic activity of levan polysaccharide in alloxan-induced diabetic rats. International journal of biological macromolecules 20111101
Structure and functions of exopolysaccharide produced by gut commensal Lactobacillus reuteri 100-23. The ISME journal 20110701
Levan nanostructured thin films by MAPLE assembling. Biomacromolecules 20110613
High levan accumulation in transgenic tobacco plants expressing the Gluconacetobacter diazotrophicus levansucrase gene. Journal of biotechnology 20110610
Pp6-FEH1 encodes an enzyme for degradation of highly polymerized levan and is transcriptionally induced by defoliation in timothy (Phleum pratense L.). Journal of experimental botany 20110601
Mercuric ion stabilizes levansucrase secreted by Acetobacter nitrogenifigens strain RG1(T). The protein journal 20110401
Molasses as fermentation substrate for levan production by Halomonas sp. Applied microbiology and biotechnology 20110301
NMR structural study of fructans produced by Bacillus sp. 3B6, bacterium isolated in cloud water. Carbohydrate research 20110301
Gluconacetobacter diazotrophicus levansucrase is involved in tolerance to NaCl, sucrose and desiccation, and in biofilm formation. Archives of microbiology 20110201
Sequential production of two biopolymers-levan and poly-ε-lysine by microbial fermentation. Bioresource technology 20110201
Unexpected presence of graminan- and levan-type fructans in the evergreen frost-hardy eudicot Pachysandra terminalis (Buxaceae): purification, cloning, and functional analysis of a 6-SST/6-SFT enzyme. Plant physiology 20110101
Purification and characterization of levansucrases from Bacillus amyloliquefaciens in intra- and extracellular forms useful for the synthesis of levan and fructooligosaccharides. Bioscience, biotechnology, and biochemistry 20110101
Three-phase partitioning of hydrolyzed levan. Bioresource technology 20100601
Inulin and levan synthesis by probiotic Lactobacillus gasseri strains: characterization of three novel fructansucrase enzymes and their fructan products. Microbiology (Reading, England) 20100401
One-pot conversion of levan prepared from Serratia levanicum NN to difructose anhydride IV by Arthrobacter nicotinovorans levan fructotransferase. Journal of bioscience and bioengineering 20100301
Gene cloning, characterization, and heterologous expression of levansucrase from Bacillus amyloliquefaciens. Journal of industrial microbiology & biotechnology 20100201
Hydrolytic methods for the quantification of fructose equivalents in herbaceous biomass. Applied biochemistry and biotechnology 20090801
Enhanced levan production using chitin-binding domain fused levansucrase immobilized on chitin beads. Applied microbiology and biotechnology 20090301
Ferromagnetic levan composite: an affinity matrix to purify lectin. Journal of biomedicine & biotechnology 20090101
Two active forms of Zymomonas mobilis levansucrase. An ordered microfibril structure of the enzyme promotes levan polymerization. The Journal of biological chemistry 20081121
Selected mutations in Bacillus subtilis levansucrase semi-conserved regions affecting its biochemical properties. Protein engineering, design & selection : PEDS 20081001
Probing the critical residues for intramolecular fructosyl transfer reaction of a levan fructotransferase. Journal of microbiology and biotechnology 20080601
Viscoelastic properties of polystyrene and poly(methyl methacrylate) dispersions sterically stabilized by hydrophobically modified inulin (polyfructose) polymeric surfactant. Journal of colloid and interface science 20080301
Structural and functional features of fructansucrases present in Leuconostoc mesenteroides ATCC 8293. Antonie van Leeuwenhoek 20070701
Contribution of alginate and levan production to biofilm formation by Pseudomonas syringae. Microbiology (Reading, England) 20061001
Altered mRNA expression of hepatic lipogenic enzyme and PPARalpha in rats fed dietary levan from Zymomonas mobilis. The Journal of nutritional biochemistry 20060601
The levansucrase and inulosucrase enzymes of Lactobacillus reuteri 121 catalyse processive and non-processive transglycosylation reactions. Microbiology (Reading, England) 20060401
Production of levansucrase from Bacillus subtilis NRC 33a and enzymic synthesis of levan and Fructo-Oligosaccharides. Current microbiology 20051201
selective production and characterization of levan by Bacillus subtilis (Natto) Takahashi. Journal of agricultural and food chemistry 20051019
Crystal structure of levansucrase from the Gram-negative bacterium Gluconacetobacter diazotrophicus. The Biochemical journal 20050815
Molecular and functional characterization of a levansucrase from the sourdough isolate Lactobacillus sanfranciscensis TMW 1.392. Applied microbiology and biotechnology 20050301
Simultaneous and selective production of levan and poly(gamma-glutamic acid) by Bacillus subtilis. Biotechnology letters 20050101
Cosmeceutical properties of levan produced by Zymomonas mobilis. Journal of cosmetic science 20050101
Autogenous modulation of the Bacillus subtilis sacB-levB-yveA levansucrase operon by the levB transcript. Microbiology (Reading, England) 20041101
Synthesis of levan in water-miscible organic solvents. Journal of biotechnology 20041019
Identification and characterization of a novel inulin binding module (IBM) from the CFTase of Bacillus macerans CFC1. FEMS microbiology letters 20040501
Antitumor activity of levan polysaccharides from selected microorganisms. International journal of biological macromolecules 20040401
Disruption of the Zymomonas mobilis extracellular sucrase gene (sacC) improves levan production. Journal of applied microbiology 20040101
Serine substitution for cysteine residues in levansucrase selectively abolishes levan forming activity. Biotechnology letters 20031001
A novel and simple method for the purification of extracellular levansucrase from Zymomonas mobilis. Current microbiology 20030901
Interaction forces between particles containing grafted or adsorbed polymer layers. Advances in colloid and interface science 20030701
Levan fructotransferase from Arthrobacter oxydans J17-21 catalyzes the formation of the di-D-fructose dianhydride IV from levan. Journal of agricultural and food chemistry 20030423
Catalytic activity of zymomonas mobilis extracellular 'levan-levansucrase' complex in sucrose medium. Communications in agricultural and applied biological sciences 20030101
Chemical syntheses of inulin and levan structures. The Journal of organic chemistry 20021129
Regulation of fructosyltransferase activity by carbohydrates, in solution and immobilized on hydroxyapatite surfaces. Carbohydrate research 20020417
Investigating the prebiotic and gas-generating effects of selected carbohydrates on the human colonic microflora. Letters in applied microbiology 20020101
Purification of a novel fructosyltransferase from Lactobacillus reuteri strain 121 and characterization of the levan produced. FEMS microbiology letters 20011218
An artificial sweetener stimulates the sweet taste in insect: dual effects of glycyrrhizin in Phormia regina. Chemical senses 20010601
Properties