2.0 2012-08-15 08:51:33 -0600 2015-09-13 12:56:17 -0600 ECMDB21653 M2MDB002047 Galactan Galactan is a beta-glucan consisting of polymerized galactose. Beta -glucans are glucose polymers found in the cell walls of plants, fungi, and bacteria and as conserved structures can be considered to be classical pathogen-associated molecular patterns. Galactan Galactans C20H36O16 532.4902 532.200335104 (2S,3R,4S,5S,6S)-5-{[(2R,3R,4S,5R,6S)-5-{[(2R,3R,4R,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-6-(hydroxymethyl)-2-methoxyoxane-3,4-diol (2S,3R,4S,5S,6S)-5-{[(2R,3R,4S,5R,6S)-5-{[(2R,3R,4R,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-6-(hydroxymethyl)-2-methoxyoxane-3,4-diol 39300-87-3 [H][C@@]1(O)[C@]([H])(O)[C@]([H])(O[C@@]2([H])O[C@@]([H])(CO)[C@]([H])(O[C@@]3([H])O[C@@]([H])(CO)[C@]([H])(OC)[C@]([H])(O)[C@@]3([H])O)[C@@]([H])(O)[C@@]2([H])O)[C@]([H])(CO)O[C@]1([H])OC InChI=1S/C20H36O16/c1-30-15-6(3-21)33-19(13(28)9(15)24)36-17-8(5-23)34-20(14(29)11(17)26)35-16-7(4-22)32-18(31-2)12(27)10(16)25/h6-29H,3-5H2,1-2H3/t6-,7-,8-,9+,10-,11-,12+,13+,14+,15-,16+,17-,18-,19+,20+/m0/s1 HYRUXGRHTJRKNG-IESUNRGTSA-N Solid Cytoplasm logp -2.58 ALOGPS logs -0.19 ALOGPS solubility 3.40e+02 g/l ALOGPS logp -5.2 ChemAxon pka_strongest_acidic 11.8 ChemAxon pka_strongest_basic -3 ChemAxon iupac (2S,3R,4S,5S,6S)-5-{[(2R,3R,4S,5R,6S)-5-{[(2R,3R,4R,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-6-(hydroxymethyl)-2-methoxyoxane-3,4-diol ChemAxon average_mass 532.4902 ChemAxon mono_mass 532.200335104 ChemAxon smiles [H][C@@]1(O)[C@]([H])(O)[C@]([H])(O[C@@]2([H])O[C@@]([H])(CO)[C@]([H])(O[C@@]3([H])O[C@@]([H])(CO)[C@]([H])(OC)[C@]([H])(O)[C@@]3([H])O)[C@@]([H])(O)[C@@]2([H])O)[C@]([H])(CO)O[C@]1([H])OC ChemAxon formula C20H36O16 ChemAxon inchi InChI=1S/C20H36O16/c1-30-15-6(3-21)33-19(13(28)9(15)24)36-17-8(5-23)34-20(14(29)11(17)26)35-16-7(4-22)32-18(31-2)12(27)10(16)25/h6-29H,3-5H2,1-2H3/t6-,7-,8-,9+,10-,11-,12+,13+,14+,15-,16+,17-,18-,19+,20+/m0/s1 ChemAxon inchikey HYRUXGRHTJRKNG-IESUNRGTSA-N ChemAxon polar_surface_area 246.68 ChemAxon refractivity 110.25 ChemAxon polarizability 50.79 ChemAxon rotatable_bond_count 9 ChemAxon acceptor_count 16 ChemAxon donor_count 9 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 23207 Specdb::MsMs 23208 Specdb::MsMs 23209 Specdb::MsMs 30005 Specdb::MsMs 30006 Specdb::MsMs 30007 HMDB04162 20758205 C05796 37165 Galactan http://hmdb.ca/system/metabolites/msds/000/003/743/original/HMDB04162.pdf?1358461977 Beta-galactosidase P00722 BGAL_ECOLI lacZ http://ecmdb.ca/proteins/P00722.xml Beta-galactosidase G0ZKW2 G0ZKW2_ECOLI lacZ http://ecmdb.ca/proteins/G0ZKW2.xml Galactan + Water <> D-Galactose + Galactan R01105 Galactan + Water <> D-Galactose + Galactan R01105