2.02012-08-15 08:51:33 -06002015-09-13 12:56:17 -0600ECMDB21653M2MDB002047GalactanGalactan 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. GalactanGalactansC20H36O16532.4902532.200335104(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-diol39300-87-3[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])OCInChI=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/s1HYRUXGRHTJRKNG-IESUNRGTSA-NSolidCytoplasmlogp-2.58logs-0.19solubility3.40e+02 g/llogp-5.2pka_strongest_acidic11.8pka_strongest_basic-3iupac(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-diolaverage_mass532.4902mono_mass532.200335104smiles[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])OCformulaC20H36O16inchiInChI=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/s1inchikeyHYRUXGRHTJRKNG-IESUNRGTSA-Npolar_surface_area246.68refractivity110.25polarizability50.79rotatable_bond_count9acceptor_count16donor_count9physiological_charge0formal_charge0Specdb::MsMs23207Specdb::MsMs23208Specdb::MsMs23209Specdb::MsMs30005Specdb::MsMs30006Specdb::MsMs30007HMDB0416220758205C0579637165Galactanhttp://hmdb.ca/system/metabolites/msds/000/003/743/original/HMDB04162.pdf?1358461977Beta-galactosidaseP00722BGAL_ECOLIlacZhttp://ecmdb.ca/proteins/P00722.xmlBeta-galactosidaseG0ZKW2G0ZKW2_ECOLIlacZhttp://ecmdb.ca/proteins/G0ZKW2.xmlGalactan + Water <> D-Galactose + GalactanR01105Galactan + Water <> D-Galactose + GalactanR01105