EC 3.2.1.22: alpha-galactosidase

HydrolasesOpen in Browse

CatLog read 82 records for EC 3.2.1.22 from 8 papers, for 7 organisms. Names in these papers: alpha-galactosidase TmGalA, α-galactosidase AgaA, alpha-D-galactosidase, α-galactosidase (ScAGal) and 7 more.

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.

CatLog also holds 141 records for EC 3.2.1.22 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 3.2.1.22 in Browse.

Papers

Papers with records for EC 3.2.1.22
PaperOrganismsRecords
Biochemical analysis of Thermotoga maritima GH36 alpha-galactosidase (TmGalA) confirms the mechanistic commonality of clan GH-D glycoside hydrolasesThermotoga maritima26
The molecular mechanism of thermostable α-galactosidases AgaA and AgaB explained by x-ray crystallography and mutational studiesGeobacillus stearothermophilus13
Effects of several alcohols on glycosidase activities in rat liver and brainRattus norvegicus10
Purification and characterization of two alpha-galactosidases associated with catabolism of guar gum and other alpha-galactosides by Bacteroides ovatusBacteroides ovatus10
Structural analysis of Saccharomyces cerevisiae alpha-galactosidase and its complexes with natural substrates reveals new insights into substrate specificity of GH27 glycosidasesSaccharomyces cerevisiae9
Characterization of alpha-Galactosidase from Cucumber LeavesCucumis sativus8
Catalytic mechanism of retaining alpha-galactosidase belonging to glycoside hydrolase family 97Bacteroides thetaiotaomicron4
Divergence of catalytic mechanism within a glycosidase family provides insight into evolution of carbohydrate metabolism by human gut floraBacteroides thetaiotaomicron2

Records

Records for EC 3.2.1.22 read from the paper
EnzymeOrganismSubstratekcat (s⁻¹)Km (mM)kcat/Km (mM⁻¹ s⁻¹)ConditionsPaperOpen record
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosideliver; Table 2—3.56—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosideliver; Table 2—3.55—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosideliver; Table 2—3.35—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosideliver; Table 2—3.75—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosideliver; Table 2—3.53—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosidebrain; Table 4—3.51—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosidebrain; Table 4—3.57—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosidebrain; Table 4—3.57—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosidebrain; Table 4—3.6—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-D-galactosidaseRattus norvegicus4-nitrophenyl alpha-D-galactopyranosidebrain; Table 4—3.56—pH 4.5, 37 °CPMID 1499277Open record: alpha-D-galactosidase, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase IBacteroides ovatus2-nitrophenyl alpha-D-galactopyranoside—0.2—PMID 2981815Open record: alpha-galactosidase I, 2-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase IBacteroides ovatus4-nitrophenyl alpha-D-galactopyranoside—0.2—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase I, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase IBacteroides ovatusmelibiose—20.8—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase I, melibiose
alpha-galactosidase IBacteroides ovatusraffinose—98.1—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase I, raffinose
alpha-galactosidase IBacteroides ovatusstachyose—8.5—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase I, stachyose
alpha-galactosidase IIBacteroides ovatus2-nitrophenyl alpha-D-galactopyranoside—0.3—PMID 2981815Open record: alpha-galactosidase II, 2-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase IIBacteroides ovatus4-nitrophenyl alpha-D-galactopyranoside—0.4—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase II, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase IIBacteroides ovatusmelibiose—2.3—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase II, melibiose
alpha-galactosidase IIBacteroides ovatusraffinose—5.9—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase II, raffinose
alpha-galactosidase IIBacteroides ovatusstachyose—0.3—pH 6.3, 37 °CPMID 2981815Open record: alpha-galactosidase II, stachyose
alpha-galactosidase TmGalAThermotoga maritima2,4-dinitrophenyl alpha-D-galactopyranoside12.230.037330.5pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 2,4-dinitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima2,5-dinitrophenyl alpha-D-galactopyranoside11.20.14378.3pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 2,5-dinitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima2-naphthyl alpha-D-galactopyranoside6.260.039160.5pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 2-naphthyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima2-nitrophenyl alpha-D-galactopyranoside13.670.14395.6pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 2-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima3,4-dimethylphenyl alpha-D-galactopyranoside10.390.086120.8pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 3,4-dimethylphenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima3-nitrophenyl alpha-D-galactopyranoside10.50.096109.4pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 3-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-bromophenyl alpha-D-galactopyranoside12.580.111113.3pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-bromophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-methoxyphenyl alpha-D-galactopyranoside6.690.048139.4pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-methoxyphenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-nitrophenyl alpha-D-galactopyranoside50 mM sodium acetate pH 5.0 containing 0.5 mg/mL BSA8.580.08107.3pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-nitrophenyl alpha-D-galactopyranosideno external nucleophile; 200 mM sodium citrate pH 5.0330.052620pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-nitrophenyl alpha-D-galactopyranosidepH 5.0 after addition of azide; Gal-PNP 12 µM to 2 mM380.077490pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritima4-nitrophenyl alpha-D-galactopyranosidewith 2 M sodium formate buffer (external nucleophile)310.044700pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAThermotoga maritimaphenyl alpha-D-galactopyranoside5.710.17632.4pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA, phenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima2,4-dinitrophenyl alpha-D-galactopyranoside0.0850.1350.63pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 2,4-dinitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima2,5-dinitrophenyl alpha-D-galactopyranoside0.0420.2430.173pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 2,5-dinitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima2-naphthyl alpha-D-galactopyranoside0.0210.2250.093pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 2-naphthyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima2-nitrophenyl alpha-D-galactopyranoside0.0350.1330.263pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 2-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima3,4-dimethylphenyl alpha-D-galactopyranoside0.010.0890.112pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 3,4-dimethylphenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima3-nitrophenyl alpha-D-galactopyranoside0.0420.140.3pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 3-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima4-bromophenyl alpha-D-galactopyranoside0.0160.1040.154pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 4-bromophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima4-methoxyphenyl alpha-D-galactopyranoside0.010.0880.114pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 4-methoxyphenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritima4-nitrophenyl alpha-D-galactopyranoside0.030.0830.361pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D327GThermotoga maritimaphenyl alpha-D-galactopyranoside0.0270.3240.083pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D327G, phenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D387GThermotoga maritima4-nitrophenyl alpha-D-galactopyranosideno external nucleophile; 200 mM sodium citrate pH 5.00.0220.0360.61pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D387G, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D387GThermotoga maritima4-nitrophenyl alpha-D-galactopyranosidepH 5.0 after addition of azide0.0270.0740.36pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D387G, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase TmGalAvariant D387GThermotoga maritima4-nitrophenyl alpha-D-galactopyranosidewith 2 M sodium formate buffer (external nucleophile)0.0310.040.77pH 5, 37 °CPMID 17323919Open record: alpha-galactosidase TmGalA variant D387G, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase, 25,000-mol wt formCucumis sativus4-nitrophenyl alpha-D-galactopyranoside—0.32—pH 5.5, 30 °CPMID 16661511Open record: alpha-galactosidase, 25,000-mol wt form, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase, 25,000-mol wt formCucumis sativusmelibiose—3.5—pH 5.5, 30 °CPMID 16661511Open record: alpha-galactosidase, 25,000-mol wt form, melibiose
alpha-galactosidase, 25,000-mol wt formCucumis sativusraffinose—5—pH 5.5, 30 °CPMID 16661511Open record: alpha-galactosidase, 25,000-mol wt form, raffinose
alpha-galactosidase, 25,000-mol wt formCucumis sativusstachyose—30—pH 5.5, 30 °CPMID 16661511Open record: alpha-galactosidase, 25,000-mol wt form, stachyose
alpha-galactosidase, 50,000-mol wt formCucumis sativus4-nitrophenyl alpha-D-galactopyranoside—0.22—pH 5.2, 30 °CPMID 16661511Open record: alpha-galactosidase, 50,000-mol wt form, 4-nitrophenyl alpha-D-galactopyranoside
alpha-galactosidase, 50,000-mol wt formCucumis sativusmelibiose—3—pH 5.2, 30 °CPMID 16661511Open record: alpha-galactosidase, 50,000-mol wt form, melibiose
alpha-galactosidase, 50,000-mol wt formCucumis sativusraffinose—6.5—pH 5.2, 30 °CPMID 16661511Open record: alpha-galactosidase, 50,000-mol wt form, raffinose
alpha-galactosidase, 50,000-mol wt formCucumis sativusstachyose—10—pH 5.2, 30 °CPMID 16661511Open record: alpha-galactosidase, 50,000-mol wt form, stachyose
BtGH97b (GH97 alpha-galactosidase)Bacteroides thetaiotaomicron4-nitrophenyl alpha-D-galactopyranoside910.23391pH 6.6, 37 °CPMID 18848471Open record: BtGH97b (GH97 alpha-galactosidase), 4-nitrophenyl alpha-D-galactopyranoside
BtGH97b (GH97 alpha-galactosidase)Bacteroides thetaiotaomicronmelibiose0.0151.50.011pH 6.6, 37 °CPMID 18848471Open record: BtGH97b (GH97 alpha-galactosidase), melibiose
BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97)Bacteroides thetaiotaomicronp-nitrophenyl alpha-D-galactopyranoside2440.31778pH 6, 35 °CPMID 19646996Open record: BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97), p-nitrophenyl alpha-D-galactopyranoside
BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97)variant D415GBacteroides thetaiotaomicronp-nitrophenyl alpha-D-galactopyranoside0.0390.03386.5pH 6PMID 19646996Open record: BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97) variant D415G, p-nitrophenyl alpha-D-galactopyranoside
BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97)variant D415NBacteroides thetaiotaomicronp-nitrophenyl alpha-D-galactopyranoside0.002180.190.0115pH 6, 35 °CPMID 19646996Open record: BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97) variant D415N, p-nitrophenyl alpha-D-galactopyranoside
BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97)variant E470QBacteroides thetaiotaomicronp-nitrophenyl alpha-D-galactopyranoside0.06840.320.213pH 6, 35 °CPMID 19646996Open record: BtGH97b (retaining alpha-galactosidase, glycoside hydrolase family 97) variant E470Q, p-nitrophenyl alpha-D-galactopyranoside
α-galactosidase (ScAGal)Saccharomyces cerevisiaemelibiose—11.2—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal), melibiose
α-galactosidase (ScAGal)Saccharomyces cerevisiaep-nitrophenyl-α-D-galactopyranoside—4.5—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal), p-nitrophenyl-α-D-galactopyranoside
α-galactosidase (ScAGal)Saccharomyces cerevisiaeraffinose—54.1—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal), raffinose
α-galactosidase (ScAGal)variant A41YSaccharomyces cerevisiaemelibiose—5.8—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant A41Y, melibiose
α-galactosidase (ScAGal)variant A41YSaccharomyces cerevisiaep-nitrophenyl-α-D-galactopyranoside—3.7—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant A41Y, p-nitrophenyl-α-D-galactopyranoside
α-galactosidase (ScAGal)variant A41YSaccharomyces cerevisiaeraffinose—87.9—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant A41Y, raffinose
α-galactosidase (ScAGal)variant Q251ASaccharomyces cerevisiaemelibiose—254—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant Q251A, melibiose
α-galactosidase (ScAGal)variant Q251ASaccharomyces cerevisiaep-nitrophenyl-α-D-galactopyranoside—1.4—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant Q251A, p-nitrophenyl-α-D-galactopyranoside
α-galactosidase (ScAGal)variant Q251WSaccharomyces cerevisiaep-nitrophenyl-α-D-galactopyranoside—0.24—pH 4, 30 °CPMID 20592022Open record: α-galactosidase (ScAGal) variant Q251W, p-nitrophenyl-α-D-galactopyranoside
α-galactosidase AgaAGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside105.60.21502pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAGeobacillus stearothermophilusraffinose1803.864.3pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA, raffinose
α-galactosidase AgaAvariant W336AGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside7.90.4417.9pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336A, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAvariant W336AGeobacillus stearothermophilusraffinose48.12520.19pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336A, raffinose
α-galactosidase AgaAvariant W336DGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside0.971.330.7pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336D, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAvariant W336FGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside3750.241562pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336F, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAvariant W336FGeobacillus stearothermophilusraffinose8322503.3pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336F, raffinose
α-galactosidase AgaAvariant W336NGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside38.20.8445.5pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336N, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAvariant W336NGeobacillus stearothermophilusraffinose10.32050.05pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336N, raffinose
α-galactosidase AgaAvariant W336SGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside488.75.5pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336S, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaAvariant W336SGeobacillus stearothermophilusraffinose5.236.60.14pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaA variant W336S, raffinose
α-galactosidase AgaBGeobacillus stearothermophiluspara-nitrophenyl α-D-galactopyranoside23820.832.87 × 10³pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaB, para-nitrophenyl α-D-galactopyranoside
α-galactosidase AgaBGeobacillus stearothermophilusraffinose12052006pH 6.5, 25 °CPMID 23012371Open record: α-galactosidase AgaB, raffinose