3.2.1.23: beta-galactosidase

This is an abbreviated version!
For detailed information about beta-galactosidase, go to the full flat file.

Word Map on EC 3.2.1.23

3.2.1.23

lacz

adenovirus

lysosomal

lactose

endothelial

oligosaccharide

artery

phage

adenovirus-mediated

beta-glucosidase

immunoassay

retroviral

beta-glucuronidase

herpes

lambda

simplex

luciferase

cytomegalovirus

neuraminidase

viruses

hydrolases

bacteriophage

glycosidases

gm1

liposome

ganglioside

p16ink4a

alpha-galactosidase

alpha-mannosidase

osteogenic

vaccinia

adeno-associated

replication-defective

n-acetyl-beta-glucosaminidase

runx2

sialidase

alpha-glucosidase

sialic

galactosylation

plaque-forming

osteoblast

kluyveromyces

telomerase

analysis

degradation

diagnostics

lysogens

beta-hexosaminidase

keratan

vector-mediated

biotechnology

molecular biology

synthesis

environmental protection

ganciclovir

nutrition

transglycosylation

medicine

industry

nonviral

food industry

biofuel production

Reaction

beta-D-galactopyranosyl-(1-4)-beta-D-galactopyranosyl-(1-6)-beta-D-galactopyranosyl-(1-3)-beta-D-galactopyranose

+ 3 H2O = 4 beta-D-galactopyranose

Synonyms

Aabeta-gal, Acid beta-galactosidase, B-GAL, BbgI, BbgII, BbgIII, BbgIV, beta galactosidase, beta-D-galactohydrolase, beta-D-galactosidase, beta-D-galactoside galactohydrolase, beta-D-glactanase, beta-D-lactosidase, beta-gal, beta-Gal 1, beta-Gal 2, beta-Gal II, beta-galactosidase, beta-galactosidase I, beta-galactosidase II, beta-galactosidase III, beta-galactosidase IV, beta-galase, beta-lactosidase, betagal, betaGly4, betaGS, BGA, BgaB, BgaBM, bgaD, BgaH, BGAL, BGAL1, BGAL10, BGAL11, BGAL12, BGAL13, BGAL14, BGAL15, BGAL16, BGAL17, BGAL2, BGAL3, BGAL4, BGAL5, BGAL6, BGAL7, BGAL8, BGAL9, BgalA, BgAP, BgaS, BgaX, BGL1, BglAp, BGT I, BGT II, cold-active beta-galactosidase, CTP-beta-gal, driselase, EABase, endo-beta-galactosidase, Exo-(1-->4)-beta-D-galactanase, exo-beta-(1->3)-D-galactanase, Gal-2, Gal-5, GAL1, Gal2, Gal3, Gal4, GALA, galactanase, galactosidase, galactosidase, beta, GALB, gherkin lactase, H-BgaS, hcbetagal, Hlac_2868, Hydrolact, LacA, LACS, lactase, lactase phlorizin hydrolase, lactosylceramidase II, Lactozym, Lactozym 3000L, LPH, Maxilact, Maxilact-L/2000, MeBglD2, More, ONPGase, Oryzatym, p-nitrophenyl beta-galactosidase, PF1208, PRGH1, S 2107, SA-beta-GAL, SA-betagal, senescence-associated beta-galactosidase, SPD_0065 protein, SR12 protein, Ss beta-gal, SSO3019, SSU0587, Sumiklat, Trilactase, XC1214, XG-specific beta-galactosidase, YesZ, YH4502, ZD410

ECTree

3 Hydrolases

3.2 Glycosylases

3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

3.2.1.23 beta-galactosidase

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Results	in table
64	Activating Compound
63272	AA Sequence
89	Application
1	CAS Registry Number
83	Cloned(Commentary)
11	Crystallization (Commentary)
6802	Disease/ Diagnostics
25	Expression
10	General Information
31	General Stability
2	IC50 Value
577	Inhibitors
115	kcat/KM [mM/s]
135	Ki Value [mM]
410	KM Value [mM]
65	Localization
205	Metals/Ions
251	Molecular Weight [Da]
143	Natural Substrates/ Products (Substrates)
42	Organic Solvent Stability
728	Organism
2	Oxidation Stability
9	Pathway
609	PDB ID
267	pH Optimum
49	pH Range
96	pH Stability
42	pI Value
34	Posttranslational Modification
90	Protein Variants
154	Purification (Commentary)
11	Reaction
5	Reaction Type
595	Reference
5	Renatured (Commentary)
117	Source Tissue
178	Specific Activity [micromol/min/mg]
35	Storage Stability
1115	Substrates and Products (Substrate)
189	Subunits
341	Synonyms
1	Systematic Name
208	Temperature Optimum [°C]
55	Temperature Range [°C]
260	Temperature Stability [°C]
177	Turnover Number [1/s]

KCat KM Value

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KCat KM Value on EC 3.2.1.23 - beta-galactosidase

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5.33 - 26.67

2,4-dinitrophenyl 2-acetamido-2-deoxy-alpha-D-galactopyranosyl-(1-3)-[alpha-L-fucopyranosyl-(1-2)]-beta-D-galactopyranoside

4 entries

3.36 - 498

2-nitrophenyl beta-D-galactopyranoside

19 entries

1200 - 4666

2-nitrophenyl beta-D-galactoside

4 entries

160 - 251

2-Nitrophenyl beta-D-glucoside

2 entries

4.7 - 865

2-nitrophenyl-beta-D-galactopyranoside

13 entries

14.9 - 463

4-nitrophenyl beta-D-fucopyranoside

7 entries

382 - 772

4-nitrophenyl beta-D-fucoside

4 entries

7 - 370

4-nitrophenyl beta-D-galactopyranoside

13 entries

17.9 - 129

4-nitrophenyl beta-D-glucopyranoside

7 entries

132 - 1084

4-nitrophenyl beta-D-glucoside

4 entries

1446 - 1676

4-nitrophenyl cellobioside

2 entries

284 - 1395

4-nitrophenyl-beta-D-galactopyranoside

3 entries

alpha-D-Xyl-(1->6)-beta-D-Glc-(1->4)-[beta-D-Gal-(1->2)-alpha-D-Xyl-(1->6)]-beta-D-Glc-(1->4)-[beta-D-Gal-(1->2)-alpha-D-Xyl-(1->6)]-beta-D-Glc-(1->4)-beta-D-Glc

Aspergillus oryzae

Q2UCU3

pH 4.5, 60°C

750529

120

beta-D-Gal-(1->2)-alpha-D-Xyl-(1->6)-beta-D-Glc-(1->4)-beta-D-Glc

Aspergillus oryzae

Q2UCU3

pH 4.5, 60°C

750529

7.99 - 10.1

cellobiose

2 entries

0.023 - 84

lactose

29 entries