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BACSU:BGAL2

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Contents

Species (Taxon ID) Bacillus subtilis. (1423)
Gene Name(s) ganA (synonyms: galO, lacA, yvfN)
Protein Name(s) Beta-galactosidase ganA

Beta-gal Beta-1,4-galactooligomerase Galactooligomerase

External Links
UniProt O07012
EMBL Z94043
AL009126
PIR B69649
RefSeq NP_391293.1
ProteinModelPortal O07012
SMR O07012
CAZy GH42
EnsemblBacteria EBBACT00000001327
GeneID 936313
GenomeReviews AL009126_GR
KEGG bsu:BSU34130
NMPDR fig|224308.1.peg.3419
PATRIC 18978828
GenoList BSU34130
GeneTree EBGT00050000006111
HOGENOM HBG476453
PhylomeDB O07012
ProtClustDB CLSK537148
BioCyc BSUB:BSU34130-MONOMER
GO GO:0009341
GO:0004565
GO:0046872
GO:0005975
InterPro IPR013739
IPR013738
IPR013780
IPR003476
IPR013529
IPR013781
IPR017853
Gene3D G3DSA:2.60.40.1180
G3DSA:3.20.20.80
KO K12308
Pfam PF02449
PF08533
PF08532
PIRSF PIRSF001084
SUPFAM SSF51445

Annotations

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status
GO:0003824

catalytic activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013780

F

Seeded From UniProt

GO:0003824

catalytic activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013781

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003476

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013529

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013738

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013739

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

GO_REF:0000003

IEA: Inferred from Electronic Annotation

EC:3.2.1.23

F

Seeded From UniProt

GO:0005975

carbohydrate metabolic process

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003476

P

Seeded From UniProt

GO:0005975

carbohydrate metabolic process

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013529

P

Seeded From UniProt

GO:0005975

carbohydrate metabolic process

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013738

P

Seeded From UniProt

GO:0005975

carbohydrate metabolic process

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013780

P

Seeded From UniProt

GO:0005975

carbohydrate metabolic process

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013781

P

Seeded From UniProt

GO:0008152

metabolic process

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0326

P

Seeded From UniProt

GO:0009341

beta-galactosidase complex

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013529

C

Seeded From UniProt

GO:0016787

hydrolase activity

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0378

F

Seeded From UniProt

GO:0016798

hydrolase activity, acting on glycosyl bonds

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0326

F

Seeded From UniProt

GO:0043169

cation binding

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013780

F

Seeded From UniProt

GO:0043169

cation binding

GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013781

F

Seeded From UniProt

GO:0046872

metal ion binding

GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0479

F

Seeded From UniProt

GO:0004565

beta-galactosidase activity

PMID:9287030[1]

IMP: Inferred from Mutant Phenotype

F

LacR is known to be a regulator for lacA activity. Figure 2 shows that when mutant lacR strains are utilized, beta galactosidase activity is up regulated as long as there are no mutations in lacA. Mutant lacA strains results in decreased or no beta galactosidase activity showing that it is necessary for it to occur.

complete

GO:0004565

beta-galactosidase activity

PMID:2104611[2]

IGI: Inferred from Genetic Interaction

PMID:2104611[2]


F

Figure 1 shows that lacR is responsible for regulating beta-galactosidase activity and the lacR1 mutation upregulates beta-galactosidase activity. Figure 2 shows that when the same mutation is applied along with the lacA17 mutation, beta-galactosidase activity decreases showing that lacA is directly responsible for beta-galactosidase activity and is regulated by lacR.

complete

GO:0004565

beta-galactosidase activity

PMID:17056685[3]

IMP: Inferred from Mutant Phenotype

F

Figure 3 presents a wild type plate that has grown blue colonies as a result of beta-galactosidase activity. When lacA is interrupted by the insertion of the CAT cassette as in the second plate shown, this expression is eliminated resulting in plain white colonies.

complete

Notes

References

See Help:References for how to manage references in GONUTS.

  1. Daniel RA et al. (1997) Isolation and characterization of the lacA gene encoding beta-galactosidase in Bacillus subtilis and a regulator gene, lacR. J Bacteriol 179: 5636-8 PubMed GONUTS page
  2. 2.0 2.1 Errington J & Vogt CH (1990) Isolation and characterization of mutations in the gene encoding an endogenous Bacillus subtilis beta-galactosidase and its regulator. J Bacteriol 172: 488-90 PubMed GONUTS page
  3. Shipkowski S & Brenchley JE (2006) Bioinformatic, genetic, and biochemical evidence that some glycoside hydrolase family 42 beta-galactosidases are arabinogalactan type I oligomer hydrolases. Appl Environ Microbiol 72: 7730-8 PubMed GONUTS page
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