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Protein

Beta-galactosidase

Gene

lacZ

Organism
Rhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium radiobacter)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Catalytic activityi

Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides.

GO - Molecular functioni

  1. beta-galactosidase activity Source: UniProtKB-EC
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Protein family/group databases

CAZyiGH2. Glycoside Hydrolase Family 2.

Names & Taxonomyi

Protein namesi
Recommended name:
Beta-galactosidase (EC:3.2.1.23)
Short name:
Beta-gal
Alternative name(s):
Lactase
Gene namesi
Name:lacZ
OrganismiRhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium radiobacter)
Taxonomic identifieri358 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesRhizobiaceaeRhizobium/Agrobacterium groupAgrobacteriumAgrobacterium tumefaciens complex

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – ›138›138Beta-galactosidasePRO_0000057655Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliP30812.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the glycosyl hydrolase 2 family.Curated

Sequencei

Sequence statusi: Fragment.

P30812-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MRIIENFNEF GEWGMTWRDG ELVGFINGEE VVRRHLPADP LPTTLEIAAD
60 70 80 90 100
DTELRAGEKD TVRVILRALD QGGNVLSFFD DPVEVSLQGP GRIVGPSLLS
110 120 130
FKGGAVGVYV EAGNEAGHLT LSATCRPFGT QRITFNVT
Length:138
Mass (Da):15,016
Last modified:July 1, 1993 - v1
Checksum:i2C6A3DFBE22D5EF5
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei138 – 1381

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X66596 Genomic DNA. No translation available.
PIRiS34735.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X66596 Genomic DNA. No translation available.
PIRiS34735.

3D structure databases

ProteinModelPortaliP30812.
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

CAZyiGH2. Glycoside Hydrolase Family 2.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

ProtoNetiSearch...

Publicationsi

  1. "Molecular analysis of the lac operon encoding the binding-protein-dependent lactose transport system and beta-galactosidase in Agrobacterium radiobacter."
    Williams S.G., Greenwood J.A., Jones C.W.
    Mol. Microbiol. 6:1755-1768(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: AR50.

Entry informationi

Entry nameiBGAL_RHIRD
AccessioniPrimary (citable) accession number: P30812
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 1993
Last sequence update: July 1, 1993
Last modified: October 1, 2014
This is version 48 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.