P30812 (BGAL_RHIRD) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Beta-galactosidase
Short name=Beta-gal
EC=3.2.1.23

Alternative name(s):
Lactase

Gene names

Name:

lacZ

Organism

Rhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium radiobacter)

Taxonomic identifier

358 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Rhizobiaceae › Rhizobium/Agrobacterium group › Agrobacterium

Protein attributes

Sequence length	138 AA.
Sequence status	Fragment.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides.
Sequence similarities	Belongs to the glycosyl hydrolase 2 family.

Ontologies

Keywords
Molecular function	Glycosidase Hydrolase
Gene Ontology (GO)
Molecular function	beta-galactosidase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – ›138	›138	Beta-galactosidase		PRO_0000057655
Experimental info
	Non-terminal residue	138	1

Sequences

	Sequence		Length	Mass (Da)
	P30812 [UniParc]. Last modified July 1, 1993. Version 1. Checksum: 2C6A3DFBE22D5EF5	FASTA	138	15,016
	10 20 30 40 50 60 MRIIENFNEF GEWGMTWRDG ELVGFINGEE VVRRHLPADP LPTTLEIAAD DTELRAGEKD 70 80 90 100 110 120 TVRVILRALD QGGNVLSFFD DPVEVSLQGP GRIVGPSLLS FKGGAVGVYV EAGNEAGHLT 130 LSATCRPFGT QRITFNVT

References

[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: 1630315] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: AR50.

Cross-references

Sequence databases
EMBL GenBank DDBJ	X66596 Genomic DNA. No translation available.
PIR	S34735.
3D structure databases
ProteinModelPortal	P30812.
ModBase	Search...
Protein family/group databases
CAZy	GH2. Glycoside Hydrolase Family 2.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
PROSITE	PS00719. GLYCOSYL_HYDROL_F2_1. Partial match. PS00608. GLYCOSYL_HYDROL_F2_2. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

BGAL_RHIRD

Accession

Primary (citable) accession number: P30812

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 1, 1993
Last sequence update:	July 1, 1993
Last modified:	May 31, 2011
This is version 43 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program