P29853 (BGAL_ASPNG) Reviewed, UniProtKB/Swiss-Prot
Last modified
January 25, 2012.
Version 70.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Beta-galactosidase EC=3.2.1.23 Alternative name(s): Lactase-N Short name=Lactase INN=Tilactase | ||
| Gene names |
| ||
| Organism | Aspergillus niger | ||
| Taxonomic identifier | 5061 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Fungi › Dikarya › Ascomycota › Pezizomycotina › Eurotiomycetes › Eurotiomycetidae › Eurotiales › Trichocomaceae › mitosporic Trichocomaceae › Aspergillus |
Protein attributes
| Sequence length | 1006 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans. |
| Catalytic activity | Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. |
| Pharmaceutical use | Capable of effecting hydrolysis of lactose in situ in the gastrointestinal tract of lactase-deficient subjects when given as replacement therapy at mealtime. |
| Sequence similarities | Belongs to the glycosyl hydrolase 35 family. |
Ontologies
| Keywords | |
|---|---|
| Domain | Signal |
| Molecular function | Glycosidase Hydrolase |
| PTM | Glycoprotein |
| Technical term | Pharmaceutical |
| Gene Ontology (GO) | |
| Biological process | carbohydrate metabolic process Inferred from electronic annotation. Source: InterPro |
| Molecular function | beta-galactosidase activity Inferred from electronic annotation. Source: EC cation bindingInferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 19 | 19 | Potential | ||||||
| Chain | 20 – 1006 | 987 | Beta-galactosidase | PRO_0000012192 | |||||
Sites | |||||||||
| Active site | 200 | 1 | Proton donor Potential | ||||||
| Active site | 298 | 1 | Nucleophile Potential | ||||||
Amino acid modifications | |||||||||
| Glycosylation | 156 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 373 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 402 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 422 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 478 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 522 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 622 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 739 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 760 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 777 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 805 | 1 | N-linked (GlcNAc...) Potential | ||||||
Experimental info | |||||||||
| Sequence conflict | 206 | 1 | S → C in CAA00105. Ref.2 | ||||||
Sequences
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References
| [1] | "Saccharomyces cerevisiae cells secreting an Aspergillus niger beta-galactosidase grow on whey permeate." Kumar V., Ramakrishnan S., Teeri T.T., Knowles J.K., Hartley B.S. Biotechnology (N.Y.) 10:82-85(1992) [PubMed: 1368193] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA]. Strain: VTT D-80144. |
| [2] | "DNA construct and modified yeast." Hartley B.S., Ramakrishnan S., Kumar V. Patent number WO9010703, 20-SEP-1990 Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PHARMACEUTICAL USE. Strain: VTT D-80144. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | L06037 Genomic DNA. Translation: AAA32696.1. S37150 mRNA. Translation: AAC60538.1. A00968 Unassigned DNA. Translation: CAA00105.1. |
| PIR | T31685. |
3D structure databases | |
| ProteinModelPortal | P29853. |
| SMR | P29853. Positions 41-1006. |
| ModBase | Search... |
Protein family/group databases | |
| CAZy | GH35. Glycoside Hydrolase Family 35. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Enzyme and pathway databases | |
| BioCyc | MetaCyc:MONOMER-16612. |
Family and domain databases | |
| InterPro | IPR018954. Beta-galactosidase_domain-2. IPR008979. Galactose-bd-like. IPR019801. Glyco_hydro_35_CS. IPR013781. Glyco_hydro_subgr_catalytic. IPR001944. Glycoside_Hdrlase_35. IPR017853. Glycoside_hydrolase_SF. [Graphical view] |
| Gene3D | G3DSA:2.102.20.10. Beta-galactosidase_domain-2. 1 hit. G3DSA:3.20.20.80. Glyco_hydro_cat. 1 hit. |
| PANTHER | PTHR23421. Glyco_hydro_35. 1 hit. |
| Pfam | PF10435. BetaGal_dom2. 1 hit. PF01301. Glyco_hydro_35. 1 hit. [Graphical view] |
| PRINTS | PR00742. GLHYDRLASE35. |
| SMART | SM01029. BetaGal_dom2. 1 hit. [Graphical view] |
| SUPFAM | SSF49785. Gal_bind_like. 2 hits. SSF51445. Glyco_hydro_cat. 1 hit. |
| PROSITE | PS01182. GLYCOSYL_HYDROL_F35. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | BGAL_ASPNG | ||||||||
| Accession | Primary (citable) accession number: P29853 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Fungal Protein Annotation Program | ||||||||
Relevant documents
| Glycosyl hydrolases Classification of glycosyl hydrolase families and list of entries |
| SIMILARITY comments Index of protein domains and families |

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