Q97SA9 (LACG1_STRPN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 79.
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: 6-phospho-beta-galactosidase 1 EC=3.2.1.85 Alternative name(s): Beta-D-phosphogalactoside galactohydrolase 1 Short name=PGALase 1 P-beta-Gal 1 Short name=PBG 1 | ||||||
| Gene names |
| ||||||
| Organism | Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4) [Complete proteome] [HAMAP] | ||||||
| Taxonomic identifier | 170187 [NCBI] | ||||||
| Taxonomic lineage | Bacteria › Firmicutes › Bacilli › Lactobacillales › Streptococcaceae › Streptococcus › ![]() |
Protein attributes
| Sequence length | 470 AA. |
| Sequence status | Complete. |
| Protein existence | Inferred from homology |
General annotation (Comments)
| Catalytic activity | A 6-phospho-beta-D-galactoside + H2O = 6-phospho-D-galactose + an alcohol. HAMAP-Rule MF_01574 |
| Pathway | Carbohydrate metabolism; lactose degradation; D-galactose 6-phosphate and beta-D-glucose from lactose 6-phosphate: step 1/1. HAMAP-Rule MF_01574 |
| Sequence similarities | Belongs to the glycosyl hydrolase 1 family. |
Ontologies
| Keywords | |
|---|---|
| Molecular function | Glycosidase Hydrolase |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological_process | lactose catabolic process via tagatose-6-phosphate Inferred from electronic annotation. Source: InterPro |
| Molecular_function | 6-phospho-beta-galactosidase activity Inferred from electronic annotation. Source: HAMAP |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 470 | 470 | 6-phospho-beta-galactosidase 1 HAMAP-Rule MF_01574 | PRO_0000260730 | |||||
Sites | |||||||||
| Active site | 164 | 1 | Proton donor By similarity | ||||||
| Active site | 378 | 1 | Nucleophile By similarity | ||||||
Sequences
| ||||||||||||||||||
References
| [1] | "Complete genome sequence of a virulent isolate of Streptococcus pneumoniae." Tettelin H., Nelson K.E., Paulsen I.T., Eisen J.A., Read T.D., Peterson S.N., Heidelberg J.F., DeBoy R.T., Haft D.H., Dodson R.J., Durkin A.S., Gwinn M.L., Kolonay J.F., Nelson W.C., Peterson J.D., Umayam L.A., White O., Salzberg S.L. Fraser C.M.Science 293:498-506(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC BAA-334 / TIGR4. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AE005672 Genomic DNA. Translation: AAK74636.1. |
| PIR | C95055. |
| RefSeq | NP_344996.1. NC_003028.3. |
3D structure databases | |
| HSSP | HSSP built from PDB template 1PBG based on UniProtKB P11546. |
| ProteinModelPortal | Q97SA9. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 170187.SP_0477. |
Protein family/group databases | |
| CAZy | GH1. Glycoside Hydrolase Family 1. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| EnsemblBacteria | AAK74636; AAK74636; SP_0477. |
| GeneID | 930415. |
| KEGG | spn:SP_0477. |
| PATRIC | 19705307. VBIStrPne105772_0499. |
Organism-specific databases | |
| CMR | Search... |
Phylogenomic databases | |
| eggNOG | COG2723. |
| HOGENOM | HOG000088632. |
| KO | K01220. |
| OMA | LAVRYYH. |
| ProtClustDB | PRK13511. |
Enzyme and pathway databases | |
| UniPathway | UPA00542; UER00605. |
Family and domain databases | |
| Gene3D | 3.20.20.80. 1 hit. |
| HAMAP | MF_01574. LacG. |
| InterPro | IPR005928. 6P-beta-galactosidase. IPR001360. Glyco_hydro_1. IPR013781. Glyco_hydro_catalytic_dom. IPR017853. Glycoside_hydrolase_SF. [Graphical view] |
| PANTHER | PTHR10353. PTHR10353. 1 hit. |
| Pfam | PF00232. Glyco_hydro_1. 1 hit. [Graphical view] |
| PRINTS | PR00131. GLHYDRLASE1. |
| SUPFAM | SSF51445. Glyco_hydro_cat. 1 hit. |
| TIGRFAMs | TIGR01233. lacG. 1 hit. |
| PROSITE | PS00572. GLYCOSYL_HYDROL_F1_1. False negative. PS00653. GLYCOSYL_HYDROL_F1_2. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | LACG1_STRPN | ||||||||
| Accession | Primary (citable) accession number: Q97SA9 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Prokaryotic Protein Annotation Program | ||||||||
Relevant documents
| Glycosyl hydrolases Classification of glycosyl hydrolase families and list of entries |
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with
