Reviewed,
UniProtKB/Swiss-Prot B1LK48 (SECB_ECOSM)
Last modified
February 9, 2010.
Version 22.
History...
Clusters with 100%,
90%,
50% identity |
Documents (1) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Protein-export protein secB | ||||
| Gene names |
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| Organism | Escherichia coli (strain SMS-3-5 / SECEC) [Complete proteome] [HAMAP] | ||||
| Taxonomic identifier | 439855 [NCBI] | ||||
| Taxonomic lineage | Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia |
Protein attributes
| Sequence length | 155 AA. |
| Sequence status | Complete. |
| Protein existence | Inferred from homology. |
General annotation (Comments)
| Function | One of the proteins required for the normal export of preproteins out of the cell cytoplasm. It is a molecular chaperone that binds to a subset of precursor proteins, maintaining them in a translocation-competent state. It also specifically binds to its receptor secA By similarity. HAMAP MF_00821 |
| Subunit structure | Homotetramer, a dimer of dimers. One homotetramer interacts with 1 secA dimer By similarity. HAMAP MF_00821 |
| Subcellular location | Cytoplasm By similarity HAMAP MF_00821. |
| Sequence similarities | Belongs to the secB family. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Protein transport Translocation Transport |
| Cellular component | Cytoplasm |
| Molecular function | Chaperone |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological process | protein folding Inferred from electronic annotation. Source: HAMAP protein tetramerizationInferred from electronic annotation. Source: InterPro protein transportInferred from electronic annotation. Source: HAMAP transmembrane transportInferred from electronic annotation. Source: UniProtKB-KW |
| Cellular component | cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular function | unfolded protein binding Inferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||
Molecule processing | |||||||
|---|---|---|---|---|---|---|---|
| Chain | 1 – 155 | 155 | Protein-export protein secB HAMAP MF_00821 | PRO_1000195319 | |||
Sequences
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References
| [1] | "Insights into the environmental resistance gene pool from the genome sequence of the multidrug-resistant environmental isolate Escherichia coli SMS-3-5." Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C., Ravel J., Stepanauskas R. J. Bacteriol. 190:6779-6794(2008) [PubMed: 18708504] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | CP000970 Genomic DNA. Translation: ACB17799.1. |
| RefSeq | YP_001745911.1. |
3D structure databases | |
| SMR | B1LK48. Positions 9-144. |
| ModBase | Search... |
Genome annotation databases | |
| GeneID | 6147355. |
| GenomeReviews | Gene locus EcSMS35_3946 in contig CP000970_GR. |
| KEGG | ecm:EcSMS35_3946. |
Organism-specific databases | |
| CMR | Search... |
Phylogenomic databases | |
| HOGENOM | HBG294212. |
| OMA | GFPPLMI. |
Family and domain databases | |
| HAMAP | MF_00821. SecB. [Tree] |
| InterPro | IPR003708. SecB. [Graphical view] |
| Gene3D | G3DSA:3.10.420.10. SecB. 1 hit. |
| Pfam | PF02556. SecB. 1 hit. [Graphical view] |
| PRINTS | PR01594. SECBCHAPRONE. |
| TIGRFAMs | TIGR00809. secB. 1 hit. |
| ProtoNet | Search... |
Entry information
| Entry name | SECB_ECOSM | ||||||||
| Accession | Primary (citable) accession number: B1LK48 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes) | ||||||||

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