Protein Info for Rru_A1864 in Rhodospirillum rubrum S1H

Annotation: SmpB protein (NCBI)

These analyses and tools can help you predict a protein's function, but be skeptical. For enzymes, over 10% of annotations from KEGG or SEED are probably incorrect. For other types of proteins, the error rates may be much higher. MetaCyc and Swiss-Prot have low error rates, but the best hits in these databases are often quite distant, so this protein's function may not be the same. TIGRFam has low error rates. Finally, many experimentally-characterized proteins are not in any of these databases. To find relevant papers, use PaperBLAST.

Protein Families and Features

1 50 100 160 TIGR00086: SsrA-binding protein" amino acids 14 to 156 (143 residues), 171.9 bits, see alignment E=4.2e-55 PF01668: SmpB" amino acids 14 to 157 (144 residues), 182.9 bits, see alignment E=1.6e-58

Best Hits

Swiss-Prot: 100% identical to SSRP_RHORT: SsrA-binding protein (smpB) from Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1)

KEGG orthology group: K03664, SsrA-binding protein (inferred from 100% identity to rru:Rru_A1864)

Predicted SEED Role

"tmRNA-binding protein SmpB" in subsystem Heat shock dnaK gene cluster extended or Staphylococcal pathogenicity islands SaPI or Trans-translation by stalled ribosomes

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Compare to protein structures

Predict protein localization: PSORTb (Gram-negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the current SEED with FIGfam search

Find homologs in fast.genomics or the ENIGMA genome browser

See Q2RT81 at UniProt or InterPro

Protein Sequence (160 amino acids)

>Rru_A1864 SmpB protein (NCBI) (Rhodospirillum rubrum S1H)
MARAGNSLISHGRVAENRRARHDYSIEETIEAGLILVGTEVKSLRTGRANIADSYAGPKS
GELYLYNAYIPDWTQAVKAFAHEPRQPRKLLVHRREARRLISAINKDGMTLVPLYLYFND
RGFAKVQLGLAKGRKAHDKRQAIKEREWNRDKARVLRDKG