Protein Info for BBR_RS15810 in Bifidobacterium breve UCC2003

Annotation: tryptophan synthase subunit alpha

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 50 100 150 200 250 289 TIGR00262: tryptophan synthase, alpha subunit" amino acids 26 to 261 (236 residues), 218.5 bits, see alignment E=3.5e-69 PF00290: Trp_syntA" amino acids 26 to 276 (251 residues), 237.1 bits, see alignment E=8.6e-75

Best Hits

Swiss-Prot: 99% identical to TRPA_BIFLO: Tryptophan synthase alpha chain (trpA) from Bifidobacterium longum (strain NCC 2705)

KEGG orthology group: K01695, tryptophan synthase alpha chain [EC: 4.2.1.20] (inferred from 99% identity to bll:BLJ_1014)

Predicted SEED Role

"Tryptophan synthase alpha chain (EC 4.2.1.20)" in subsystem Auxin biosynthesis or Tryptophan synthesis (EC 4.2.1.20)

MetaCyc Pathways

KEGG Metabolic Maps

Isozymes

Compare fitness of predicted isozymes for: 4.2.1.20

Use Curated BLAST to search for 4.2.1.20

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

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

Search structures

Predict protein localization: PSORTb (Gram-positive 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

Find the best match in UniProt

Protein Sequence (289 amino acids)

>BBR_RS15810 tryptophan synthase subunit alpha (Bifidobacterium breve UCC2003)
MTNEATTPSGQPLGISHKPSKSGAMFTKFKAENKPAFIGYLPYGFPNPDVSLDAFKTMVE
HGVDAVEIGLPYSDPVMDGPIIQAAASIALNNGETIKRVFEAVETVANAGGVPLIMSYWN
LVYHYGVERFARDFENAGGAGLITPDLIPDEAGEWIEASDRHGLDRIFLVSPDSSTERLE
TVARNARGFVYAAARMGVTGERATIDASPELLVERTRQAGAENVCVGIGVSTAEQGAKVG
SYSDGVIVGSALVHTLLADDNKTARDPKEGLKLLAAKSEELAEGIHNAR