Protein Info for Psyr_1980 in Pseudomonas syringae pv. syringae B728a ΔmexB

Annotation: Heat shock protein Hsp20

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 50 100 147 signal peptide" amino acids 1 to 17 (17 residues), see Phobius details PF00011: HSP20" amino acids 43 to 139 (97 residues), 60.7 bits, see alignment E=6.3e-21

Best Hits

Swiss-Prot: 71% identical to IBPB_AZOVI: 16 kDa heat shock protein B (ibpB) from Azotobacter vinelandii

KEGG orthology group: K04080, molecular chaperone IbpA (inferred from 100% identity to psb:Psyr_1980)

Predicted SEED Role

"16 kDa heat shock protein A"

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 Q4ZUZ9 at UniProt or InterPro

Protein Sequence (147 amino acids)

>Psyr_1980 Heat shock protein Hsp20 (Pseudomonas syringae pv. syringae B728a ΔmexB)
MATAFSLAPLFRNSVGFDRFNDLFESAARNETTSGYPPYNVERHTDDHYRIVIAAAGMQE
QDLELQVEKGVLTVIGNKREQEAENVTYLHQGIARREFKLSFRLADNIEVKGADLSHGLL
NIDLVRNVPEEAKPKRIPLNSQKALEN