Protein Info for SMc03857 in Sinorhizobium meliloti 1021

Annotation: signal recognition particle protein

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 50 100 150 200 250 300 350 400 450 513 TIGR00959: signal recognition particle protein" amino acids 2 to 429 (428 residues), 610.7 bits, see alignment E=6.9e-188 PF02881: SRP54_N" amino acids 5 to 82 (78 residues), 75.8 bits, see alignment E=3.8e-25 PF00448: SRP54" amino acids 100 to 296 (197 residues), 232.8 bits, see alignment E=4.2e-73 PF02978: SRP_SPB" amino acids 327 to 427 (101 residues), 109.2 bits, see alignment E=1.7e-35

Best Hits

Swiss-Prot: 52% identical to SRP54_ECO57: Signal recognition particle protein (ffh) from Escherichia coli O157:H7

KEGG orthology group: K03106, signal recognition particle subunit SRP54 (inferred from 100% identity to sme:SMc03857)

Predicted SEED Role

"Signal recognition particle, subunit Ffh SRP54 (TC 3.A.5.1.1)" in subsystem Two cell division clusters relating to chromosome partitioning or Universal GTPases (TC 3.A.5.1.1)

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-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 Q92L45 at UniProt or InterPro

Protein Sequence (513 amino acids)

>SMc03857 signal recognition particle protein (Sinorhizobium meliloti 1021)
MFESLQDRLGSILNGLTGRGALSEADVSAALREVRRALLEADVALDVVRSFTEKVREKAV
GAEIVKSIKPGQMVVKIVHDELIAMLGSEGVTIDLNAAAPVVIMMVGLQGSGKTTTTGKI
AKRLTARDKKKVLMASLDTRRPAAQEQLRQLGVQTGVDTLPVIAGQSPTDIAARAVQAAK
LGGHDIVILDTAGRTHIDEPLMIEMAEIKRKSNPHEILLVADALTGQDAVNLARNFDERV
GITGLVLTRMDGDGRGGAALSMRAVTGKPIKLIGVGEKMDELEEFHPRRVADRILGMGDI
VSLVEKAAENIDAEKAAAMAAKMAKGKFDLNDLADQLQQMQKMGGMGGIMGLMPGMAGMK
DKMSAAGLDDSLFKRQLAIISSMTRAERANPDILKHSRKKRIASGSGTDASDINKLLKMH
RQMADMMKMMGGKGKGGMMKQMMGGLAGKMGLGGLSGGMPDLSKMDPKQLEALQKQAEAA
GLGKPGGGLPGLGGGLPGLGGGFPGLPGLPKKK