Protein Info for GFF3635 in Xanthobacter sp. DMC5

Annotation: Type IV secretion system protein virB4

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 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 809 PF19044: P-loop_TraG" amino acids 628 to 726 (99 residues), 35.6 bits, see alignment E=4.6e-13

Best Hits

KEGG orthology group: K03199, type IV secretion system protein VirB4 (inferred from 85% identity to mpo:Mpop_3089)

Predicted SEED Role

"Conjugative transfer protein TrbE" in subsystem Type 4 secretion and conjugative transfer

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

Find the best match in UniProt

Protein Sequence (809 amino acids)

>GFF3635 Type IV secretion system protein virB4 (Xanthobacter sp. DMC5)
MMNLAEYRRHGSRLADYLPWAALVGPGIVLNKDGSFQRTARFRGPDLDSAVPAELVAVAG
RLNSAFRRLGSGWALFVEAQRHKAGAYPESLFPDPASALVDAERKAGFAEAGSHFESSYF
LTICWLPPAEDAARAERWLYEGHAREGVDPREALSAFVDRTDRVLRLVEAFMPECRWLGD
TDTLTYLHGCVSTRRQRVRVPETPMYLDALLADQPLTGGLEPMLGDHHLRVLTIVGFPTA
TTPGILDDLNRLAFPYRWSTRAILLDKTDATRLLTKIRRQWFAKRKSVAAILKEVMTNET
SVLVDSDAANKAEDADLALQELGADHAGIAYVTATATVWDADPRIADEKLRLVEKVIQGR
DFTAMVETINAVDAWLGSLPGHVYANVRQPPVSTLNLAHMIPLSAVWAGDEQDGHFSAPP
LFYGKTEGSTPFRFSLHVGDVGHTLVVGPTGAGKSVLLALMALQFRRYAGSQVFAFDFGG
SIRAAALAMGGDWHDLGGSLAEDSIALQPLARVDELSERSWAVDWIVAILTREGISITPE
VKEHIWSALSSLASAPVEERTLTGLAVLLQSNALKQALRPYCIGGAHGRLLDGEAEHLGQ
ASVQAFETEGLIGTSAAPAVLSYLFHRIEDRLDGSPTLLIIDEGWLALDDPGFAGQLREW
LKTLRKKNASVVFATQSLSDIDGSAIAPAIIESCQTRLLLPNERAVEPQITAIYRRFGLN
DRQIEILARATPKRDYYCQSRRGNRLLELGLSQVALALCAASSKTDQAALSQVFAEHGRD
GFLAAWLRHRGLGWAADLIPTLDNLETRS