oriTDB
I. Information of Relaxase
ID 1
Name TraI_RP4 experimental
GenBank accession number CAA38336
Family MOBP
Length 732 aa
UniProt ID Q00191
PDB ID _
Pfam Relaxase [PF03432.13], Evalue: 7.90E-67, Aligned region: 12..252
Note relaxase; to recognize the conserved nick region sequence
Protein sequence [Download] MIAKHVPMRSIKKSDFAELVKYITDEQGKTERLGHVRVTNCEANTLPAVMAEVMATQHGN
TRSEADKTYHLLVSFRAGEKPDAETLRAIEDRICAGLGFAEHQRVSAVHHDTDNLHIHIA
INKIHPTRNTIHEPYRAYRALADLCATLERDYGLERDNHETRQRVSENRANDMERHAGVE
SLVGWIKRECLPELQAAQSWEDLHRVLRENGLKLRERGNGFIFEAGDGTTVKASTVSRDL
SKPKLEARFGAFTPAEGGEAPRRREYRAKPLKTRIDTTELYARYQSERQEMGAVRKGELD
TLRRRRDRLIEAAMRSNRLRRAAIKLLGEGRIAKRLMYAQAHKALRADLDKINREYRQGR
QAVQERTQRRAWADWLKAEAMKGDDKALAALRAREGRSDLKGNTIQGSGEAKPGHAAVTD
NITKKGTIIYRVGSSAVRDDGDRLQVSREATTDGLDAALRLAMERFGDRITVNGTAEFKE
RIAQAAAAGRLAITFDDAALERRRQELLTKEQAHEQPERNDGRRDRGGDGGIRPAAARTT
LNATGGDGDRRDARAVSAGGTVALRKPNVGRIGRKPPPQSQNRLRALSQLGVVRIAGGAE
MLLPRDVPGHVEQQGAEPAHALRRGVSGPGRGLKPEQIAAAEKYVAEREQKRLNGFDIPK
HARYTDYVGALSYAGTRNVEDQALALLRKENDEILVLPVDKATVQRMKRLAIGDPVTVTP
RGSLKTTRGRSR
Reference
[1] Pansegrau W et al (1988) The origin of conjugative IncP plasmid transfer: interaction with plasmid-encoded products and the nucleotide sequence at the relaxation site. Biochim Biophys Acta. 951(2-3):365-74. [PMID:2850014]
[2] Pansegrau W et al (1993) Relaxase (TraI) of IncP alpha plasmid RP4 catalyzes a site-specific cleaving-joining reaction of single-stranded DNA. Proc Natl Acad Sci U S A. 90(7):2925-9. [PMID:8385350]
[3] Grahn AM et al (2000) Components of the RP4 Conjugative Transfer Apparatus Form an Envelope Structure Bridging Inner and Outer Membranes of Donor Cells: Implications for Related Macromolecule Transport Systems. J Bacteriol. 182(6):1564-74. [PMID:10692361]
[4] Pansegrau W et al (1990) In vitro assembly of relaxosomes at the transfer origin of plasmid RP4. Proc Natl Acad Sci U S A. 87(17):6555-9. [PMID:2168553]

II. Auxiliary DNA-binding protein(s) of the relaxosome
# ID Name GenBank Length Note
1 1 TraJ_RP4 experimental CAA38338 123 aa to specifically bind to the nick site-proximal arm of the 19-bp inverted repeat sequence
2 2 TraH_RP4 experimental CAA38335 119 aa The role of TraH is to stabilize the initialcomplex of form I oriT DNA, TraJ, and TraI by specific protein-protein interactions
3 3 TraK_RP4 experimental CAA38339 134 aa TraK oriT binding protein