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traD

Gene
traD
Protein
Coupling protein TraD
Organism
Escherichia coli
Length
738 amino acids
Function
Conjugative DNA transfer (CDT) is the unidirectional transfer of ssDNA plasmid from a donor to a recipient cell. It is the central mechanism by which antibiotic resistance and virulence factors are propagated in bacterial populations. Couples the transferosome to a type IV secretion system. Probably forms a pore through which single-stranded plasmid DNA is transferred to the secretion system. Plasmid specificity is conferred by the TraD-TraM pair (By similarity).
Similarity
Belongs to the TrwB coupling protein family.
Mass
83.901 kDa
Sequence
MSFNAKDMTQGGQIASMRIRMFSQIANIMLYCLFIFFWILIGLVLWVKISWQTFINGCIYWWCTSLEGMRDLIKSQPVYEIQYYGKTFRMNAAQVLHDKYMIWCGEQLWSAFVLASVVALVICLITFFVVSWILGRQGKQQSENEVTGGRQLTDNPKDVARMLKKDGKDSDIRIGDLPIIRDSEIQNFCLHGTVGAGKSEVIRRLANYARQRGDMVVIYDRSGEFVKSYYDPSIDKILNPLDARCAAWDLWKECLTQPDFDNTANTLIPMGTKEDPFWQGSGRTIFAEAAYLMRNDPNRSYSKLVDTLLSIKIEKLRTFLRNSPAANLVEEKIEKTAISIRAVLTNYVKAIRYLQGIEHNGDPFTIRDWMRGVREDQKNGWLFISSNADTHASLKPVISMWLSIAIRGLLAMGENRNRRVWFFCDELPTLHKLPDLVEILPEARKFGGCYVFGIQSYAQLEDIYGEKAAATLFDVMNTRAFFRSPSHKIAEFAAGEIGEKEHLKASEQYSYGADPVRDGVSTGKDMERQTLVSYSDIQSLPDLTCYVTLPGPYPAVKLSLKYQARPKVAPEFIPRDINPEMENRLSAVLAAREAEGRQMASLFEPEVASGEDVTQAEQPQQPQQPQQPQQPQQPQQPQQPQQPQQPVSSVINDKKSDAGVSVPAGGIEQELKMKPEEEMEQQLPPGISESGEVVDMAAYEAWQQENHPDIQQHMQRREEVNINVHRERGEDVEPGDDF

Gene
traD
Protein
Coupling protein TraD
Organism
Escherichia coli (strain K12)
Length
717 amino acids
Function
Conjugative DNA transfer (CDT) is the unidirectional transfer of ssDNA plasmid from a donor to a recipient cell. It is the central mechanism by which antibiotic resistance and virulence factors are propagated in bacterial populations. Couples the transferosome to a type IV secretion system. Probably forms a pore through which single-stranded plasmid DNA is transferred to the secretion system. The last 37 residues are important for determining plasmid specificity and transfer efficiency, with additional specificity conferred by the TraD-TraM pair.
Similarity
Belongs to the TrwB coupling protein family.
Mass
81.489 kDa
Sequence
MSFNAKDMTQGGQIASMRIRMFSQIANIMLYCLFIFFWILVGLVLWIKISWQTFVNGCIYWWCTTLEGMRDLIKSQPVYEIQYYGKTFRMNAAQVLHDKYMIWCSEQLWSAFVLAAVVALVICLITFFVVSWILGRQGKQQSENEVTGGRQLTDNPKDVARMLKKDGKDSDIRIGDLPIIRDSEIQNFCLHGTVGAGKSEVIRRLANYARQRGDMVVIYDRSGEFVKSYYDPSIDKILNPLDARCAAWDLWKECLTQPDFDNTANTLIPMGTKEDPFWQGSGRTIFAEAAYLMRNDPNRSYSKLVDTLLSIKIEKLRTYLRNSPAANLVEEKIEKTAISIRAVLTNYVKAIRYLQGIEHNGEPFTIRDWMRGVREDQKNGWLFISSNADTHASLKPVISMWLSIAIRGLLAMGENRNRRVWFFCDELPTLHKLPDLVEILPEARKFGGCYVFGIQSYAQLEDIYGEKAAASLFDVMNTRAFFRSPSHKIAEFAAGEIGEKEHLKASEQYSYGADPVRDGVSTGKDMERQTLVSYSDIQSLPDLTCYVTLPGPYPAVKLSLKYQTRPKVAPEFIPRDINPEMENRLSAVLAAREAEGRQMASLFEPDVPEVVSGEDVTQAEQPQQPVSPAINDKKSDSGVNVPAGGIEQELKMKPEEEMEQQLPPGISESGEVVDMAAYEAWQQENHPDIQQQMQRREEVNINVHRERGEDVEPGDDF

Gene
traD
Protein
Protein TraD
Organism
Escherichia coli
Length
129 amino acids
Similarity
To plasmid IncP-alpha RP4 TraD.
Mass
13.601 kDa
Sequence
MNEQTTTNTAAHDEPLAVLPPVDDDAAGREAVREKMADALTPGFQVEFDPDEAERVGAFVEDALSEQDAAASGDDLVEVDGALEPAFLDDEGPSADIPPFITTTNARELYDLRPGETVAQAAARKASEG

Gene
traD
Protein
Protein TraD
Organism
Escherichia coli
Length
87 amino acids
Similarity
To plasmid R751 TraD.
Mass
9.219 kDa
Sequence
MNDPKTVQQDDFAPFDDTANAAAALREKLADAMTPGFQVEFDPEEAEKAGAFPEDALSEQDAAESDIDLVDATVPEDTTTAAANDGR

Gene
traD
Protein
Conjugal transfer protein TraD
Organism
Agrobacterium fabrum (strain C58 / ATCC 33970)
Length
71 amino acids
Similarity
Belongs to the TraD family.
Mass
7.842 kDa
Sequence
MAKSMTSNARKKDTREKIELGGLIVKAGLRYEKRALLLGLLVDGGRRLKGDEEERSRLTAIGAEAFGHDDE

Gene
traD
Protein
Conjugal transfer protein TraD
Organism
Rhizobium radiobacter
Length
71 amino acids
Similarity
Belongs to the TraD family.
Mass
7.885 kDa
Sequence
MSKAMTSDARKKDTREKIELGGLIVKAGLRYEKRALLLGLLIDGERRLKGDEDERSRLTAIGVEAFGHDGE

Gene
traD
Protein
Probable conjugal transfer protein TraD
Organism
Sinorhizobium fredii (strain NBRC 101917 / NGR234)
Length
71 amino acids
Similarity
Belongs to the TraD family.
Mass
7.773 kDa
Sequence
MARSATSDARKKDTREKIELGGLIVKAGLRYEKRVLLLGALVDLSRRLNSDESERARLIAIGAEAFGDDGE