oriTDB
The information of the oriT region
oriTDB accession number 100009
Name oriT_R1162  experimental
Sequence Completeness intact
oriT length 160 nt
oriT sequence GGCCAGTTTCTCGAAGAGAAACCGGTAAATGCGCCCTCCCCTACAAAGTAGGGTCGGGAT TGCCGCCGCTGTGCCTCCATGATAGCCTACGAGACAGCACATTAACAATGGGGTGTCAAG ATGGTTAAGGGGAGCAACAAGGCGGCGGATCGGCTGGCCA
IR (inverted repeat)IR1: [3-12] [16-25] nt  (CCAGTTTCTC..GAGAAACCGG)
IR2: [39-44] [48-53] nt  (CCCTAC..GTAGGG)
Location of nic site [33-34] nt
Conserved sequence flanking the
  nic site
TAAATGCG|CCCT
Note _
L:3-12;R:16-25;L:39-44;R:48-53;D:33-34
Visualization of oriT structure (The oriT was characterized experimentally)
Reference
[1] Meyer R (2009) The R1162 mob proteins can promote conjugative transfer from cryptic origins in the bacterial chromosome. J Bacteriol. 191(5):1574-80. [PMID:19074386]
[2] de la Cruz F et al (2010) Conjugative DNA metabolism in Gram-negative bacteria. FEMS Microbiol Rev. 34(1):18-40. [PMID:19919603]
[3] Brasch MA et al (1986) Genetic organization of plasmid R1162 DNA involved in conjugative mobilization. J Bacteriol. 167(2):703-10. [PMID:3525520]
[4] Zhang S et al (1997) The relaxosome protein MobC promotes conjugal plasmid mobilization by extending DNA strand separation to the nick site at the origin of transfer. Mol Microbiol. 25(3):509-16. [PMID:9302013]
[5] Jandle S et al (2006) Stringent and relaxed recognition of oriT by related systems for plasmid mobilization: implications for horizontal gene transfer. J Bacteriol. 188(2):499-506. [PMID:16385040]
[6] Becker EC et al (2003) Relaxed specificity of the R1162 nickase: a model for evolution of a system for conjugative mobilization of plasmids. J Bacteriol. 185(12):3538-46. [PMID:12775691]
[7] Parker C et al (2005) Elements in the co-evolution of relaxases and their origins of transfer. Plasmid . 53(2):113-8. [PMID:15737398]
I. Information of Relaxase
ID 8
Name MobA_R1162 experimental
GenBank accession number P07112
Family MOBQ
Length 709 aa
UniProt ID P07112
PDB ID 2NS6
Pfam
Note to recognize the conserved nick region sequence
Protein sequence [Download] MAIYHLTAKTGSRSGGQSARAKADYIQREGKYARDMDEVLHAESGHMPEFVERPADYWDA
ADLYERANGRLFKEVEFALPVELTLDQQKALASEFAQHLTGAERLPYTLAIHAGGGENPH
CHLMISERINDGIERPAAQWFKRYNGKTPEKGGAQKTEALKPKAWLEQTREAWADHANRA
LERAGHDARIDHRTLEAQGIERLPGVHLGPNVVEMEGRGIRTDRADVALNIDTANAQIID
LQEYREAIDHERNRQSEEIQRHQRVSGADRTAGPEHGDTGRRSPAGHEPDPAGQRGAGGG
VAESPAPDRGGMGGAGQRVAGGSRRGEQRRAERPERVAGVALEAMANRDAGFHDAYGGAA
DRIVALARPDATDNRGRLDLAALGGPMKNDRTLQAIGRQLKAMGCERFDIGVRDATTGQM
MNREWSAAEVLQNTPWLKRMNAQGNDVYIRPAEQERHGLVLVDDLSEFDLDDMKAEGREP
ALVVETSPKNYQAWVKVADAAGGELRGQIARTLASEYDADPASADSRHYGRLAGFTNRKD
KHTTRAGYQPWVLLRESKGKTATAGPALVQQAGQQIEQAQRQQEKARRLASLELPERQLS
RHRRTALDEYRSEMAGLVKRFGDDLSKCDFIAAQKLASRGRSAEEIGKAMAEASPALAER
KPGHEADYIERTVSKVMGLPSVQLARAELARAPAPRQRGMDRGGPDFSM
Reference
[1] Meyer R (2009) The R1162 mob proteins can promote conjugative transfer from cryptic origins in the bacterial chromosome. J Bacteriol. 191(5):1574-80. [PMID:19074386]
[2] de la Cruz F et al (2010) Conjugative DNA metabolism in Gram-negative bacteria. FEMS Microbiol Rev. 34(1):18-40. [PMID:19919603]
[3] Brasch MA et al (1986) Genetic organization of plasmid R1162 DNA involved in conjugative mobilization. J Bacteriol. 167(2):703-10. [PMID:3525520]
[4] Parker C et al (2007) The R1162 relaxase/primase contains two, type IV transport signals that require the small plasmid protein MobB. Mol Microbiol. 66(1):252-61. [PMID:17880426]
[5] Zhang S et al (1997) The relaxosome protein MobC promotes conjugal plasmid mobilization by extending DNA strand separation to the nick site at the origin of transfer. Mol Microbiol. 25(3):509-16. [PMID:9302013]
[6] Jandle S et al (2006) Stringent and relaxed recognition of oriT by related systems for plasmid mobilization: implications for horizontal gene transfer. J Bacteriol. 188(2):499-506. [PMID:16385040]


II. Auxiliary DNA-binding protein(s) of the relaxosome
# ID Name GenBank Length Note
1 14 MobB_R1162 experimental _ _ MobB_R1162 stabilizes the relaxase at oriT. R1162 encodes two small proteins required for efficient transfer: MobB (MW 15,115) and MobC (MW 10,885).
2 15 MobC_R1162 experimental _ _ R1162 encodes two small proteins required for efficient transfer: MobB (MW 15,115) and MobC (MW 10,885).
 N/A
Information of plasmid
ID 8
Plasmid name R1162
GenBank accession number M13380.1
Incompatibility group IncQ1
Genome size 8.9 kb
Coordinate of oriT  [Strand] 111..270 [+]
Drug resistance experimental resistance to sulfonamides and streptomycin
Heavy-metal resistance _
Virulence factor _
Xenobiotic degradation _
Host bacterium [NCBI Taxonomy ID] Pseudomonas aeruginosa [287]
Reference
[1] Barth PT et al (1974) Comparison of the deoxyribonucleic acid molecular weights and homologies of plasmids conferring linked resistance to streptomycin and sulfonamides. J Bacteriol. 120(2):618-30. [PMID:4616941]