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Table 1 Loci for the PabI family of RM systems in Helicobacter and Campylobacter

From: Transmission of the PabI family of restriction DNA glycosylase genes: mobility and long-term inheritance

Locus Upstream gene Downstream gene
H-1 Hypothetical protein containing ankyrin repeats Multidrug transporter MatE/RelE-family toxin
H-2 Adenylosuccinate lyase Hypothetical protein
H-3 GMP synthase Poly A polymerase/Methionyl-tRNA formyltransferase
H-4 Shikimate 5-dehydrogenase DNA polymerase III subunit delta/Hypothetical protein
H-5 Glutamate synthase large chain Glutamate synthase small chain
H-6 ABC transporter permease TetR family transcriptional regulator
H-7 ABC transporter ATP-binding protein MFS transporter
H-8 Argininosuccinate synthase Long-chain fatty acid transport protein
H-9 DNA gyrase B Outer membrane protein 8/Outer membrane protein
C-1 GMP synthase (No sequence information)
C-2 Imidazole glycerol-phosphate dehydratase Imidazole glycerol phosphate synthase
C-3 Carbamoyl phosphate synthase large subunit COG0009 Putative translation factor (SUA5)
C-4 Adenylosuccinate lyase Ribonucleotide reductase of class Ia (aerobic), alpha subunit
C-5 RelE family toxin Hypothetical protein with DUF4279
  1. The closest genes that are not components of RM system are shown. In cases of more than two gene arrangements in the same group, two genes are shown, divided by a slash (/). H-1 to H-9 are in Helicobacter, C-1 to C-5 in Campylobacter. Orthologous genes seen in different locus groups are italicized (H-2, H-3, C-1 and C-4)