Table 1.

Substrate-binding proteins of ABC-type transporters that have similarity to OppA-1 of B. burgdorferi

ProteinaOrganism or plasmidSubstrateNo. of residues% Identity to OppA-1% Similarity to OppA-1bReference(s)
OppA Salmonella typhimurium Oligopeptide5423341 41
OppA Escherichia coli Oligopeptide5433240 45
DppE (DciAE) Bacillus subtilis Dipeptide5433039 54
PrgZpCF10 (Enterococcus faecalis)Peptide pheromone5453037 67
TraCpPD1 (E. faecalis)Peptide pheromone5452938 55
TraCpAD1 (E. faecalis)Peptide pheromone5432835 79
OppA (Spo0KA) B. subtilis Oligopeptide5452838 62,66
DppA E. coli Dipeptide5352636 2, 58
Has Streptococcus equisimilis Hyaluronate5222633 49
HbpA Haemophilus influenzae Heme5472533 36
NikA E. coli Nickel5242533 56
AliA (PlpA) Streptococcus pneumoniae Oligopeptide6602333 4,61
SapA S. typhimurium Oligopeptide5492333 59
AliB S. pneumoniae Oligopeptide6522332 4
AppA B. subtilis Oligopeptide5432331 46
AccApTiC58 (Agrobacterium tumefaciens)Agrocinopine5212132 39
SapA H. influenzae Unknown5652130 27
AmiA S. pneumoniae Oligopeptide6592031 5
OppA Lactococcus lactis Oligopeptide6001827 80
XP55 Streptomyces lividans Unknown5421827 15
  • a Listed in order of percent identity to OppA-1.

  • b Determined by allowing conservative amino acid substitutions.