Additional file 2: Comparison of the outer membrane proteins identified in this study with that reported by Coldham & Woodward and Molloy et al.

Protein / Name / Found in Coldham & Woodward [20] / Found in Molloy et al [13] / Found in this study
FliC / Flagellin / ü / ü
OmpA / Putative hydrogenase, membrane component / ü / ü / ü
NmpC / New outer membrane protein; predicted bacterial porin / ü
SlyB / Putative outer membrane lipoprotein / ü / ü / ü
OmpC / Outer membrane protein 1b (ib;c), porin / ü / ü / ü (1 peptide)
NlpB / Lipoprotein-34 / ü / ü / ü
Pal / Tol protein required for outer membrane integrity, uptake of group Ac / ü / ü / ü
YaeT / Putative outer membrane antigen / ü / ü
YiaF / Putative outer membrane lipoprotein / ü
TolC / Outer membrane channel; specific tolerance to colicin E1 / ü / ü / ü
HlpA / Histone-like protein, located in outer membrane / ü
YbhC / Putative pectinesterase / ü / ü / ü
Imp / Organic solvent tolerance protein / ü / ü
Tsx / Nucleoside channel; receptor of phage T6 and colicin K / ü / ü / ü
LamB / Phage ì receptor protein; maltose high-affinity receptor / ü / ü / ü
OmpS / Putative porin / ü
YiaD / Putative outer membrane lipoprotein / ü / ü
YedD / Putative outer membrane lipoprotein / ü / ü
YjeI / Putative outer membrane lipoprotein / ü / ü (1 peptide)
OmpF / Outer membrane protein 1a (ia;b;f), porin / ü / ü
BtuB / Outer membrane receptor for transport of vitamin B12, E colicins / ü / ü / ü
FhuA / Outer membrane protein receptor/transporter for ferrichrome, colicin / ü / ü
SopB / Salmonella outer protein: homologous to ipgD of Shigella / ü / ü (1 peptide)
MltA / Membrane-bound lytic murein transglycosylase A / ü
FadL / Transport of long-chain fatty acids; sensitivity to phage T2 / ü / ü / ü
InvG / Invasion protein; outer membrane / ü
VacJ / Lipoprotein precursor / ü / ü
YaeC / Putative outer membrane lipoprotein / ü
YifL / Putative outer membrane lipoprotein / ü / ü (1 peptide)
STM1607 / Putative outer membrane lipoprotein / ü / ü
YmbA / Putative outer membrane protein / ü / ü
FepA / Outer membrane porin, receptor for ferric enterobactin / ü / ü
Slp / Putative outer membrane protein / ü / ü / ü
YhfL / Putative outer membrane lipoprotein / ü
FimD / Outer membrane usher protein / ü
LolB / Outer-membrane lipoprotein lolB precursor / ü
Lpp1 / Major outer membrane lipoprotein 1 precursor / ü
Lpp2 / Major outer membrane lipoprotein 2 precursor / ü
MetQ / D-methionine-binding lipoprotein metQ precursor / ü
MltB / Membrane-bound lytic murein transglycosylase B / ü
MltC / Membrane-bound lytic murein transglycosylase C precursor / ü
NlpD / Lipoprotein / ü
NlpI / Lipoprotein, cell division / ü
OmpD / Outer membrane porin protein ompD precursor / ü
OmpW / Outer membrane protein W precursor / ü / ü
OmpX / Outer membrane protease, receptor for phage OX2 / ü / ü
OsmE / Osmotically inducible lipoprotein E / ü / ü
RcsF / RcsF protein / ü
RlpA / Minor lipoprotein / ü
RlpB / LPS-assembly lipoprotein rlpB precursor / ü
Skp / Chaperone protein skp precursor / ü
Ssb / Single-stranded DNA-binding protein / ü
STM0920 / Fels-1 prophage attachment and invasion protein / ü
STM2447 / Putative outer membrane lipoprotein / ü
STM3038 / Putative metalloendopeptidase / ü
TraT / Conjugative transfer: surface exclusion / ü
YajG / Putative lipoprotein / ü
YajI / Putative lipoprotein / ü
YbaY / Conserved hypothetical lipoprotein / ü
YbjP / Putative lipoprotein / ü / ü
YbjR / Putative aminidase / ü
YceB / Putative outer membrane lipoprotein / ü
YcfM / Putative lipoprotein / ü
YfgL / Putative lipoprotein / ü
YfiO / Putative lipoprotein / ü
YggG / Putative uncharacterized protein yggG / ü
YjfO / Putative exported protein / ü
YraM / Paral putative transglycosylase / ü
YraP / Paral putative periplasmic protein / ü
YtfM / Putative exported protein / ü
EcnB / Entericidin B / ü (1 peptide)
EnvE / Putative lipoprotein / ü (1 peptide)
FimH / Fimbrial subunit / ü (1 peptide)
MipA / Putative outer membrane protein / ü (1 peptide)
OsmB / Osmotically inducible lipoprotein B / ü (1 peptide)
PagP / Antimicrobial peptide resistance and lipid A acylation protein / ü (1 peptide)
SmpA / Small membrane protein A / ü (1 peptide)
STM1940 / Putative cell wall-associated hydrolase / ü (1 peptide)
YaoF / Putative hemolysin / ü (1 peptide)
YgdI / Putative lipoprotein / ü (1 peptide)
YgdR / Possible lipoprotein / ü (1 peptide)
FhuE / FhuE receptor / ü
CirA / Colicin I receptor / ü
YbiL / Catecholate siderophore receptor fiu / ü
AG43 (beta) / Antigen 43 beta chain / ü
AG43 (alpha) / Antigen 43 alpha chain / ü
OmpT / Protease 7 / ü
OmpP / Outer membrane protease ompP / ü
Pa1 / Phospholipase A1 / ü
YeaF / MltA-interacting protein / ü
UP05 / Unknown protein / ü