Table 1

Dataset classified based on OMP class
OMP class # of β-strands Total # of peptides OMP class found in # of organisms in different proteobacteria class Function/Protein family
α β γ δ ɛ
OMP.8 8 2300 71 77 227 24 10 Membrane anchors [15]
OMP.10 10 95 5 2 66 2 2 Bacterial proteases [16]
OMP.12 12 1550 60 75 212 18 10 Integral membrane enzymes [15]
OMP.14 14 572 47 38 221 20 22 Long chain fatty acid transporter [17]
OMP.16 16 2477 41 86 210 23 8 General porins [15]
OMP.18 18 327 2 14 134 7 1 Substrate specific porins [15]
OMP.22 22 7462 71 86 231 25 23 TonB-dependent receptors [15]
OMP.nn Not known 7591 71 86 231 26 23 -
OMP.hypo Not known 73 2 18 33 9 1 -

The OMP class of a protein was predicted by HHomp [14]. HHOmp defines the class based on the similarity to a closely related OMP structure. When HHomp cannot find a related structure, it classifies the proteins in OMP.nn. OMP.hypo proteins are hypothetical proteins [14].

Paramasivam et al.

Paramasivam et al. BMC Genomics 2012 13:510   doi:10.1186/1471-2164-13-510

Open Data