TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
*1.B.19.1.1









Cation-selective, glucose-inducible glucose-transporting porin (also transports glycerol, mannitol, fructose, maltose, pentoses, etc.) (Adewoye and Worobec 1999).

Bacteria
Proteobacteria
OprB porin of Pseudomonas aeruginosa
*1.B.19.1.2









The quorum sensing acyl homoserine lactone porin, OprB
Bacteria
Proteobacteria
OprB of Burkholderia pseudomallei (EBA45175)
*1.B.19.1.3









Carbohydrate-selective porin OprB (Shrivastava et al., 2011).  The high resolution 3-d structure reveals a 16 β-TMS barrel with a constriction explaining the preference of this porin for monosaccharides over disaccharides (van den Berg 2012).

Bacteria
Proteobacteria
OprB of Pseudomonas putida (B0KPQ1)
*1.B.19.1.4









OprB homologue

Bacteria
Cyanobacteria
OprB homologue of Prochlorococcus marinus (A2CB33)
*1.B.19.1.5









OprB homologue

Bacteria
Proteobacteria
OprB homologue of Rhodomicrobium vannielii (E3I261)
*1.B.19.1.6









OprB homologue 

Bacteria
Planctomycetes
OprB homologue of Planctoymyces maris (A6C291)
*1.B.19.1.7









OprB homologue

Bacteria
Planctomycetes
OprB homologue of Rhodopirellula baltica
*1.B.19.1.8









Putative porin OprB

Bacteria
Fibrobacteres/Acidobacteria group
OprB of Acidobacterium capsulatum
*1.B.19.1.9









Porin of 425 aas, OprB, required for virulence and biofilm formation (Ficarra et al. 2016).

Bacteria
Proteobacteria
OprB of Xanthomonas citri pv. mangiferaeindicae