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). It is a sugar-selective porin (Bae et al. 2018).

Bacteria
Proteobacteria
OprB of Xanthomonas citri pv. mangiferaeindicae