Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Function
Anion specific, the binding site has higher affinity for phosphate than chloride ions. Porin O has a higher affinity for polyphosphates (tripolyphosphate and pyrophosphate) while porin P has a higher affinity for orthophosphate.
Similarity
Belongs to the OprO/OprP family.
Sequence
MIRKHSLGFVASALALAVSAQAFAGTVTTDGADIVIKTKGGLEVATTDKEFSFKLGGRLQADYSRFDGFYTKNGNTADAAYFRRAFIELGGTAYKDWKYQINFDLSHNTGSSDNGYFDEASVTYTGFNPVNLKFGRFDPDFGLEKATSSKWVTAPERNAAYELADWINTHQDGMGAQVNSTLADMAYLSAGVSAKDADDSDGDSVKQFNFRGVFAPMHEAGNVLHVGVNYAYRDLDDTAFDSRIRPRLGMRGIATSGGNDAGDNGNRATFGGVSNSPAGSYKDDSVWGLEGAWAMGPFSAQAEYLARKLKADDNAYKDIKAKGYYAQLAYTLTGESRQYKLEGAKFDSVKPENKEIGAWEVFYRYDNIKVEDDNVVADTATREVGDTKAKAHNLGVNWYVNDAVKISAAYVKAKTDKITNNNGDDDGDGFVTRLQYVF