9.B.190 The Putative Beta Barrel Porin-8 (BBP8) Family The BBP8 family consist of probable porin proteins with an N-terminal leader α-TMS followed by 20 - 28 putative transmembrane β-strands. They were obtained as distant homologues of the putative porins in families 5.B.8 and 1.B.80, but homology was not estabilshed.
Examples:
TC#	Name	Organismal Type	Example
9.B.190.1.1	Putative porin of 541 aas and 21 predicted β-strands		PP of Paludibacter propionicigenes

9.B.190.1.2	Putative porin of 538 aas and 28 predicted β-strand		PP of Caldithrix abyssi

9.B.190.1.3	Putative porin of 571 aas and 20 β-strand		PP of Koribacter versatilis