You meant to type in porn on google but you made a typo and typed porb instead. You then saw the urban dictionary page which made you curious so you clicked on it. Now you are reading this.
Porb is a common search term in Google that is the result of fast lazy search typing when searching for adult content. Be sure to clear your browsing history as if porb comes up in history people will be suspicious.
The class 3 protein (PorB) is an important component of the meningococcal outer membrane. The structural gene (porB) encoding the class 3 protein has been cloned using primers suitable for the amplification of the corresponding chromosomal fragment by the polymerase chain reaction (PCR).