PDB Record
SCOP Classification
CATH Classification
Medline Article
Info about the porin, from the author of the article, in clearer english
Taxonomy definition on the NCBI site
Overview of porin structure/function
Definition of porin
Overview of Ion Channels, including bacterial porin
Rhodobacter information
(focuses on Rhodobacter sphaeroides instead of Rhodobacter capsulatus)
Porin Overview
More Porin Background
Tool for viewing membrane proteins