Keywords: Membrane protein.png en wikibooks Adrignola CommonsHelper 2008-12-02 Meng-jou wu wikibooks en b English Wikibooks Meng-jou wu original upload log page en wikibooks Membrane_protein png 2008-12-02 19 06 Meng-jou wu 438×362× 43234 bytes <nowiki></nowiki> Membrane proteins |