Author: Gianpiero Pescarmona
Ions and molecules can cross the cell membrane with different mechanisms
Active and Passive Transport Animation
Arizona University - Membrane Transport
Comparative molecular biological analysis of membrane transport genes in organisms 2008
The SoLute Carrier group of membrane transport proteins include over 300 members organized into 47 families.
Transporter Classification database is an International Union of Biochemistry and Molecular Biology approved classification system for membrane transport proteins including ion channels.