[annotation] protein carrier heads up

[Valerie Wood]

The old term "protein carrier activity" had a definition whcih made it a 
transmembrane transporter "Catalysis of the transfer of proteins from 
one side of a membrane to the other" which made it a transmembrane 
transporter so it was renamed
"protein transmembrane transporter activity"

Quite a few of us have used the old term to annotate karyopherins (which 
was incorrect as the nucler membrane (i.e lipid bilayer) is not 
penetrated during transport through the nuclear pore).  These need 
moving to  protein transporter activity; GOid=GO:0008565;


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