BioCarta.xml.gz - a machine readable version of the BioCarta database,
this used to be provided by NCI PID. The format is PID XML.

NCI-Nature_Curated.xml.gz - the NCI PID database in their native XML format. - a copy of the ArgDB database, one html page per interaction, 
in a single zip file.
      Name                      Last modified      Size  Description
Parent Directory - BioCarta.xml.gz 2017-06-04 23:00 216K NCI-Nature_Curated.xml.gz 2017-06-04 22:59 843K 2017-06-04 23:02 6.2M