PSI-MI XML

General description
This page describes the PSI-MI XML file format, also known as MIF. The PSI MI format is a data exchange format for molecular interactions.

The file format is described at the HUPO Proteomics Standards Initiative site, see the specification. The current version is 2.5.

Released December 5, 2005; last maintenance update June 1, 2006, to version 2.5.3.

Identification
The newer OBO file type appears to be .obo; previously DAG file types of .dag and .def were used. 