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Expanding the Regulatory Repertoire of GEFs

Model of the guanine nucleotide exchange factor (GEF) BRAG2 bound to membrane-anchored Arf GTPase.

Cyan – BRAG2 PH domain, yellow – linker, purple – BRAG2 Sec7 domain, gray – Arf.

doi: https://doi.org/10.1371/journal.pbio.1001654.g001