锤子
ADP核糖基化因子结合蛋白2抗体 Background: ARFIP2 is a ubiquitously expressed protein implicated in mediating cross talk between RAC and ARF small GTPases. It has been shown that ARFIP2 binds specifically to GTP-bound ARF1 and ARF6, but binds to Rac-GTP and Rac-GDP with similar affinities. The X-ray structure of arfaptin reveals an elongated, crescent-shaped dimer of 3-helix coiled-coils. Structures of arfaptin with Rac bound to either GDP or the slowly hydrolysable analog GMPPNP show that the switch regions adopt similar conformations in both complexes. Also known as: ARFIP2; arfaptin 2; ADP-ribosylation factor interacting protein 2; Partner of RAC1; POR1; ARFP2_HUMAN .
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