IQSEC2
IQ motif and Sec7 domain 2 is a protein that in humans is encoded by the IQSEC2 gene. Function 

The IQSEC2 gene encodes a guanine nucleotide exchange factor for the ARF family of GTP-binding proteins (see for example ARF1). Clinical significance 

It is associated with X-Linked mental retardation 1. References

Further reading

Human proteins