Trafficking Protein Particle Complex Subunit 4

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Trafficking protein particle complex subunit 4 (219 aa, ~24 kDa) is encoded by the human TRAPPC4 gene. This protein plays a role in endoplasmic reticulum to Golgi transport, the regulation of autophagy and guanine nucleotide exchange factor activity for Rab1 GTPase.

**Synonyms:** - Hematopoietic Stem/Progenitor Cell Protein 172 - Synbindin - TRAPPC4 - TRS23 Homolog