Aktinu srodni protein 3B, znan i kao ARP3-beta je protein koji je kod ljudi kodiran genomACTR3B.[4]Pseudogeni ovog gena nalaze se na hromosomima 2, 4, 10, 16, 22 i Y-u. Alternativna prerada rezultira višestrukim varijantama transkripta i izoformama proteina.[4]
Ovaj gen kodira člana onih proteina koji su povezani s aktinom (ARP), koji tvore multiproteinske komplekse i dijele 35-55% aminokiselinskog identiteta s konvencijskim aktinom. Protein kojeg kodira ovaj gen može imati regulatornu ulogu u aktinskom citoskeletu i inducirati promjeni oblika i pokretljivosti ćelije.[4]
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Shindo-Okada N, Iigo M (Dec 2003). "Expression of the Arp11 gene suppresses the tumorigenicity of PC-14 human lung adenocarcinoma cells". Biochemical and Biophysical Research Communications. 312 (4): 889–96. doi:10.1016/j.bbrc.2003.10.200. PMID14651955.
Shindo-Okada N, Shimizu K (Jan 2001). "Isolation of a novel actin-related gene expressed in low-metastatic PC-14 human lung adenocarcinoma". Biochemical and Biophysical Research Communications. 280 (1): 61–7. doi:10.1006/bbrc.2000.4059. PMID11162478.
