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WDR44

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WD repeat-containing protein 44 (WDR44) is a human gene that makes a protein of the WD repeat family. It is located on the X chromosome (region Xq24) and spans about 118.35 to 118.45 million bases. The gene has several aliases, including RAB11BP, RPH11 and SYM-4. In mice, the ortholog is also on the X chromosome (band X|X A2).

The WDR44 protein is part of the WD repeat protein family, which is involved in various cellular processes such as signaling and trafficking. WDR44 is expressed in many tissues. In humans, it shows high expression in buccal mucosa cells, the Achilles tendon, the corpus callosum, testis, germinal epithelium, gingival epithelium, endothelial cells, the internal globus pallidus, and tibia. In mice, high expression is reported in the lumbar spinal ganglion, aortic valve, ascending aorta, several muscles (thigh, triceps brachii, temporal, vastus lateralis), the epithelium of the small intestine, and blood granulocytes.

Database references include Ensembl IDs ENSG00000131725 (human) and ENSMUSG00000036769 (mouse); UniProt IDs Q5JSH3 (human) and Q6NVE8 (mouse).


This page was last edited on 2 February 2026, at 09:15 (CET).