TTLL11
(redirected from C9orf20)TTLL11
A gene on chromosome 9q33.2 that encodes a polyglutamylase which preferentially modifies alpha-tubulin. It is involved in the side-chain elongation step of polyglutamylation rather than in the initiation step.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.