Article
Novel compound heterozygous DPH1 mutations in a patient with the unique clinical features of airway obstruction and external genital abnormalities.
Journal of human genetics - 1 Apr 2018
Nakajima Junya, Oana Shingo, Sakaguchi Tomohiro, Nakashima Mitsuko, Numabe Hironao, Kawashima Hisashi, Matsumoto Naomichi, Miyake Noriko
Abstract excerpt
The diphthamide biosynthesis 1 (DPH1) gene encodes one of the essential components of the enzyme catalyzing the first step of diphthamide formation on eukaryotic elongation factor 2 (EEF2). Diphthamide is the posttranslationally modified histidine residue on EEF2 that promotes protein chain elongation in the ribosome. DPH1 defects result in a failure of protein synthesis involving EEF2, leading to growth defects,...
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