| Date | Panel | Item | Activity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Microcephaly v1.96 | NAA20 | Zornitza Stark Marked gene: NAA20 as ready | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.96 | NAA20 | Zornitza Stark Gene: naa20 has been classified as Green List (High Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.96 | NAA20 | Zornitza Stark Phenotypes for gene: NAA20 were changed from Autosomal recessive developmental delay, intellectual disability, and microcephaly to Intellectual developmental disorder, autosomal recessive 73, MIM# 619717 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.95 | NAA20 | Zornitza Stark reviewed gene: NAA20: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Intellectual developmental disorder, autosomal recessive 73, MIM# 619717; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.88 | NAA20 | Chirag Patel Classified gene: NAA20 as Green List (high evidence) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.88 | NAA20 | Chirag Patel Gene: naa20 has been classified as Green List (High Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.87 | NAA20 |
Chirag Patel gene: NAA20 was added gene: NAA20 was added to Microcephaly. Sources: Literature Mode of inheritance for gene: NAA20 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: NAA20 were set to PMID: 34230638 Phenotypes for gene: NAA20 were set to Autosomal recessive developmental delay, intellectual disability, and microcephaly Review for gene: NAA20 was set to GREEN Added comment: 2 consanguineous families with 5 affected individuals with developmental delay, intellectual disability, and microcephaly (-2-4SD). Exome and genome sequencing identified 2 different homozygous variants in NAA20 gene (p.Met54Val and p.Ala80Val), and segregated with affected individuals. N-terminal acetyltransferases modify proteins by adding an acetyl moiety to the first amino acid and are vital for protein and cell function. The NatB complex acetylates 20% of the human proteome and is composed of the catalytic subunit NAA20 and the auxiliary subunit NAA25. Both NAA20-M54V and NAA20-A80V were impaired in their capacity to form a NatB complex with NAA25, and in vitro acetylation assays revealed reduced catalytic activities toward different NatB substrates. Sources: Literature |
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