Noonan syndrome 12

Summary
Synonym
  • NS12
Definition
A Noonan syndrome characterized by macrocephaly, facial anomalies including hypertelorism, downslanting palpebral fissures, and low-set ears, and other Noonan syndrome features that has_material_basis_in heterozygous mutation in the RRAS2 gene on chromosome 11p15.2.
Super Class
Noonan syndrome autosomal dominant disease
Disease Ontology
DOID:0112170
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
22800 RRAS2 RAS related 2
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
P62070 Ras-related protein R-Ras2
The Human Phenotype Ontology
Displaying entries 41 - 50 of 91 in total
HPO ID HPO Term
HP:0001743 Abnormality of the spleen
HP:0001892 Abnormal bleeding
HP:0001928 Abnormality of coagulation
HP:0002162 Low posterior hairline
HP:0002167 Abnormality of speech or vocalization
HP:0002208 Coarse hair
HP:0002240 Hepatomegaly
HP:0002650 Scoliosis
HP:0002750 Delayed skeletal maturation
HP:0002974 Radioulnar synostosis
Displaying all 3 entries
Gene ID Gene Symbol Description
22800 RRAS2 RAS related 2
3845 KRAS KRAS proto-oncogene, GTPase
4893 NRAS NRAS proto-oncogene, GTPase

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: December 8, 2025