GRAP

Chr 17

GRB2 related adaptor protein

Also known as: DFNB114

This gene encodes a member of the GRB2/Sem5/Drk family and functions as a cytoplasmic signaling protein which contains an SH2 domain flanked by two SH3 domains. The SH2 domain interacts with ligand-activated receptors for stem cell factor and erythropoietin, and facilitates the formation of a stable complex with the BCR-ABL oncoprotein. This protein also associates with the Ras guanine nucleotide exchange factor SOS1 (son of sevenless homolog 1) through its N-terminal SH3 domain. In general, it couples signals from receptor and cytoplasmic tyrosine kinases to the Ras signaling pathway. [provided by RefSeq, Jul 2012]

ResearchGenerating clinical summary…

Primary Disease Associations & Inheritance

UniProtDeafness, autosomal recessive, 114

Clinical highlights

Gene-disease validity (ClinGen)
nonsyndromic genetic hearing loss · ARLimitednot for standalone diagnostic reporting
0
Active trials
9
Pubs (1 yr)
P/LP submissions
P/LP missense
1.22
LOEUF
Multiple*
Mechanism· predicted
Some data sources returned errors (1)

omim: Error: OMIM fetch failed: 429

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
1.22LOEUF
pLI 0.111
Z-score 1.28
OE 0.39 (0.161.22)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint?
1.14Z-score
OE missense 0.64 (0.500.81)
49 obs / 77.1 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.39 (0.161.22)
00.351.4
Missense OE?0.64 (0.500.81)
00.61.4
Synonymous OE?0.89
01.21.6
LoF obs/exp: 2 / 5.1Missense obs/exp: 49 / 77.1Syn Z: 0.50

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

GRAP · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →