Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_001077415.3(CRELD1):c.119C>A(p.Pro40Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,810 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P40R) has been classified as Uncertain significance.
CRELD1 (HGNC:14630): (cysteine rich with EGF like domains 1) This gene encodes a member of a subfamily of epidermal growth factor-related proteins. The encoded protein is characterized by a cysteine-rich with epidermal growth factor-like domain. This protein may function as a cell adhesion molecule. Mutations in this gene are the cause of atrioventricular septal defect. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Apr 2010]
CRELD1 Gene-Disease associations (from GenCC):
complex neurodevelopmental disorder
Inheritance: AR Classification: STRONG Submitted by: Ambry Genetics
atrioventricular septal defect, susceptibility to, 2
Loss of glycosylation at P40 (P = 5e-04);Loss of glycosylation at P40 (P = 5e-04);Loss of glycosylation at P40 (P = 5e-04);Loss of glycosylation at P40 (P = 5e-04);