X-110676341-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001143981.2(CHRDL1):​c.1267G>A​(p.Glu423Lys) variant causes a missense change. The variant allele was found at a frequency of 0.0000119 in 1,096,353 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 4 hemizygotes in GnomAD. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 22)
Exomes 𝑓: 0.000012 ( 0 hom. 4 hem. )

Consequence

CHRDL1
NM_001143981.2 missense

Scores

1
7
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.46
Variant links:
Genes affected
CHRDL1 (HGNC:29861): (chordin like 1) This gene encodes an antagonist of bone morphogenetic protein 4. The encoded protein may play a role in topographic retinotectal projection and in the regulation of retinal angiogenesis in response to hypoxia. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jan 2009]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High Hemizygotes in GnomAdExome4 at 4 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CHRDL1NM_001143981.2 linkuse as main transcriptc.1267G>A p.Glu423Lys missense_variant 12/12 ENST00000372042.6 NP_001137453.1 Q9BU40-4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CHRDL1ENST00000372042.6 linkuse as main transcriptc.1267G>A p.Glu423Lys missense_variant 12/122 NM_001143981.2 ENSP00000361112.1 Q9BU40-4

Frequencies

GnomAD3 genomes
Cov.:
22
GnomAD3 exomes
AF:
0.00000549
AC:
1
AN:
182156
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
66836
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000123
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000119
AC:
13
AN:
1096353
Hom.:
0
Cov.:
28
AF XY:
0.0000110
AC XY:
4
AN XY:
362013
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000155
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
22
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 13, 2024The c.1267G>A (p.E423K) alteration is located in exon 12 (coding exon 11) of the CHRDL1 gene. This alteration results from a G to A substitution at nucleotide position 1267, causing the glutamic acid (E) at amino acid position 423 to be replaced by a lysine (K). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.44
BayesDel_addAF
Benign
0.00038
T
BayesDel_noAF
Benign
-0.24
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.10
T;.;.;.;.
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.95
D;D;D;D;D
M_CAP
Pathogenic
0.40
D
MetaRNN
Uncertain
0.44
T;T;T;T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
0.97
L;.;.;.;.
PrimateAI
Uncertain
0.77
T
PROVEAN
Benign
-0.080
N;N;N;N;N
REVEL
Benign
0.15
Sift
Uncertain
0.011
D;D;D;D;D
Sift4G
Benign
0.061
T;T;T;T;T
Polyphen
0.55
P;.;.;.;.
Vest4
0.54
MutPred
0.55
Gain of MoRF binding (P = 0.0022);.;.;.;.;
MVP
0.19
MPC
0.45
ClinPred
0.52
D
GERP RS
4.8
Varity_R
0.22
gMVP
0.84

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.12
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs776899237; hg19: chrX-109919569; COSMIC: COSV54323694; API