18-21384345-C-T

Variant names:

• chr18-21384345-C-T
• rs772804626
• NM_001142966.3:c.297C>T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_Moderate BP6_Moderate BP7

The NM_001142966.3(GREB1L):​c.297C>T​(p.Asn99Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000058 in 1,551,754 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: 𝑓 0.000039 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: GREB1L NM_001142966.3 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 2.26
• Publications: 0 publications found

Genes affected

GREB1L (HGNC:31042): (GREB1 like retinoic acid receptor coactivator) Acts upstream of or within kidney development. Predicted to be integral component of membrane. Implicated in autosomal dominant nonsyndromic deafness and renal agenesis. [provided by Alliance of Genome Resources, Apr 2022]

GREB1L Gene-Disease associations (from GenCC):

• renal hypodysplasia/aplasia 3

  Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, LIMITED Submitted by: Illumina, G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
• renal agenesis, unilateral

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• bilateral renal agenesis

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• hearing loss, autosomal dominant 80

  Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

GREB1L-AS1 (HGNC:58310):

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.4).
• BP6: Variant 18-21384345-C-T is Benign according to our data. Variant chr18-21384345-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 3234277.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=2.26 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001142966.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GREB1L	NM_001142966.3	MANE Select	c.297C>T	p.Asn99Asn	synonymous	Exon 4 of 33	NP_001136438.1	Q9C091-1
	GREB1L	NM_001410867.1		c.297C>T	p.Asn99Asn	synonymous	Exon 4 of 34	NP_001397796.1	J3QQW0
	GREB1L	NM_001410868.1		c.297C>T	p.Asn99Asn	synonymous	Exon 4 of 32	NP_001397797.1	Q9C091-3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GREB1L	ENST00000424526.7	TSL:5 MANE Select	c.297C>T	p.Asn99Asn	synonymous	Exon 4 of 33	ENSP00000412060.1	Q9C091-1
	GREB1L	ENST00000578368.5	TSL:1	n.402C>T		non_coding_transcript_exon	Exon 3 of 15
	GREB1L	ENST00000584446.5	TSL:1	n.568C>T		non_coding_transcript_exon	Exon 4 of 15

Frequencies

GnomAD3 genomes AF: 0.0000394 AC: 6 AN: 152168 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000882

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000214 AC: 3 AN: 1399586 Hom.: 0 Cov.: 31 AF XY: 0.00000290 AC XY: 2 AN XY: 690284

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 31596

American (AMR) AF: 0.00 AC: 0 AN: 35698

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25180

East Asian (EAS) AF: 0.00 AC: 0 AN: 35726

South Asian (SAS) AF: 0.00 AC: 0 AN: 79218

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 49420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5700

European-Non Finnish (NFE) AF: 0.00000278 AC: 3 AN: 1078962

Other (OTH) AF: 0.00 AC: 0 AN: 58086

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.0000000568638), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome AF: 0.0000394 AC: 6 AN: 152168 Hom.: 0 Cov.: 32 AF XY: 0.0000404 AC XY: 3 AN XY: 74342

African (AFR) AF: 0.00 AC: 0 AN: 41426

American (AMR) AF: 0.00 AC: 0 AN: 15284

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5194

South Asian (SAS) AF: 0.00 AC: 0 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10608

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000882 AC: 6 AN: 68036

Other (OTH) AF: 0.00 AC: 0 AN: 2094

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000227

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.40
CADD	Benign	7.8
DANN	Benign	0.72
PhyloP100		2.3

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.0		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs772804626; hg19: chr18-18964306;