chr6-21134927-A-T

Variant names:

• chr6-21134927-A-T
• rs2493869
• NM_017774.3:c.1299+26464A>T

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_017774.3(CDKAL1):​c.1299+26464A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.349 in 151,438 control chromosomes in the GnomAD database, including 9,475 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.35 (9475 hom., cov: 32)
• Consequence: CDKAL1 NM_017774.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.273
• Publications: 4 publications found

Genes affected

CDKAL1 (HGNC:21050): (CDK5 regulatory subunit associated protein 1 like 1) The protein encoded by this gene is a member of the methylthiotransferase family. The function of this gene is not known. Genome-wide association studies have linked single nucleotide polymorphisms in an intron of this gene with susceptibilty to type 2 diabetes. [provided by RefSeq, May 2010]

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.87).
• BA1: GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.427 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CDKAL1	NM_017774.3	c.1299+26464A>T		intron_variant	Intron 13 of 15	ENST00000274695.8	NP_060244.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CDKAL1	ENST00000274695.8	c.1299+26464A>T		intron_variant	Intron 13 of 15	1	NM_017774.3	ENSP00000274695.4
CDKAL1	ENST00000378610.1	c.1299+26464A>T		intron_variant	Intron 11 of 13	2		ENSP00000367873.1

Frequencies

GnomAD3 genomes AF: 0.349 AC: 52884 AN: 151318 Hom.: 9467 Cov.: 32

Gnomad AFR AF: 0.275

Gnomad AMI AF: 0.276

Gnomad AMR AF: 0.435

Gnomad ASJ AF: 0.327

Gnomad EAS AF: 0.318

Gnomad SAS AF: 0.325

Gnomad FIN AF: 0.381

Gnomad MID AF: 0.329

Gnomad NFE AF: 0.377

Gnomad OTH AF: 0.359

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.349 AC: 52909 AN: 151438 Hom.: 9475 Cov.: 32 AF XY: 0.351 AC XY: 25971 AN XY: 73958

African (AFR) AF: 0.275 AC: 11348 AN: 41266

American (AMR) AF: 0.435 AC: 6612 AN: 15184

Ashkenazi Jewish (ASJ) AF: 0.327 AC: 1131 AN: 3464

East Asian (EAS) AF: 0.318 AC: 1627 AN: 5122

South Asian (SAS) AF: 0.323 AC: 1533 AN: 4740

European-Finnish (FIN) AF: 0.381 AC: 3981 AN: 10456

Middle Eastern (MID) AF: 0.323 AC: 95 AN: 294

European-Non Finnish (NFE) AF: 0.377 AC: 25578 AN: 67894

Other (OTH) AF: 0.357 AC: 752 AN: 2106

Alfa AF: 0.355 Hom.: 1231

Bravo AF: 0.347

Asia WGS AF: 0.336 AC: 1167 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.87
CADD	Benign	3.8
DANN	Benign	0.63
PhyloP100		0.27
Mutation Taster		=100/0	polymorphism (auto)

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: rs2493869; hg19: chr6-21135158;