2-96840792-C-T

Variant names:

• chr2-96840792-C-T
• rs560056848
• NM_144994.8:c.421G>A

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_144994.8(ANKRD23):​c.421G>A​(p.Asp141Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00000867 in 1,614,188 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. D141Y) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 33)
  • Exomes 𝑓: 0.0000089 (0 hom.)
• Consequence: ANKRD23 NM_144994.8 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 4.19
• Publications: 2 publications found

Genes affected

ANKRD23 (HGNC:24470): (ankyrin repeat domain 23) This gene is a member of the muscle ankyrin repeat protein (MARP) family and encodes a protein with four tandem ankyrin-like repeats. The protein is localized to the nucleus, functioning as a transcriptional regulator. Expression of this protein is induced during recovery following starvation. [provided by RefSeq, Jul 2008]

ANKRD39 (HGNC:28640): (ankyrin repeat domain 39) Predicted to contribute to ubiquitin-protein transferase activity. Predicted to be involved in protein K6-linked ubiquitination. Predicted to be part of BRCA1-A complex and BRCA1-BARD1 complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_144994.8. 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
	ANKRD23	NM_144994.8	MANE Select	c.421G>A	p.Asp141Asn	missense	Exon 4 of 9	NP_659431.5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ANKRD23	ENST00000318357.9	TSL:1 MANE Select	c.421G>A	p.Asp141Asn	missense	Exon 4 of 9	ENSP00000321679.4	Q86SG2-1
	ANKRD23	ENST00000962363.1		c.421G>A	p.Asp141Asn	missense	Exon 4 of 9	ENSP00000632422.1
	ANKRD23	ENST00000870651.1		c.421G>A	p.Asp141Asn	missense	Exon 4 of 9	ENSP00000540710.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152228 Hom.: 0 Cov.: 33

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: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000119 AC: 3 AN: 251348 AF XY: 0.0000221

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000889 AC: 13 AN: 1461842 Hom.: 0 Cov.: 31 AF XY: 0.0000138 AC XY: 10 AN XY: 727222

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44720

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.000151 AC: 13 AN: 86250

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53402

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111996

Other (OTH) AF: 0.00 AC: 0 AN: 60392

GnomAD4 genome AF: 0.00000656 AC: 1 AN: 152346 Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1 AN XY: 74494

African (AFR) AF: 0.00 AC: 0 AN: 41576

American (AMR) AF: 0.00 AC: 0 AN: 15304

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5180

South Asian (SAS) AF: 0.000207 AC: 1 AN: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10628

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68038

Other (OTH) AF: 0.00 AC: 0 AN: 2116

Alfa AF: 0.00 Hom.: 0

ExAC AF: 0.0000165 AC: 2

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.65
BayesDel_addAF	Benign	-0.28	T
BayesDel_noAF	Benign	-0.40
CADD	Pathogenic	26
DANN	Pathogenic	1.0
DEOGEN2	Benign	0.23	T
Eigen	Uncertain	0.55
Eigen_PC	Uncertain	0.55
FATHMM_MKL	Uncertain	0.85	D
LIST_S2	Benign	0.78	T
M_CAP	Benign	0.032	D
MetaRNN	Uncertain	0.60	D
MetaSVM	Benign	-0.72	T
MutationAssessor	Benign	1.3	L
PhyloP100		4.2
PrimateAI	Benign	0.48	T
PROVEAN	Uncertain	-4.2	D
REVEL	Benign	0.25
Sift	Uncertain	0.016	D
Sift4G	Uncertain	0.032	D
Polyphen		1.0	D
Vest4		0.72
MutPred		0.48		Gain of methylation at K142 (P = 0.0694)
MVP		0.61
MPC		0.27
ClinPred		0.89	D
GERP RS		5.0
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.42
gMVP		0.48
Mutation Taster		=96/4	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.080		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: rs560056848; hg19: chr2-97506529; COSMIC: COSV100450574;