NM_018089.3:c.123C>A

Variant names:

• chr2-219230380-C-A
• rs1298382006
• NM_018089.3:c.123C>A

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_018089.3(ANKZF1):​c.123C>A​(p.Ala41Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,358 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. A41A) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: ANKZF1 NM_018089.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.246
• Publications: 0 publications found

Genes affected

ANKZF1 (HGNC:25527): (ankyrin repeat and zinc finger peptidyl tRNA hydrolase 1) Predicted to enable metal ion binding activity. Involved in cellular response to hydrogen peroxide. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ANKZF1 Gene-Disease associations (from GenCC):

• inflammatory bowel disease

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.67).
• BP7: Synonymous conserved (PhyloP=0.246 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018089.3. 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
	ANKZF1	NM_018089.3	MANE Select	c.123C>A	p.Ala41Ala	synonymous	Exon 2 of 14	NP_060559.2	Q9H8Y5
	ANKZF1	NM_001042410.2		c.123C>A	p.Ala41Ala	synonymous	Exon 2 of 14	NP_001035869.1	Q9H8Y5
	ANKZF1	NM_001282792.2		c.-267+480C>A		intron	N/A	NP_001269721.1	B8ZZS4

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ANKZF1	ENST00000323348.10	TSL:1 MANE Select	c.123C>A	p.Ala41Ala	synonymous	Exon 2 of 14	ENSP00000321617.5	Q9H8Y5
	ANKZF1	ENST00000409849.5	TSL:1	c.-267+480C>A		intron	N/A	ENSP00000386815.1	B8ZZS4
	ANKZF1	ENST00000464763.5	TSL:1	n.271C>A		non_coding_transcript_exon	Exon 2 of 2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000405 AC: 1 AN: 247170 AF XY: 0.00000744

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000294

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: 6.85e-7 AC: 1 AN: 1459358 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 725614

African (AFR) AF: 0.00 AC: 0 AN: 33418

American (AMR) AF: 0.0000225 AC: 1 AN: 44500

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26108

East Asian (EAS) AF: 0.00 AC: 0 AN: 39590

South Asian (SAS) AF: 0.00 AC: 0 AN: 86070

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53320

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5758

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1110302

Other (OTH) AF: 0.00 AC: 0 AN: 60292

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.67
CADD	Benign	7.0
DANN	Benign	0.62
PhyloP100		0.25
PromoterAI		-0.064	Neutral
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Mutation Taster		=100/0	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs1298382006; hg19: chr2-220095102;