chr20-23364398-A-C

Position:

• chr20-23364398-A-C

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_022482.5(GZF1):​c.15A>C​(p.Ala5Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000884 in 1,583,602 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 0.000013 (0 hom., cov: 33)
  • Exomes 𝑓: 0.0000084 (0 hom.)
• Consequence: GZF1 NM_022482.5 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.47

Genes affected

GZF1 (HGNC:15808): (GDNF inducible zinc finger protein 1) Enables DNA-binding transcription repressor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Involved in negative regulation of transcription by RNA polymerase II. Located in nucleolus and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).
• BP6: Variant 20-23364398-A-C is Benign according to our data. Variant chr20-23364398-A-C is described in ClinVar as [Likely_benign]. Clinvar id is 3624036.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=-1.47 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
GZF1	NM_022482.5	c.15A>C	p.Ala5Ala	synonymous_variant	2/6	ENST00000338121.10	NP_071927.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
GZF1	ENST00000338121.10	c.15A>C	p.Ala5Ala	synonymous_variant	2/6	1	NM_022482.5	ENSP00000338290.5
GZF1	ENST00000377051.2	c.15A>C	p.Ala5Ala	synonymous_variant	1/5	1		ENSP00000366250.2
GZF1	ENST00000424216.1	c.15A>C	p.Ala5Ala	synonymous_variant	3/3	5		ENSP00000410009.1

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152244 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: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000294

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.0000170 AC: 4 AN: 235330 Hom.: 0 AF XY: 0.0000157 AC XY: 2 AN XY: 127046

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: 0.0000370

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000838 AC: 12 AN: 1431240 Hom.: 0 Cov.: 30 AF XY: 0.00000989 AC XY: 7 AN XY: 708140

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: 0.0000110

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152362 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 74512

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000294

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000756

Asia WGS AF: 0.000289 AC: 1 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
CADD	Benign	4.8
DANN	Benign	0.51
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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

Publications

LitVar

Other links and lift over

dbSNP: rs199754225; hg19: chr20-23345035;