2-120797313-C-T

Variant names:

• chr2-120797313-C-T
• rs200723250
• NM_001374353.1:c.-8C>T

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_Strong BP6 BS1

The NM_001374353.1(GLI2):​c.-8C>T variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000607 in 1,613,676 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 (no stars).

• Frequency:
  • Genomes: 𝑓 0.000092 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000057 (0 hom.)
• Consequence: GLI2 NM_001374353.1 5_prime_UTR
• Clinical Significance: Likely benign no assertion criteria provided B:1
• Conservation: PhyloP100: 0.447

Genes affected

GLI2 (HGNC:4318): (GLI family zinc finger 2) This gene encodes a protein which belongs to the C2H2-type zinc finger protein subclass of the Gli family. Members of this subclass are characterized as transcription factors which bind DNA through zinc finger motifs. These motifs contain conserved H-C links. Gli family zinc finger proteins are mediators of Sonic hedgehog (Shh) signaling and they are implicated as potent oncogenes in the embryonal carcinoma cell. The protein encoded by this gene localizes to the cytoplasm and activates patched Drosophila homolog (PTCH) gene expression. It is also thought to play a role during embryogenesis. The encoded protein is associated with several phenotypes- Greig cephalopolysyndactyly syndrome, Pallister-Hall syndrome, preaxial polydactyly type IV, postaxial polydactyly types A1 and B. [provided by RefSeq, Jul 2008]

ACMG classification

Our verdict: Benign. The variant received -9 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.63).
• BP6: Variant 2-120797313-C-T is Benign according to our data. Variant chr2-120797313-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3053997.Status of the report is no_assertion_criteria_provided, 0 stars.
• BS1: Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.000092 (14/152210) while in subpopulation EAS AF = 0.00116 (6/5174). AF 95% confidence interval is 0.000505. There are 0 homozygotes in GnomAd4. There are 7 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GLI2	NM_001374353.1	c.-8C>T		5_prime_UTR_variant	Exon 2 of 14	ENST00000361492.9	NP_001361282.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GLI2	ENST00000361492.9	c.-8C>T		5_prime_UTR_variant	Exon 2 of 14	1	NM_001374353.1	ENSP00000354586.5

Frequencies

GnomAD3 genomes AF: 0.0000920 AC: 14 AN: 152094 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000654

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00116

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000103

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.000143 AC: 36 AN: 251086 AF XY: 0.000147

Gnomad AFR exome AF: 0.000186

Gnomad AMR exome AF: 0.0000289

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00131

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000617

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000575 AC: 84 AN: 1461466 Hom.: 0 Cov.: 31 AF XY: 0.0000495 AC XY: 36 AN XY: 727052

African (AFR) AF: 0.0000896 AC: 3 AN: 33472

American (AMR) AF: 0.0000447 AC: 2 AN: 44720

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

East Asian (EAS) AF: 0.000529 AC: 21 AN: 39698

South Asian (SAS) AF: 0.0000464 AC: 4 AN: 86252

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53362

Middle Eastern (MID) AF: 0.000173 AC: 1 AN: 5768

European-Non Finnish (NFE) AF: 0.0000450 AC: 50 AN: 1111684

Other (OTH) AF: 0.0000497 AC: 3 AN: 60376

GnomAD4 genome AF: 0.0000920 AC: 14 AN: 152210 Hom.: 0 Cov.: 32 AF XY: 0.0000941 AC XY: 7 AN XY: 74400

African (AFR) AF: 0.00 AC: 0 AN: 41544

American (AMR) AF: 0.0000654 AC: 1 AN: 15300

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3466

East Asian (EAS) AF: 0.00116 AC: 6 AN: 5174

South Asian (SAS) AF: 0.00 AC: 0 AN: 4792

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10594

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

European-Non Finnish (NFE) AF: 0.000103 AC: 7 AN: 68018

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

Alfa AF: 0.000113 Hom.: 0

Bravo AF: 0.000113

EpiCase AF: 0.00

EpiControl AF: 0.0000593

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: no assertion criteria provided

Submissions by phenotype

GLI2-related disorder Benign:1

Apr 26, 2023

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.63
CADD	Benign	21
DANN	Benign	0.82
PhyloP100		0.45
PromoterAI		0.050	Neutral
Mutation Taster		=295/5	polymorphism

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

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Other links and lift over

dbSNP: rs200723250; hg19: chr2-121554889; COSMIC: COSV100082415; COSMIC: COSV100082415;