6-109465908-C-A

Variant names:

• chr6-109465908-C-A
• rs142189675
• NM_014797.3:c.2037G>T

Variant summary

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

The NM_014797.3(ZBTB24):​c.2037G>T​(p.Pro679Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,876 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. P679P) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: ZBTB24 NM_014797.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.93
• Publications: 0 publications found

Genes affected

ZBTB24 (HGNC:21143): (zinc finger and BTB domain containing 24) Predicted to enable DNA-binding transcription factor activity and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to act upstream of or within hematopoietic progenitor cell differentiation. Predicted to be located in nucleus. Implicated in immunodeficiency-centromeric instability-facial anomalies syndrome 2. [provided by Alliance of Genome Resources, Apr 2022]

MICAL1 (HGNC:20619): (microtubule associated monooxygenase, calponin and LIM domain containing 1) This gene encodes an enzyme that oxidizes methionine residues on actin, thereby promoting depolymerization of actin filaments. This protein interacts with and regulates signalling by NEDD9/CAS-L (neural precursor cell expressed, developmentally down-regulated 9). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2015]

MICAL1 Gene-Disease associations (from GenCC):

• epilepsy

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

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=-0.73).
• BP7: Synonymous conserved (PhyloP=-1.93 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014797.3. 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
	ZBTB24	NM_014797.3	MANE Select	c.2037G>T	p.Pro679Pro	synonymous	Exon 7 of 7	NP_055612.2	O43167-1
	MICAL1	NM_001286613.2		c.-231G>T		5_prime_UTR	Exon 1 of 25	NP_001273542.1	Q8TDZ2-4

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ZBTB24	ENST00000230122.4	TSL:1 MANE Select	c.2037G>T	p.Pro679Pro	synonymous	Exon 7 of 7	ENSP00000230122.4	O43167-1
	ZBTB24	ENST00000698516.1		c.2037G>T	p.Pro679Pro	synonymous	Exon 7 of 7	ENSP00000513766.1	O43167-1
	ZBTB24	ENST00000698513.1		c.1869G>T	p.Pro623Pro	synonymous	Exon 6 of 6	ENSP00000513763.1	A0A8V8TLS8

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1461876 Hom.: 0 Cov.: 33 AF XY: 0.00000275 AC XY: 2 AN XY: 727238

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

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39700

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5754

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.73
CADD	Benign	0.12
DANN	Benign	0.41
PhyloP100		-1.9
PromoterAI		-0.024	Neutral

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: rs142189675; hg19: chr6-109787111;