chr12-57235610-C-T

Variant names:

• chr12-57235610-C-T
• rs780621750
• NM_001394961.1:c.217G>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001394961.1(COXFA4L2):​c.217G>A​(p.Val73Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,614,030 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: COXFA4L2 NM_001394961.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.57
• Publications: 0 publications found

Genes affected

COXFA4L2 (HGNC:29836): (NDUFA4 mitochondrial complex associated like 2) Predicted to be integral component of membrane. Predicted to be part of mitochondrial respiratory chain complex IV. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000295078 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.1710183).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001394961.1. 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
	COXFA4L2	NM_001394961.1	MANE Select	c.217G>A	p.Val73Ile	missense	Exon 4 of 4	NP_001381890.1	Q9NRX3
	COXFA4L2	NM_001394960.1		c.217G>A	p.Val73Ile	missense	Exon 5 of 5	NP_001381889.1	Q9NRX3
	COXFA4L2	NM_020142.4		c.217G>A	p.Val73Ile	missense	Exon 5 of 5	NP_064527.1	Q9NRX3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	NDUFA4L2	ENST00000554503.6	TSL:1 MANE Select	c.217G>A	p.Val73Ile	missense	Exon 4 of 4	ENSP00000450664.1	Q9NRX3
	NDUFA4L2	ENST00000393825.5	TSL:1	c.217G>A	p.Val73Ile	missense	Exon 5 of 5	ENSP00000377411.1	Q9NRX3
	NDUFA4L2	ENST00000909958.1		c.373G>A	p.Val125Ile	missense	Exon 5 of 5	ENSP00000580017.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152192 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000241

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: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251464 AF XY: 0.00

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000289

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: 6.84e-7 AC: 1 AN: 1461838 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 727232

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

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

American (AMR) AF: 0.0000224 AC: 1 AN: 44718

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26132

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

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111976

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

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152192 Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1 AN XY: 74340

African (AFR) AF: 0.0000241 AC: 1 AN: 41444

American (AMR) AF: 0.00 AC: 0 AN: 15276

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5206

South Asian (SAS) AF: 0.00 AC: 0 AN: 4834

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10614

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68026

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.080
BayesDel_addAF	Benign	-0.11	T
BayesDel_noAF	Benign	-0.39
CADD	Benign	23
DANN	Uncertain	0.99
DEOGEN2	Benign	0.084	T
Eigen	Benign	-0.21
Eigen_PC	Benign	-0.14
FATHMM_MKL	Benign	0.75	D
LIST_S2	Benign	0.76	T
M_CAP	Uncertain	0.12	D
MetaRNN	Benign	0.17	T
MetaSVM	Benign	-0.54	T
PhyloP100		1.6
PrimateAI	Benign	0.43	T
PROVEAN	Benign	-0.70	N
REVEL	Benign	0.24
Sift	Benign	0.21	T
Sift4G	Benign	0.44	T
Polyphen		0.24	B
Vest4		0.10
MVP		0.46
MPC		0.024
ClinPred		0.90	D
GERP RS		4.1
Varity_R		0.063
gMVP		0.17
Mutation Taster		=92/8	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.040		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: rs780621750; hg19: chr12-57629393;