7-91874015-C-T

Variant names:

• chr7-91874015-C-T
• rs530927148
• NM_006980.5:c.779G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_006980.5(MTERF1):​c.779G>A​(p.Arg260Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,613,956 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R260P) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000062 (0 hom.)
• Consequence: MTERF1 NM_006980.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.30
• Publications: 2 publications found

Genes affected

MTERF1 (HGNC:21463): (mitochondrial transcription termination factor 1) This gene encodes a mitochondrial transcription termination factor. This protein participates in attenuating transcription from the mitochondrial genome; this attenuation allows higher levels of expression of 16S ribosomal RNA relative to the tRNA gene downstream. The product of this gene has three leucine zipper motifs bracketed by two basic domains that are all required for DNA binding. There is evidence that, for this protein, the zippers participate in intramolecular interactions that establish the three-dimensional structure required for DNA binding. [provided by RefSeq, Jul 2008]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.04729724).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006980.5. 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
	MTERF1	NM_006980.5	MANE Select	c.779G>A	p.Arg260Gln	missense	Exon 3 of 3	NP_008911.1	Q99551
	MTERF1	NM_001301134.2		c.719G>A	p.Arg240Gln	missense	Exon 2 of 2	NP_001288063.1	B4DPR9
	MTERF1	NM_001301135.2		c.719G>A	p.Arg240Gln	missense	Exon 4 of 4	NP_001288064.1	B4DPR9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MTERF1	ENST00000351870.8	TSL:1 MANE Select	c.779G>A	p.Arg260Gln	missense	Exon 3 of 3	ENSP00000248643.3	Q99551
	MTERF1	ENST00000419292.1	TSL:1	c.719G>A	p.Arg240Gln	missense	Exon 2 of 2	ENSP00000414116.1	B4DPR9
	MTERF1	ENST00000867199.1		c.779G>A	p.Arg260Gln	missense	Exon 3 of 3	ENSP00000537258.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152062 Hom.: 0 Cov.: 32

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: 0.00

Gnomad OTH AF: 0.000478

GnomAD2 exomes AF: 0.00000399 AC: 1 AN: 250690 AF XY: 0.00000738

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000883

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000616 AC: 9 AN: 1461776 Hom.: 0 Cov.: 34 AF XY: 0.00000413 AC XY: 3 AN XY: 727190

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

American (AMR) AF: 0.00 AC: 0 AN: 44700

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86248

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53356

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000629 AC: 7 AN: 1111998

Other (OTH) AF: 0.0000166 AC: 1 AN: 60394

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152180 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74398

African (AFR) AF: 0.00 AC: 0 AN: 41518

American (AMR) AF: 0.00 AC: 0 AN: 15262

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5178

South Asian (SAS) AF: 0.00 AC: 0 AN: 4824

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10600

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68008

Other (OTH) AF: 0.000473 AC: 1 AN: 2116

TwinsUK AF: 0.00 AC: 0

ALSPAC AF: 0.000259 AC: 1

EpiCase AF: 0.00

EpiControl AF: 0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.052
BayesDel_addAF	Benign	-0.34	T
BayesDel_noAF	Benign	-0.72
CADD	Benign	17
DANN	Benign	0.84
DEOGEN2	Benign	0.0053	T
Eigen	Benign	-0.87
Eigen_PC	Benign	-0.59
FATHMM_MKL	Benign	0.14	N
LIST_S2	Benign	0.33	T
M_CAP	Benign	0.0025	T
MetaRNN	Benign	0.047	T
MetaSVM	Benign	-0.95	T
PhyloP100		1.3
PrimateAI	Benign	0.39	T
PROVEAN	Benign	1.7	N
REVEL	Benign	0.059
Sift	Benign	1.0	T
Sift4G	Benign	1.0	T
Polyphen		0.0	B
Vest4		0.050
MutPred		0.61		Loss of methylation at R260 (P = 0.0315)
MVP		0.095
MPC		0.014
ClinPred		0.15	T
GERP RS		4.8
Varity_R		0.13
gMVP		0.18
Mutation Taster		=92/8	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: rs530927148; hg19: chr7-91503329; COSMIC: COSV61098422; COSMIC: COSV61098422;