2-86118952-T-G

Position:

• chr2-86118952-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_017952.6(PTCD3):​c.446T>G​(p.Ile149Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,624 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: PTCD3 NM_017952.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 4.93

Genes affected

PTCD3 (HGNC:24717): (pentatricopeptide repeat domain 3) Enables rRNA binding activity and ribosomal small subunit binding activity. Involved in mitochondrial translation. Located in several cellular components, including cytosol; mitochondrion; and nucleoplasm. Implicated in combined oxidative phosphorylation deficiency 51. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PTCD3	NM_017952.6	c.446T>G	p.Ile149Ser	missense_variant	7/24	ENST00000254630.12	NP_060422.4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PTCD3	ENST00000254630.12	c.446T>G	p.Ile149Ser	missense_variant	7/24	1	NM_017952.6	ENSP00000254630	P1
PTCD3	ENST00000409783.6	c.414+1793T>G		intron_variant		5		ENSP00000386922
PTCD3	ENST00000465560.5	n.471T>G		non_coding_transcript_exon_variant	7/9	3
PTCD3	ENST00000483925.1	n.347T>G		non_coding_transcript_exon_variant	6/6	3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461624 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 727134

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: 0.00

Gnomad4 OTH exome AF: 0.0000166

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Sep 01, 2023

PTCD3: PM2, BP4 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.057	T
BayesDel_noAF	Benign	-0.32
CADD	Uncertain	24
DANN	Uncertain	0.99
DEOGEN2	Benign	0.0098	T
Eigen	Uncertain	0.25
Eigen_PC	Uncertain	0.25
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Benign	0.80	T
M_CAP	Benign	0.029	D
MetaRNN	Uncertain	0.70	D
MetaSVM	Benign	-1.0	T
MutationAssessor	Uncertain	2.5	M
MutationTaster	Benign	1.0	D;D
PrimateAI	Benign	0.42	T
PROVEAN	Benign	-1.6	N
REVEL	Benign	0.17
Sift	Benign	0.11	T
Sift4G	Uncertain	0.0040	D
Polyphen		0.97	D
Vest4		0.72
MutPred		0.54		Gain of disorder (P = 0.0039);
MVP		0.28
MPC		0.25
ClinPred		0.84	D
GERP RS		5.4
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.18
gMVP		0.73

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-86346075;