2-229025921-G-A

Variant names:

• chr2-229025921-G-A
• rs745661805
• NM_001100818.2:c.365C>T

Variant summary

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

The NM_001100818.2(PID1):​c.365C>T​(p.Thr122Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000547 in 1,461,808 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 Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0000055 (0 hom.)
• Consequence: PID1 NM_001100818.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.41

Genes affected

PID1 (HGNC:26084): (phosphotyrosine interaction domain containing 1) Involved in several processes, including mitochondrion morphogenesis; negative regulation of phosphate metabolic process; and positive regulation of macromolecule metabolic process. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

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=0.15510815).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PID1	NM_001100818.2	c.365C>T	p.Thr122Ile	missense_variant	Exon 3 of 3	ENST00000392055.8	NP_001094288.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PID1	ENST00000392055.8	c.365C>T	p.Thr122Ile	missense_variant	Exon 3 of 3	2	NM_001100818.2	ENSP00000375908.3

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.0000358 AC: 9 AN: 251284 AF XY: 0.0000515

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.000490

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000547 AC: 8 AN: 1461808 Hom.: 0 Cov.: 31 AF XY: 0.00000688 AC XY: 5 AN XY: 727202

African (AFR) AF: 0.00 AC: 0 AN: 33476

American (AMR) AF: 0.00 AC: 0 AN: 44722

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

East Asian (EAS) AF: 0.000202 AC: 8 AN: 39694

South Asian (SAS) AF: 0.00 AC: 0 AN: 86254

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53414

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111952

Other (OTH) AF: 0.00 AC: 0 AN: 60394

GnomAD4 genome Cov.: 33

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000189

ExAC AF: 0.0000412 AC: 5

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Mar 26, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.458C>T (p.T153I) alteration is located in exon 4 (coding exon 3) of the PID1 gene. This alteration results from a C to T substitution at nucleotide position 458, causing the threonine (T) at amino acid position 153 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.37
BayesDel_addAF	Benign	-0.20	T
BayesDel_noAF	Benign	-0.19
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.23	.;.;.;T
Eigen	Uncertain	0.48
Eigen_PC	Uncertain	0.57
FATHMM_MKL	Pathogenic	1.0	D
LIST_S2	Uncertain	0.94	D;D;D;D
M_CAP	Benign	0.0098	T
MetaRNN	Benign	0.16	T;T;T;T
MetaSVM	Benign	-0.81	T
MutationAssessor	Benign	1.7	.;.;.;L
PhyloP100		9.4
PrimateAI	Uncertain	0.66	T
PROVEAN	Uncertain	-2.5	N;D;N;N
REVEL	Benign	0.14
Sift	Uncertain	0.021	D;T;D;D
Sift4G	Uncertain	0.0080	D;D;D;D
Polyphen		0.98	D;P;B;P
Vest4		0.35
MutPred		0.32		.;.;.;Loss of disorder (P = 0.0253);
MVP		0.39
MPC		0.39
ClinPred		0.28	T
GERP RS		5.5
Varity_R		0.19
gMVP		0.29
Mutation Taster		=68/32	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: rs745661805; hg19: chr2-229890637;