Genetic Variant POM121:p.Pro270Leu (chr7-72926426-C-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001387691.1(POM121):c.809C>T(p.Pro270Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,670 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. P270R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

POM121
NM_001387691.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.28

Publications

0 publications found

Variant links:

Genes affected

POM121 (HGNC:19702): (POM121 transmembrane nucleoporin) This gene encodes a transmembrane protein that localizes to the inner nuclear membrane and forms a core component of the nuclear pore complex, which mediates transport to and from the nucleus. The encoded protein may anchor this complex to the nuclear envelope. There are multiple related genes and pseudogenes for this gene on chromosomes 5, 7, 15, and 22. Alternatively spliced transcript variants encoding different isoforms have been observed. [provided by RefSeq, Jul 2013]

POM121 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.833

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001387691.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
POM121	NM_001387691.1	MANE Select	c.809C>T	p.Pro270Leu	missense	Exon 2 of 13	NP_001374620.1	Q96HA1-1
POM121	NM_001387692.1		c.809C>T	p.Pro270Leu	missense	Exon 2 of 12	NP_001374621.1
POM121	NM_001387693.1		c.809C>T	p.Pro270Leu	missense	Exon 2 of 10	NP_001374622.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
POM121	ENST00000434423.5	TSL:5 MANE Select	c.809C>T	p.Pro270Leu	missense	Exon 2 of 13	ENSP00000405562.2	Q96HA1-1
POM121	ENST00000395270.5	TSL:1	c.14C>T	p.Pro5Leu	missense	Exon 5 of 16	ENSP00000378687.1	Q96HA1-3
POM121	ENST00000897647.1		c.809C>T	p.Pro270Leu	missense	Exon 2 of 12	ENSP00000567706.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251100

AF XY:

0.00000737

show subpopulations

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461670

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727144

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111842

Other (OTH)

AF:

0.00

AC:

AN:

60378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.95

BayesDel_addAF

Pathogenic

0.18

BayesDel_noAF

Uncertain

0.12

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.35

Eigen

Uncertain

0.51

Eigen_PC

Uncertain

0.37

FATHMM_MKL

Uncertain

0.95

LIST_S2

Uncertain

0.93

M_CAP

Uncertain

0.16

MetaRNN

Pathogenic

0.83

MetaSVM

Uncertain

-0.15

MutationAssessor

Uncertain

2.4

PhyloP100

5.3

PrimateAI

Uncertain

0.69

PROVEAN

Pathogenic

-8.1

REVEL

Uncertain

0.50

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0050

Polyphen

1.0

Vest4

0.78

MutPred

0.64

Loss of disorder (P = 0.0303)

MVP

0.38

ClinPred

1.0

GERP RS

3.7

Varity_R

0.64

gMVP

0.58

Mutation Taster

=64/36

polymorphism

(source)

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over