Genetic Variant ORM2:p.Glu53Gln (chr9-114330476-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000608.4(ORM2):c.157G>C(p.Glu53Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,168 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. E53K) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 29)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ORM2
NM_000608.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.540

Publications

1 publications found

Variant links:

Genes affected

ORM2 (HGNC:8499): (orosomucoid 2) This gene encodes a key acute phase plasma protein. Because of its increase due to acute inflammation, this protein is classified as an acute-phase reactant. The specific function of this protein has not yet been determined; however, it may be involved in aspects of immunosuppression. [provided by RefSeq, Jul 2008]

ORM2 links:

AKNA (HGNC:24108): (AT-hook transcription factor) Predicted to enable DNA binding activity. Involved in positive regulation of transcription by RNA polymerase II. Located in centrosome; cytosol; and nuclear lumen. [provided by Alliance of Genome Resources, Apr 2022]

AKNA links:

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ACMG classification

Classification was made for transcript

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=0.116090596).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ORM2	NM_000608.4 link	c.157G>C	p.Glu53Gln	missense_variant	Exon 2 of 6	ENST00000431067.4	NP_000599.1	P19652
AKNA	XR_929844.4 link	n.*28C>G		downstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ORM2	ENST00000431067.4 link	c.157G>C	p.Glu53Gln	missense_variant	Exon 2 of 6	1	NM_000608.4	ENSP00000394936.2		P19652

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250732

AF XY:

0.00

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:

0.00000881

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460168

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726502

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32420

American (AMR)

AF:

0.00

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86222

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111480

Other (OTH)

AF:

0.00

AC:

AN:

60326

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.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.68

CADD

Benign

(source)

DANN

Benign

0.47

DEOGEN2

Benign

0.0081

Eigen

Benign

-0.78

Eigen_PC

Benign

-0.94

FATHMM_MKL

Benign

0.00037

LIST_S2

Benign

0.75

M_CAP

Benign

0.0035

MetaRNN

Benign

0.12

MetaSVM

Benign

-0.98

MutationAssessor

Benign

1.4

PhyloP100

0.54

PROVEAN

Benign

-0.020

REVEL

Benign

0.033

Sift

Benign

0.13

Sift4G

Uncertain

0.038

Polyphen

0.60

Vest4

0.19

MutPred

0.51

Loss of ubiquitination at K57 (P = 0.0597);

MVP

0.31

MPC

1.9

ClinPred

0.059

GERP RS

1.2

Varity_R

0.19

gMVP

0.53

Mutation Taster

=82/18

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over