Genetic Variant MGLL:p.Arg250Ser (chr3-127695043-G-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_007283.7(MGLL):c.748C>A(p.Arg250Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000322 in 1,461,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. R250C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000032 ( 0 hom. )

Consequence

MGLL
NM_007283.7 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.78

Publications

2 publications found

Variant links:

Genes affected

MGLL (HGNC:17038): (monoglyceride lipase) This gene encodes a serine hydrolase of the AB hydrolase superfamily that catalyzes the conversion of monoacylglycerides to free fatty acids and glycerol. The encoded protein plays a critical role in several physiological processes including pain and nociperception through hydrolysis of the endocannabinoid 2-arachidonoylglycerol. Expression of this gene may play a role in cancer tumorigenesis and metastasis. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Feb 2012]

MGLL links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.29292542).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MGLL	NM_007283.7 link	c.748C>A	p.Arg250Ser	missense_variant	Exon 7 of 8	ENST00000265052.10	NP_009214.1	Q99685A0A0C4DFN3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MGLL	ENST00000265052.10 link	c.748C>A	p.Arg250Ser	missense_variant	Exon 7 of 8	1	NM_007283.7	ENSP00000265052.5		A0A0C4DFN3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000681

AC:

AN:

249494

AF XY:

0.0000665

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:

0.000150

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000322

AC:

AN:

1461814

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000405

AC:

AN:

1111998

Other (OTH)

AF:

0.0000166

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.480

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.000116

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.37

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.27

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.090

.;.;T;T;.;.;T

Eigen

Benign

-0.093

Eigen_PC

Benign

0.061

FATHMM_MKL

Benign

0.62

LIST_S2

Uncertain

0.95

D;D;D;.;D;D;D

M_CAP

Benign

0.030

MetaRNN

Benign

0.29

T;T;T;T;T;T;T

MetaSVM

Benign

-0.78

MutationAssessor

Benign

0.93

.;.;L;L;.;.;.

PhyloP100

1.8

PrimateAI

Benign

0.33

PROVEAN

Benign

-1.2

N;N;N;N;N;.;N

REVEL

Benign

0.14

Sift

Uncertain

0.017

D;T;D;D;T;.;D

Sift4G

Benign

0.38

T;T;T;T;T;.;T

Polyphen

0.017, 0.051

.;.;B;B;B;.;.

Vest4

0.32

MutPred

0.56

.;.;Gain of disorder (P = 0.0414);Gain of disorder (P = 0.0414);.;Gain of disorder (P = 0.0414);.;

MVP

0.77

MPC

0.51

ClinPred

0.14

GERP RS

4.0

Varity_R

0.68

gMVP

0.21

Mutation Taster

=66/34

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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3-127695043-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over