dbSNP rs754071655: MGLL:p.Ala136Ser (chr3-127721157-C-A) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_007283.7(MGLL):c.406G>T(p.Ala136Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,686 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. A136T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MGLL
NM_007283.7 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.47

Publications

0 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 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.877

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MGLL	NM_007283.7 link	c.406G>T	p.Ala136Ser	missense_variant	Exon 5 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.406G>T	p.Ala136Ser	missense_variant	Exon 5 of 8	1	NM_007283.7	ENSP00000265052.5		A0A0C4DFN3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461686

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727152

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53330

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111906

Other (OTH)

AF:

0.00

AC:

AN:

60392

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 v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Uncertain

0.050

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.093

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

Eigen

Uncertain

0.45

Eigen_PC

Uncertain

0.44

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.98

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

M_CAP

Uncertain

0.10

MetaRNN

Pathogenic

0.88

D;D;D;D;D;D;D;D;D

MetaSVM

Uncertain

0.094

MutationAssessor

Uncertain

2.5

.;.;M;M;.;.;.;.;.

PhyloP100

7.5

PrimateAI

Uncertain

0.56

PROVEAN

Benign

-1.7

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

REVEL

Uncertain

0.44

Sift

Benign

0.18

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

Sift4G

Benign

0.25

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

Polyphen

0.71

.;.;P;P;.;P;.;.;.

Vest4

0.80

MutPred

0.72

.;.;Gain of glycosylation at T131 (P = 0.0341);Gain of glycosylation at T131 (P = 0.0341);.;.;Gain of glycosylation at T131 (P = 0.0341);.;.;

MVP

0.83

MPC

1.1

ClinPred

0.96

GERP RS

5.3

PromoterAI

-0.091

Neutral

(source)

Varity_R

0.43

gMVP

0.79

Mutation Taster

=20/80

disease causing

(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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over