Genetic Variant MGLL:p.Cys252Trp (chr3-127695035-A-C) – 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.756T>G(p.Cys252Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,824 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MGLL
NM_007283.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0350

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, 0.926

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007283.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MGLL	NM_007283.7	MANE Select	c.756T>G	p.Cys252Trp	missense	Exon 7 of 8	NP_009214.1	A0A0C4DFN3
MGLL	NM_001388312.1		c.834T>G	p.Cys278Trp	missense	Exon 8 of 9	NP_001375241.1
MGLL	NM_001388313.1		c.804T>G	p.Cys268Trp	missense	Exon 8 of 9	NP_001375242.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MGLL	ENST00000265052.10	TSL:1 MANE Select	c.756T>G	p.Cys252Trp	missense	Exon 7 of 8	ENSP00000265052.5	A0A0C4DFN3
MGLL	ENST00000398101.7	TSL:1	n.1147T>G		non_coding_transcript_exon	Exon 5 of 6
MGLL	ENST00000476682.1	TSL:1	n.3727T>G		non_coding_transcript_exon	Exon 2 of 3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461824

Hom.:

Cov.:

AF XY:

0.00000138

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:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53378

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111998

Other (OTH)

AF:

0.0000166

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.99

BayesDel_addAF

Pathogenic

0.36

BayesDel_noAF

Pathogenic

0.28

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.21

Eigen

Benign

-0.18

Eigen_PC

Benign

-0.28

FATHMM_MKL

Benign

0.68

LIST_S2

Uncertain

0.90

M_CAP

Uncertain

0.25

MetaRNN

Pathogenic

0.93

MetaSVM

Uncertain

-0.12

MutationAssessor

Pathogenic

3.5

PhyloP100

0.035

PrimateAI

Uncertain

0.74

PROVEAN

Pathogenic

-8.3

REVEL

Pathogenic

0.73

Sift

Uncertain

0.0010

Sift4G

Pathogenic

0.0010

Polyphen

1.0

Vest4

0.91

MutPred

0.74

Loss of ubiquitination at K245 (P = 0.0579)

MVP

0.81

MPC

1.5

ClinPred

1.0

GERP RS

-4.8

Varity_R

0.97

gMVP

0.91

Mutation Taster

=18/82

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over