Genetic Variant MUCL3:p.Arg169His (chr6-30948970-G-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_080870.4(MUCL3):c.506G>A(p.Arg169His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000838 in 1,551,530 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. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000079 ( 0 hom. )

Consequence

MUCL3
NM_080870.4 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -10.1

Publications

2 publications found

Variant links:

Genes affected

MUCL3 (HGNC:21666): (mucin like 3) Predicted to be located in cytoplasm and plasma membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

MUCL3 links:

HCG21 (HGNC:31335): (HLA complex group 21)

HCG21 links:

SFTA2 (HGNC:18386): (surfactant associated 2) Predicted to be located in Golgi apparatus; extracellular region; and transport vesicle. [provided by Alliance of Genome Resources, Apr 2022]

SFTA2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.007456124).

BP6

Variant 6-30948970-G-A is Benign according to our data. Variant chr6-30948970-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 3150982.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_080870.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MUCL3	NM_080870.4	MANE Select	c.506G>A	p.Arg169His	missense	Exon 2 of 3	NP_543146.2	E9PEI6
	HCG21	NR_138040.1		n.257-2392C>T		intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MUCL3	ENST00000462446.6	TSL:5 MANE Select	c.506G>A	p.Arg169His	missense	Exon 2 of 3	ENSP00000417182.1	E9PEI6
HCG21	ENST00000419481.1	TSL:3	n.225-2611C>T		intron	N/A
SFTA2	ENST00000634371.2	TSL:5	n.513+3392C>T		intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152154

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000651

AC:

AN:

153602

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:

0.0000918

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000786

AC:

AN:

1399258

Hom.:

Cov.:

AF XY:

0.00000580

AC XY:

AN XY:

690130

show subpopulations

African (AFR)

AF:

0.0000317

AC:

AN:

31580

American (AMR)

AF:

0.00

AC:

AN:

35674

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25182

East Asian (EAS)

AF:

0.00

AC:

AN:

35734

South Asian (SAS)

AF:

0.0000126

AC:

AN:

79194

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49260

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5698

European-Non Finnish (NFE)

AF:

0.00000741

AC:

AN:

1078938

Other (OTH)

AF:

0.0000172

AC:

AN:

57998

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.466

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

AF:

0.0000131

AC:

AN:

152272

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74462

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41554

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68018

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.0000434

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Likely benign

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

Benign

0.068

BayesDel_addAF

Benign

-0.55

BayesDel_noAF

Benign

-0.83

CADD

Benign

0.0030

(source)

DANN

Benign

0.91

DEOGEN2

Benign

0.024

Eigen

Benign

-2.2

Eigen_PC

Benign

-2.3

FATHMM_MKL

Benign

0.0010

LIST_S2

Benign

0.53

M_CAP

Benign

0.0021

MetaRNN

Benign

0.0075

MetaSVM

Benign

-1.1

PhyloP100

-10

PrimateAI

Benign

0.17

PROVEAN

Benign

-0.040

REVEL

Benign

0.010

Sift4G

Benign

0.31

Polyphen

0.13

Vest4

0.033

MutPred

0.26

Loss of MoRF binding (P = 0.061)

MVP

0.014

MPC

0.64

ClinPred

0.18

GERP RS

-4.7

Varity_R

0.017

gMVP

0.040

Mutation Taster

=300/0

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over