Genetic Variant ACCSL:p.Ser148* (chr11-44048479-C-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001031854.2(ACCSL):c.443C>A(p.Ser148*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,609,490 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. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000014 ( 0 hom., cov: 30)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ACCSL
NM_001031854.2 stop_gained

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.430

Publications

3 publications found

Variant links:

Genes affected

ACCSL (HGNC:34391): (1-aminocyclopropane-1-carboxylate synthase homolog (inactive) like) Predicted to enable catalytic activity and pyridoxal phosphate binding activity. Predicted to be involved in biosynthetic process. [provided by Alliance of Genome Resources, Apr 2022]

ACCSL links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001031854.2. 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
	ACCSL	NM_001031854.2	MANE Select	c.443C>A	p.Ser148*	stop_gained	Exon 1 of 14	NP_001027025.2	Q3C1W0
	ACCSL	NM_001363113.1		c.-148C>A		5_prime_UTR	Exon 1 of 14	NP_001350042.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACCSL	ENST00000378832.1	TSL:1 MANE Select	c.443C>A	p.Ser148*	stop_gained	Exon 1 of 14	ENSP00000368109.1	Q4AC99
	ACCSL	ENST00000527145.1	TSL:1	n.443C>A		non_coding_transcript_exon	Exon 1 of 14	ENSP00000436505.1	E9PI59

Frequencies

GnomAD3 genomes

AF:

0.0000135

AC:

AN:

147880

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000296

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000401

AC:

AN:

249100

AF XY:

0.00000740

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:

0.00000885

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461610

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727116

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86206

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53218

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111984

Other (OTH)

AF:

0.00

AC:

AN:

60396

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

GnomAD4 genome

AF:

0.0000135

AC:

AN:

147880

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

71670

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

39838

American (AMR)

AF:

0.00

AC:

AN:

14236

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3460

East Asian (EAS)

AF:

0.00

AC:

AN:

5014

South Asian (SAS)

AF:

0.00

AC:

AN:

4710

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9726

Middle Eastern (MID)

AF:

0.00

AC:

AN:

290

European-Non Finnish (NFE)

AF:

0.0000296

AC:

AN:

67662

Other (OTH)

AF:

0.00

AC:

AN:

2032

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:

0.0000434

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.18

BayesDel_noAF

Uncertain

0.020

CADD

Uncertain

(source)

DANN

Uncertain

0.98

Eigen

Benign

-0.18

Eigen_PC

Benign

-0.57

FATHMM_MKL

Benign

0.020

PhyloP100

-0.43

Vest4

0.010

GERP RS

-1.7

PromoterAI

-0.040

Neutral

(source)

Mutation Taster

=59/141

disease causing (fs/PTC)

(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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over