Genetic Variant MAP1S:p.Gly8Arg (chr19-17719524-G-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_018174.6(MAP1S):c.22G>A(p.Gly8Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000401 in 1,245,822 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 nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G8V) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000037 ( 0 hom. )

Consequence

MAP1S
NM_018174.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.207

Publications

0 publications found

Variant links:

Genes affected

MAP1S (HGNC:15715): (microtubule associated protein 1S) Enables DNA binding activity and cytoskeletal protein binding activity. Involved in microtubule bundle formation; neuron projection morphogenesis; and regulation of chromatin disassembly. Located in several cellular components, including microtubule cytoskeleton; nuclear lumen; and perinuclear region of cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

MAP1S links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.08431336).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MAP1S	NM_018174.6 link	c.22G>A	p.Gly8Arg	missense_variant	Exon 1 of 7	ENST00000324096.9	NP_060644.4	Q66K74-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MAP1S	ENST00000324096.9 link	c.22G>A	p.Gly8Arg	missense_variant	Exon 1 of 7	1	NM_018174.6	ENSP00000325313.3		Q66K74-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152114

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000366

AC:

AN:

1093708

Hom.:

Cov.:

AF XY:

0.00000194

AC XY:

AN XY:

516428

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

22952

American (AMR)

AF:

0.00

AC:

AN:

8392

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

14342

East Asian (EAS)

AF:

0.00

AC:

AN:

26470

South Asian (SAS)

AF:

0.00

AC:

AN:

19530

European-Finnish (FIN)

AF:

0.00

AC:

AN:

35034

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3576

European-Non Finnish (NFE)

AF:

0.00000435

AC:

AN:

919640

Other (OTH)

AF:

0.00

AC:

AN:

43772

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

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152114

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74300

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41442

American (AMR)

AF:

0.00

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10586

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2092

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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Benign

0.82

DEOGEN2

Benign

0.059

T;.;.

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.035

LIST_S2

Benign

0.61

T;T;T

M_CAP

Benign

0.062

MetaRNN

Benign

0.084

T;T;T

MetaSVM

Benign

-0.95

MutationAssessor

Benign

1.6

L;.;.

PhyloP100

0.21

PrimateAI

Uncertain

0.74

PROVEAN

Benign

0.21

N;.;.

REVEL

Benign

0.0090

Sift

Benign

0.26

T;.;.

Sift4G

Benign

0.10

T;T;D

Polyphen

0.014

B;.;.

Vest4

0.18

MutPred

0.31

Gain of methylation at G8 (P = 0.0092);Gain of methylation at G8 (P = 0.0092);Gain of methylation at G8 (P = 0.0092);

MVP

0.12

MPC

0.34

ClinPred

0.11

GERP RS

1.2

PromoterAI

0.056

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.037

gMVP

0.24

Mutation Taster

=96/4

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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19-17719524-G-A

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