chr19-2250667-C-G

Variant names:

Variant summary

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

The NM_000479.5(AMH):c.571C>G(p.Arg191Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000013 in 1,539,332 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.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

AMH
NM_000479.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.364

Publications

5 publications found

Variant links:

Genes affected

AMH (HGNC:464): (anti-Mullerian hormone) This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate N- and C-terminal cleavage products that homodimerize and associate to form a biologically active noncovalent complex. This complex binds to the anti-Mullerian hormone receptor type 2 and causes the regression of Mullerian ducts in the male embryo that would otherwise differentiate into the uterus and fallopian tubes. This protein also plays a role in Leydig cell differentiation and function and follicular development in adult females. Mutations in this gene result in persistent Mullerian duct syndrome. [provided by RefSeq, Jul 2016]

AMH links:

MIR4321 (HGNC:38244): (microRNA 4321) microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop. [provided by RefSeq, Sep 2009]

MIR4321 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=0.15026125).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
AMH	NM_000479.5 link	c.571C>G	p.Arg191Gly	missense_variant	Exon 3 of 5	ENST00000221496.5	NP_000470.3	P03971
MIR4321	NR_036207.1 link	n.29C>G		non_coding_transcript_exon_variant	Exon 1 of 1
MIR4321	unassigned_transcript_3189	n.-21C>G		upstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
AMH	ENST00000221496.5 link	c.571C>G	p.Arg191Gly	missense_variant	Exon 3 of 5	1	NM_000479.5	ENSP00000221496.2	P03971
AMH	ENST00000589313.2 link	n.924C>G		non_coding_transcript_exon_variant	Exon 1 of 3	5
MIR4321	ENST00000592276.1 link	n.29C>G		non_coding_transcript_exon_variant	Exon 1 of 1	6
AMH	ENST00000592877.1 link	n.452C>G		non_coding_transcript_exon_variant	Exon 2 of 2	3

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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

GnomAD4 exome

AF:

7.21e-7

AC:

AN:

1387110

Hom.:

Cov.:

AF XY:

0.00000146

AC XY:

AN XY:

684616

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31568

American (AMR)

AF:

0.00

AC:

AN:

35850

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25172

East Asian (EAS)

AF:

0.00

AC:

AN:

35788

South Asian (SAS)

AF:

0.00

AC:

AN:

79186

European-Finnish (FIN)

AF:

0.00

AC:

AN:

38180

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4452

European-Non Finnish (NFE)

AF:

9.27e-7

AC:

AN:

1079108

Other (OTH)

AF:

0.00

AC:

AN:

57806

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

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:

0.00000657

AC:

AN:

152222

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74366

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000241

AC:

AN:

41446

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.068

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.42

CADD

Benign

(source)

DANN

Benign

0.72

DEOGEN2

Benign

0.41

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.11

LIST_S2

Benign

0.38

M_CAP

Uncertain

0.13

MetaRNN

Benign

0.15

MetaSVM

Benign

-0.80

MutationAssessor

Benign

1.8

PhyloP100

-0.36

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-1.3

REVEL

Benign

0.26

Sift

Benign

0.085

Sift4G

Benign

0.15

Polyphen

0.0020

Vest4

0.094

MutPred

0.60

Gain of relative solvent accessibility (P = 0.0166);

MVP

0.52

MPC

0.0015

ClinPred

0.061

GERP RS

-7.4

Varity_R

0.071

gMVP

0.48

Mutation Taster

=95/5

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over