rs78437454

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_020937.4(FANCM):c.1996A>G(p.Arg666Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000344 in 1,601,050 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. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R666K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

FANCM
NM_020937.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 3.27

Publications

1 publications found

Variant links:

Genes affected

FANCM (HGNC:23168): (FA complementation group M) The Fanconi anemia complementation group (FANC) currently includes FANCA, FANCB, FANCC, FANCD1 (also called BRCA2), FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ (also called BRIP1), FANCL, FANCM and FANCN (also called PALB2). The previously defined group FANCH is the same as FANCA. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. The members of the Fanconi anemia complementation group do not share sequence similarity; they are related by their assembly into a common nuclear protein complex. This gene encodes the protein for complementation group M. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]

FANCM Gene-Disease associations (from GenCC):

FANCM Fanconi-like genomic instability disorder
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
Fanconi anemia
Inheritance: AR Classification: STRONG, SUPPORTIVE, NO_KNOWN Submitted by: G2P, Orphanet, ClinGen
spermatogenic failure 28
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
male infertility with azoospermia or oligozoospermia due to single gene mutation
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
hereditary breast carcinoma
Inheritance: AD Classification: LIMITED Submitted by: ClinGen
breast cancer
Inheritance: AD Classification: NO_KNOWN Submitted by: Ambry Genetics

FANCM links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0064539313).

BP6

Variant 14-45167157-A-G is Benign according to our data. Variant chr14-45167157-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 456258.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.0000722 (11/152320) while in subpopulation EAS AF = 0.00212 (11/5188). AF 95% confidence interval is 0.00119. There are 0 homozygotes in GnomAd4. There are 11 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020937.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FANCM	NM_020937.4	MANE Select	c.1996A>G	p.Arg666Gly	missense	Exon 11 of 23	NP_065988.1	Q8IYD8-1
FANCM	NM_001308133.2		c.1918A>G	p.Arg640Gly	missense	Exon 10 of 22	NP_001295062.1	Q8IYD8-3
FANCM	NM_001308134.2		c.1996A>G	p.Arg666Gly	missense	Exon 11 of 11	NP_001295063.1	Q8IYD8-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FANCM	ENST00000267430.10	TSL:1 MANE Select	c.1996A>G	p.Arg666Gly	missense	Exon 11 of 23	ENSP00000267430.5	Q8IYD8-1
FANCM	ENST00000542564.6	TSL:1	c.1918A>G	p.Arg640Gly	missense	Exon 10 of 22	ENSP00000442493.2	Q8IYD8-3
FANCM	ENST00000556250.6	TSL:1	c.1789A>G	p.Arg597Gly	missense	Exon 10 of 22	ENSP00000452033.2	H0YJS3

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152202

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:

0.00212

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:

0.000175

AC:

AN:

250814

AF XY:

0.000155

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00239

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000304

AC:

AN:

1448730

Hom.:

Cov.:

AF XY:

0.0000249

AC XY:

AN XY:

721614

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33232

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26058

East Asian (EAS)

AF:

0.00103

AC:

AN:

39620

South Asian (SAS)

AF:

0.00

AC:

AN:

86010

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53392

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5732

European-Non Finnish (NFE)

AF:

9.09e-7

AC:

AN:

1100004

Other (OTH)

AF:

0.0000333

AC:

AN:

59972

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

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:

0.0000722

AC:

AN:

152320

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74486

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41562

American (AMR)

AF:

0.00

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00212

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.548

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000718

ExAC

AF:

0.000140

AC:

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

FANCM-related disorder (1)

Fanconi anemia (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.094

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.12

Eigen

Benign

-0.64

Eigen_PC

Benign

-0.64

FATHMM_MKL

Benign

0.24

LIST_S2

Benign

0.57

M_CAP

Benign

0.0025

MetaRNN

Benign

0.0065

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.4

PhyloP100

3.3

PrimateAI

Benign

0.28

PROVEAN

Benign

-1.9

REVEL

Benign

0.15

Sift

Benign

0.031

Sift4G

Benign

0.33

Polyphen

0.0

Vest4

0.070

MVP

0.42

MPC

0.11

ClinPred

0.062

GERP RS

4.2

Varity_R

0.12

gMVP

0.45

Mutation Taster

=88/12

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over