Genetic Variant MAF:p.His185_His187del (chr16-79599341-CGTGGTGGTG-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PM4

The NM_005360.5(MAF):c.553_561delCACCACCAC(p.His185_His187del) variant causes a conservative inframe deletion change. The variant allele was found at a frequency of 0.00000405 in 987,396 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000069 ( 0 hom., cov: 30)

Exomes 𝑓: 0.0000036 ( 0 hom. )

Consequence

MAF
NM_005360.5 conservative_inframe_deletion

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.82

Publications

0 publications found

Variant links:

Genes affected

MAF (HGNC:6776): (MAF bZIP transcription factor) The protein encoded by this gene is a DNA-binding, leucine zipper-containing transcription factor that acts as a homodimer or as a heterodimer. Depending on the binding site and binding partner, the encoded protein can be a transcriptional activator or repressor. This protein plays a role in the regulation of several cellular processes, including embryonic lens fiber cell development, increased T-cell susceptibility to apoptosis, and chondrocyte terminal differentiation. Defects in this gene are a cause of juvenile-onset pulverulent cataract as well as congenital cerulean cataract 4 (CCA4). Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2010]

MAF Gene-Disease associations (from GenCC):

Ayme-Gripp syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
cataract 21 multiple types
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Ambry Genetics
cataract - microcornea syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
cerulean cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
pulverulent cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Fine-Lubinsky syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

MAF links:

ENSG00000278058 (HGNC:):

ENSG00000278058 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PM4

Nonframeshift variant in NON repetitive region in NM_005360.5.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MAF	NM_005360.5 link	c.553_561delCACCACCAC	p.His185_His187del	conservative_inframe_deletion	Exon 1 of 2	ENST00000326043.5	NP_005351.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MAF	ENST00000326043.5 link	c.553_561delCACCACCAC	p.His185_His187del	conservative_inframe_deletion	Exon 1 of 2	1	NM_005360.5	ENSP00000327048.4

Frequencies

GnomAD3 genomes

AF:

0.00000687

AC:

AN:

145492

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000246

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:

0.00000356

AC:

AN:

841904

Hom.:

AF XY:

0.00000256

AC XY:

AN XY:

390102

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15920

American (AMR)

AF:

0.00

AC:

AN:

1424

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

5342

East Asian (EAS)

AF:

0.00

AC:

AN:

3968

South Asian (SAS)

AF:

0.00

AC:

AN:

17266

European-Finnish (FIN)

AF:

0.00

AC:

AN:

1434

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1648

European-Non Finnish (NFE)

AF:

0.00000391

AC:

AN:

767030

Other (OTH)

AF:

0.00

AC:

AN:

27872

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.408

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:

0.00000687

AC:

AN:

145492

Hom.:

Cov.:

AF XY:

0.0000141

AC XY:

AN XY:

70676

show subpopulations

African (AFR)

AF:

0.0000246

AC:

AN:

40646

American (AMR)

AF:

0.00

AC:

AN:

14680

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3376

East Asian (EAS)

AF:

0.00

AC:

AN:

4928

South Asian (SAS)

AF:

0.00

AC:

AN:

4772

European-Finnish (FIN)

AF:

0.00

AC:

AN:

8294

Middle Eastern (MID)

AF:

0.00

AC:

AN:

304

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

65578

Other (OTH)

AF:

0.00

AC:

AN:

2012

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

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

5.8

Mutation Taster

=75/125

disease causing

(source)

Splicing

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