Genetic Variant MLLT6:p.Arg188Gln (chr17-38711857-G-A) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_005937.4(MLLT6):c.563G>A(p.Arg188Gln) variant causes a missense change. The variant allele was found at a frequency of 0.0000286 in 1,571,674 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

MLLT6
NM_005937.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.06

Publications

2 publications found

Variant links:

Genes affected

MLLT6 (HGNC:7138): (MLLT6, PHD finger containing) Enables histone binding activity and nucleosome binding activity. Predicted to be involved in positive regulation of transcription by RNA polymerase II. Predicted to act upstream of or within several processes, including negative regulation of histone H3-K79 methylation; renal potassium excretion; and renal sodium excretion. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

MLLT6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.048388332).

BS2

High AC in GnomAd4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MLLT6	NM_005937.4 link	c.563G>A	p.Arg188Gln	missense_variant	Exon 7 of 20	ENST00000621332.5	NP_005928.2	P55198

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MLLT6	ENST00000621332.5 link	c.563G>A	p.Arg188Gln	missense_variant	Exon 7 of 20	1	NM_005937.4	ENSP00000479910.1	P55198
MLLT6	ENST00000620609.4 link	c.563G>A	p.Arg188Gln	missense_variant	Exon 7 of 9	1		ENSP00000482928.1	Q6P2C6
MLLT6	ENST00000620482.4 link	n.576G>A		non_coding_transcript_exon_variant	Exon 7 of 9	1
MLLT6	ENST00000618652.1 link	n.302G>A		non_coding_transcript_exon_variant	Exon 3 of 5	3

Frequencies

GnomAD3 genomes

AF:

0.0000592

AC:

AN:

152130

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

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:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000586

AC:

AN:

204860

AF XY:

0.0000817

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000726

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000552

Gnomad NFE exome

AF:

0.0000215

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000254

AC:

AN:

1419544

Hom.:

Cov.:

AF XY:

0.0000299

AC XY:

AN XY:

702932

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32250

American (AMR)

AF:

0.000105

AC:

AN:

38020

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23780

East Asian (EAS)

AF:

0.00

AC:

AN:

38648

South Asian (SAS)

AF:

0.000187

AC:

AN:

80096

European-Finnish (FIN)

AF:

0.0000193

AC:

AN:

51798

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5276

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

1091108

Other (OTH)

AF:

0.00

AC:

AN:

58568

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000592

AC:

AN:

152130

Hom.:

Cov.:

AF XY:

0.0000807

AC XY:

AN XY:

74312

show subpopulations

African (AFR)

AF:

0.0000724

AC:

AN:

41432

American (AMR)

AF:

0.000131

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.531

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000219

Hom.:

Bravo

AF:

0.0000642

ExAC

AF:

0.0000577

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 26, 2021

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.563G>A (p.R188Q) alteration is located in exon 7 (coding exon 7) of the MLLT6 gene. This alteration results from a G to A substitution at nucleotide position 563, causing the arginine (R) at amino acid position 188 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.34

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.014

T;T

Eigen

Benign

-0.49

Eigen_PC

Benign

-0.41

FATHMM_MKL

Uncertain

0.90

LIST_S2

Uncertain

0.87

D;D

M_CAP

Benign

0.013

MetaRNN

Benign

0.048

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.6

.;L

PhyloP100

4.1

PrimateAI

Uncertain

0.61

Sift4G

Benign

0.60

T;T

Polyphen

0.52

P;P

Vest4

0.40

MVP

0.27

ClinPred

0.073

GERP RS

3.3

RBP_binding_hub_radar

0.97

RBP_regulation_power_radar

2.1

Varity_R

0.060

gMVP

0.53

Mutation Taster

=98/2

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.090

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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17-38711857-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over