Genetic Variant MKI67:p.Glu497Asp (chr10-128113592-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_002417.5(MKI67):c.1491G>T(p.Glu497Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000248 in 1,613,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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 0.00011 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

MKI67
NM_002417.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.257

Publications

23 publications found

Variant links:

Genes affected

MKI67 (HGNC:7107): (marker of proliferation Ki-67) Enables protein C-terminus binding activity. Involved in regulation of chromosome segregation and regulation of mitotic nuclear division. Located in chromosome; nuclear body; and nucleolus. Colocalizes with condensed chromosome. Implicated in Crohn's disease; breast cancer; human immunodeficiency virus infectious disease; and pancreatic cancer. Biomarker of several diseases, including Barrett's esophagus; autoimmune disease of musculoskeletal system (multiple); endocrine gland cancer (multiple); gastrointestinal system cancer (multiple); and interstitial cystitis. [provided by Alliance of Genome Resources, Apr 2022]

MKI67 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0944882).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MKI67	NM_002417.5 link	c.1491G>T	p.Glu497Asp	missense_variant	Exon 8 of 15	ENST00000368654.8	NP_002408.3	P46013-1
MKI67	NM_001145966.2 link	c.411G>T	p.Glu137Asp	missense_variant	Exon 7 of 14		NP_001139438.1	P46013-2
MKI67	XM_011539818.3 link	c.459G>T	p.Glu153Asp	missense_variant	Exon 5 of 12		XP_011538120.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MKI67	ENST00000368654.8 link	c.1491G>T	p.Glu497Asp	missense_variant	Exon 8 of 15	2	NM_002417.5	ENSP00000357643.3		P46013-1
MKI67	ENST00000368653.7 link	c.411G>T	p.Glu137Asp	missense_variant	Exon 7 of 14	2		ENSP00000357642.3		P46013-2

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152074

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000363

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000438

AC:

AN:

251266

AF XY:

0.0000368

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.000232

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000157

AC:

AN:

1461596

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

727116

show subpopulations

African (AFR)

AF:

0.000299

AC:

AN:

33470

American (AMR)

AF:

0.000179

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111776

Other (OTH)

AF:

0.0000497

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

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:

0.000112

AC:

AN:

152192

Hom.:

Cov.:

AF XY:

0.000134

AC XY:

AN XY:

74416

show subpopulations

African (AFR)

AF:

0.000361

AC:

AN:

41496

American (AMR)

AF:

0.000131

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68002

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

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.:

1790

ExAC

AF:

0.0000330

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.60

BayesDel_noAF

Benign

-0.73

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.030

.;T

Eigen

Benign

-0.17

Eigen_PC

Benign

-0.32

FATHMM_MKL

Benign

0.28

LIST_S2

Benign

0.44

T;T

M_CAP

Benign

0.0060

MetaRNN

Benign

0.094

T;T

MetaSVM

Benign

-0.98

MutationAssessor

Uncertain

2.1

.;M

PhyloP100

0.26

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.4

N;N

REVEL

Benign

0.13

Sift

Uncertain

0.017

D;T

Sift4G

Pathogenic

0.0

D;D

Polyphen

0.99

D;D

Vest4

0.027

MutPred

0.092

.;Loss of methylation at K502 (P = 0.1294);

MVP

0.27

MPC

0.057

ClinPred

0.20

GERP RS

0.71

Varity_R

0.070

gMVP

0.13

Mutation Taster

=98/2

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over