Genetic Variant AKR1C2:p.Phe46Ser (chr10-5001629-A-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001393392.1(AKR1C2):c.137T>C(p.Phe46Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,684 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. F46Y) has been classified as Benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

AKR1C2
NM_001393392.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.35

Publications

0 publications found

Variant links:

Genes affected

AKR1C2 (HGNC:385): (aldo-keto reductase family 1 member C2) This gene encodes a member of the aldo/keto reductase superfamily, which consists of more than 40 known enzymes and proteins. These enzymes catalyze the conversion of aldehydes and ketones to their corresponding alcohols using NADH and/or NADPH as cofactors. The enzymes display overlapping but distinct substrate specificity. This enzyme binds bile acid with high affinity, and shows minimal 3-alpha-hydroxysteroid dehydrogenase activity. This gene shares high sequence identity with three other gene members and is clustered with those three genes at chromosome 10p15-p14. Three transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

AKR1C2 Gene-Disease associations (from GenCC):

46,XY disorder of sex development due to testicular 17,20-desmolase deficiency
Inheritance: AR Classification: SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet

AKR1C2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.828

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001393392.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
AKR1C2	NM_001393392.1	MANE Select	c.137T>C	p.Phe46Ser	missense	Exon 2 of 9	NP_001380321.1
AKR1C2	NM_001354.6		c.137T>C	p.Phe46Ser	missense	Exon 4 of 11	NP_001345.1
AKR1C2	NM_205845.3		c.137T>C	p.Phe46Ser	missense	Exon 3 of 10	NP_995317.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
AKR1C2	ENST00000380753.9	TSL:1 MANE Select	c.137T>C	p.Phe46Ser	missense	Exon 2 of 9	ENSP00000370129.4
AKR1C2	ENST00000421196.7	TSL:1	c.137T>C	p.Phe46Ser	missense	Exon 2 of 8	ENSP00000392694.2
AKR1C2	ENST00000604507.5	TSL:5	c.137T>C	p.Phe46Ser	missense	Exon 3 of 7	ENSP00000474566.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461684

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727146

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111850

Other (OTH)

AF:

0.00

AC:

AN:

60394

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.95

BayesDel_addAF

Benign

-0.087

BayesDel_noAF

Benign

-0.36

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.20

Eigen

Benign

-0.14

Eigen_PC

Benign

-0.38

FATHMM_MKL

Benign

0.59

LIST_S2

Benign

0.82

M_CAP

Benign

0.0025

MetaRNN

Pathogenic

0.83

MetaSVM

Benign

-0.91

MutationAssessor

Benign

0.94

PhyloP100

1.4

PrimateAI

Uncertain

0.49

PROVEAN

Pathogenic

-6.9

REVEL

Benign

0.18

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.56

MutPred

0.71

Gain of disorder (P = 0.0021)

MVP

0.39

MPC

0.76

ClinPred

0.91

GERP RS

1.1

Varity_R

0.96

gMVP

0.77

Mutation Taster

=70/30

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over