rs147855072

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_018053.4(XKR8):​c.425C>T​(p.Thr142Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000698 in 1,612,648 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00051 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00072 ( 2 hom. )

Consequence

XKR8
NM_018053.4 missense

Scores

6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.54

Publications

3 publications found
Variant links:
Genes affected
XKR8 (HGNC:25508): (XK related 8) Enables phospholipid scramblase activity. Involved in engulfment of apoptotic cell; phosphatidylserine exposure on apoptotic cell surface; and positive regulation of myoblast differentiation. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.11743012).
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018053.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
XKR8
NM_018053.4
MANE Select
c.425C>Tp.Thr142Met
missense
Exon 2 of 3NP_060523.2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
XKR8
ENST00000373884.6
TSL:1 MANE Select
c.425C>Tp.Thr142Met
missense
Exon 2 of 3ENSP00000362991.5Q9H6D3
XKR8
ENST00000675759.1
c.32C>Tp.Thr11Met
missense
Exon 2 of 3ENSP00000502285.1A0A6Q8PGH8
XKR8
ENST00000675575.1
c.425C>Tp.Thr142Met
missense
Exon 2 of 4ENSP00000502552.1A0A6Q8PH47

Frequencies

GnomAD3 genomes
AF:
0.000512
AC:
78
AN:
152254
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.000217
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000867
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000387
AC:
95
AN:
245256
AF XY:
0.000398
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000205
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000111
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000742
Gnomad OTH exome
AF:
0.000500
GnomAD4 exome
AF:
0.000718
AC:
1048
AN:
1460276
Hom.:
2
Cov.:
31
AF XY:
0.000704
AC XY:
511
AN XY:
726338
show subpopulations
African (AFR)
AF:
0.0000598
AC:
2
AN:
33432
American (AMR)
AF:
0.000180
AC:
8
AN:
44502
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26092
East Asian (EAS)
AF:
0.0000757
AC:
3
AN:
39624
South Asian (SAS)
AF:
0.0000698
AC:
6
AN:
85932
European-Finnish (FIN)
AF:
0.0000188
AC:
1
AN:
53262
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5764
European-Non Finnish (NFE)
AF:
0.000899
AC:
999
AN:
1111356
Other (OTH)
AF:
0.000464
AC:
28
AN:
60312
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.477
Heterozygous variant carriers
0
59
119
178
238
297
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
42
84
126
168
210
<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:
0.000512
AC:
78
AN:
152372
Hom.:
0
Cov.:
34
AF XY:
0.000443
AC XY:
33
AN XY:
74510
show subpopulations
African (AFR)
AF:
0.000216
AC:
9
AN:
41598
American (AMR)
AF:
0.000457
AC:
7
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.000188
AC:
2
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.000867
AC:
59
AN:
68030
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
4
7
11
14
18
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000700
Hom.:
0
Bravo
AF:
0.000419
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00151
AC:
13
ExAC
AF:
0.000396
AC:
48

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.39
CADD
Uncertain
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.11
T
Eigen
Uncertain
0.25
Eigen_PC
Benign
0.15
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Benign
0.74
T
M_CAP
Benign
0.079
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.74
T
MutationAssessor
Uncertain
2.4
M
PhyloP100
1.5
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-2.3
N
REVEL
Benign
0.29
Sift
Uncertain
0.0050
D
Sift4G
Uncertain
0.0080
D
Polyphen
0.99
D
Vest4
0.21
MVP
0.40
MPC
0.56
ClinPred
0.14
T
GERP RS
3.5
Varity_R
0.22
gMVP
0.37
Mutation Taster
=91/9
polymorphism

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

Other links and lift over

dbSNP: rs147855072; hg19: chr1-28290139; API