chr8-70706999-C-A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001011720.2(XKR9):​c.339C>A​(p.Phe113Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000036 in 1,613,090 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000033 ( 0 hom. )

Consequence

XKR9
NM_001011720.2 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.229

Publications

0 publications found
Variant links:
Genes affected
XKR9 (HGNC:20937): (XK related 9) Predicted to enable phospholipid scramblase activity. Predicted to be involved in apoptotic process involved in development; engulfment of apoptotic cell; and phosphatidylserine exposure on apoptotic cell surface. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification was made for transcript

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

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.02067855).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001011720.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
XKR9
NM_001011720.2
MANE Select
c.339C>Ap.Phe113Leu
missense
Exon 4 of 5NP_001011720.1Q5GH70
XKR9
NM_001287259.2
c.339C>Ap.Phe113Leu
missense
Exon 5 of 6NP_001274188.1Q5GH70
XKR9
NM_001287260.2
c.339C>Ap.Phe113Leu
missense
Exon 4 of 5NP_001274189.1Q5GH70

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
XKR9
ENST00000408926.8
TSL:1 MANE Select
c.339C>Ap.Phe113Leu
missense
Exon 4 of 5ENSP00000386141.3Q5GH70
XKR9
ENST00000520030.5
TSL:1
c.339C>Ap.Phe113Leu
missense
Exon 5 of 6ENSP00000431088.1Q5GH70
XKR9
ENST00000920915.1
c.339C>Ap.Phe113Leu
missense
Exon 4 of 5ENSP00000590974.1

Frequencies

GnomAD3 genomes
AF:
0.0000658
AC:
10
AN:
152004
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00202
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000637
AC:
16
AN:
251054
AF XY:
0.0000516
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.00119
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000329
AC:
48
AN:
1461086
Hom.:
0
Cov.:
31
AF XY:
0.0000303
AC XY:
22
AN XY:
726842
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33460
American (AMR)
AF:
0.0000224
AC:
1
AN:
44690
Ashkenazi Jewish (ASJ)
AF:
0.000919
AC:
24
AN:
26108
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39644
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86200
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53400
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5762
European-Non Finnish (NFE)
AF:
0.0000144
AC:
16
AN:
1111470
Other (OTH)
AF:
0.0000994
AC:
6
AN:
60352
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
3
6
9
12
15
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000658
AC:
10
AN:
152004
Hom.:
0
Cov.:
32
AF XY:
0.0000539
AC XY:
4
AN XY:
74240
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41400
American (AMR)
AF:
0.00
AC:
0
AN:
15254
Ashkenazi Jewish (ASJ)
AF:
0.00202
AC:
7
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5200
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10592
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
67954
Other (OTH)
AF:
0.00
AC:
0
AN:
2086
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.495
Heterozygous variant carriers
0
1
2
2
3
4
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:
0.000113
Hom.:
0
Bravo
AF:
0.0000680
ExAC
AF:
0.0000741
AC:
9
Asia WGS
AF:
0.000577
AC:
3
AN:
3478
EpiCase
AF:
0.0000546
EpiControl
AF:
0.0000593

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
0.25
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.59
CADD
Benign
1.2
DANN
Benign
0.75
DEOGEN2
Benign
0.0026
T
Eigen
Benign
-0.89
Eigen_PC
Benign
-0.88
FATHMM_MKL
Benign
0.030
N
LIST_S2
Benign
0.44
T
M_CAP
Benign
0.0053
T
MetaRNN
Benign
0.021
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.4
M
PhyloP100
-0.23
PrimateAI
Benign
0.40
T
PROVEAN
Benign
-0.18
N
REVEL
Benign
0.070
Sift
Benign
0.74
T
Sift4G
Benign
0.83
T
Polyphen
0.065
B
Vest4
0.17
MutPred
0.58
Loss of helix (P = 0.0626)
MVP
0.040
MPC
0.0020
ClinPred
0.027
T
GERP RS
0.83
Varity_R
0.047
gMVP
0.21
Mutation Taster
=98/2
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: rs747314955; hg19: chr8-71619234; COSMIC: COSV68772947; API