rs1304415662

Variant summary

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

The NM_020428.4(SLC44A2):​c.809T>C​(p.Leu270Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,726 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SLC44A2
NM_020428.4 missense

Scores

2
8
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.16

Publications

1 publications found
Variant links:
Genes affected
SLC44A2 (HGNC:17292): (solute carrier family 44 member 2 (CTL2 blood group)) Enables choline transmembrane transporter activity. Involved in choline transport and transmembrane transport. Located in mitochondrion and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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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, 0.759

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020428.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SLC44A2
NM_020428.4
MANE Select
c.809T>Cp.Leu270Pro
missense
Exon 10 of 22NP_065161.3
SLC44A2
NM_001363611.2
c.809T>Cp.Leu270Pro
missense
Exon 10 of 23NP_001350540.1Q8IWA5-2
SLC44A2
NM_001145056.2
c.803T>Cp.Leu268Pro
missense
Exon 10 of 22NP_001138528.1A0A088QCU6

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SLC44A2
ENST00000335757.10
TSL:1 MANE Select
c.809T>Cp.Leu270Pro
missense
Exon 10 of 22ENSP00000336888.4Q8IWA5-1
SLC44A2
ENST00000407327.8
TSL:1
c.803T>Cp.Leu268Pro
missense
Exon 10 of 22ENSP00000385135.3Q8IWA5-3
SLC44A2
ENST00000588465.5
TSL:1
n.718T>C
non_coding_transcript_exon
Exon 8 of 12

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251484
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
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:
0.00000137
AC:
2
AN:
1461726
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
727162
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33472
American (AMR)
AF:
0.0000447
AC:
2
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86250
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5718
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111926
Other (OTH)
AF:
0.00
AC:
0
AN:
60386
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
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
Cov.:
32

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
Pathogenic
0.84
BayesDel_addAF
Uncertain
0.028
T
BayesDel_noAF
Benign
-0.11
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.21
T
Eigen
Uncertain
0.38
Eigen_PC
Uncertain
0.39
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.036
D
MetaRNN
Pathogenic
0.76
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.6
M
PhyloP100
3.2
PrimateAI
Uncertain
0.75
T
PROVEAN
Benign
-0.84
N
REVEL
Benign
0.21
Sift
Benign
0.14
T
Sift4G
Benign
0.23
T
Polyphen
0.82
P
Vest4
0.90
MutPred
0.59
Loss of stability (P = 0.0152)
MVP
0.42
MPC
0.95
ClinPred
0.69
D
GERP RS
5.0
Varity_R
0.42
gMVP
0.93
Mutation Taster
=60/40
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: rs1304415662; hg19: chr19-10742818; API