rs144878666

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2BP4_ModerateBP7

The NM_005506.4(SCARB2):​c.1407G>C​(p.Ala469Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Consequence

SCARB2
NM_005506.4 synonymous

Scores

6

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.598
Variant links:
Genes affected
SCARB2 (HGNC:1665): (scavenger receptor class B member 2) The protein encoded by this gene is a type III glycoprotein that is located primarily in limiting membranes of lysosomes and endosomes. Earlier studies in mice and rat suggested that this protein may participate in membrane transportation and the reorganization of endosomal/lysosomal compartment. The protein deficiency in mice was reported to impair cell membrane transport processes and cause pelvic junction obstruction, deafness, and peripheral neuropathy. Further studies in human showed that this protein is a ubiquitously expressed protein and that it is involved in the pathogenesis of HFMD (hand, foot, and mouth disease) caused by enterovirus-71 and possibly by coxsackievirus A16. Mutations in this gene caused an autosomal recessive progressive myoclonic epilepsy-4 (EPM4), also known as action myoclonus-renal failure syndrome (AMRF). Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Feb 2011]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.06830534).
BP7
Synonymous conserved (PhyloP=-0.598 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SCARB2NM_005506.4 linkc.1407G>C p.Ala469Ala synonymous_variant Exon 12 of 12 ENST00000264896.8 NP_005497.1 Q14108-1A0A024RDG6
SCARB2NM_001204255.2 linkc.978G>C p.Ala326Ala synonymous_variant Exon 9 of 9 NP_001191184.1 Q14108-2
SCARB2XM_047416429.1 linkc.933G>C p.Ala311Ala synonymous_variant Exon 12 of 12 XP_047272385.1
SCARB2XM_047416430.1 linkc.933G>C p.Ala311Ala synonymous_variant Exon 12 of 12 XP_047272386.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SCARB2ENST00000264896.8 linkc.1407G>C p.Ala469Ala synonymous_variant Exon 12 of 12 1 NM_005506.4 ENSP00000264896.2 Q14108-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
30
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.34
CADD
Benign
1.3
DANN
Benign
0.44
FATHMM_MKL
Benign
0.14
N
LIST_S2
Benign
0.53
T
MetaRNN
Benign
0.068
T
GERP RS
-3.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-77082896; API