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chr12-112866796-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001143854.2(RPH3A):ā€‹c.400C>Gā€‹(p.Leu134Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000248 in 1,611,774 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 (ā˜…).

Frequency

Genomes: š‘“ 0.000020 ( 0 hom., cov: 32)
Exomes š‘“: 0.000025 ( 0 hom. )

Consequence

RPH3A
NM_001143854.2 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.32
Variant links:
Genes affected
RPH3A (HGNC:17056): (rabphilin 3A) The protein encoded by this gene is thought to be an effector for RAB3A, which is a small G protein that acts in the late stages of neurotransmitter exocytosis. The encoded protein may be involved in neurotransmitter release and synaptic vesicle traffic. [provided by RefSeq, Dec 2016]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.1011852).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RPH3ANM_001143854.2 linkuse as main transcriptc.400C>G p.Leu134Val missense_variant 7/22 ENST00000389385.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RPH3AENST00000389385.9 linkuse as main transcriptc.400C>G p.Leu134Val missense_variant 7/221 NM_001143854.2 P3Q9Y2J0-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152174
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000444
AC:
11
AN:
247988
Hom.:
0
AF XY:
0.0000224
AC XY:
3
AN XY:
133880
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000204
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000268
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.0000253
AC:
37
AN:
1459600
Hom.:
0
Cov.:
30
AF XY:
0.0000193
AC XY:
14
AN XY:
725842
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000202
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000225
Gnomad4 OTH exome
AF:
0.0000332
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152174
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74338
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000675
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000494
AC:
6
EpiCase
AF:
0.00
EpiControl
AF:
0.0000595

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 07, 2023The c.400C>G (p.L134V) alteration is located in exon 7 (coding exon 5) of the RPH3A gene. This alteration results from a C to G substitution at nucleotide position 400, causing the leucine (L) at amino acid position 134 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.067
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.36
CADD
Benign
23
DANN
Benign
0.96
DEOGEN2
Benign
0.11
T;T;T;T;T;.;T;T
Eigen
Benign
-0.24
Eigen_PC
Benign
-0.011
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.86
D;D;D;.;D;D;.;D
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.10
T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.90
T
MutationAssessor
Benign
-0.55
N;.;.;N;.;.;N;.
MutationTaster
Benign
0.92
N;N;N;N;N;N;N
PrimateAI
Benign
0.40
T
PROVEAN
Benign
0.21
N;N;N;N;N;N;N;N
REVEL
Benign
0.16
Sift
Benign
0.40
T;T;T;T;T;T;T;T
Sift4G
Benign
0.48
T;T;T;T;T;T;T;T
Polyphen
0.011
B;.;.;B;.;B;B;B
Vest4
0.29
MutPred
0.44
Gain of catalytic residue at R133 (P = 0.0031);Gain of catalytic residue at R133 (P = 0.0031);Gain of catalytic residue at R133 (P = 0.0031);Gain of catalytic residue at R133 (P = 0.0031);.;.;Gain of catalytic residue at R133 (P = 0.0031);.;
MVP
0.36
MPC
0.30
ClinPred
0.10
T
GERP RS
4.7
Varity_R
0.073
gMVP
0.17

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs567474017; hg19: chr12-113304601; API