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GeneBe

17-215694-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_006987.4(RPH3AL):c.836C>T(p.Pro279Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000495 in 1,274,586 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00039 ( 1 hom., cov: 34)
Exomes 𝑓: 0.00051 ( 0 hom. )

Consequence

RPH3AL
NM_006987.4 missense

Scores

3
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.254
Variant links:
Genes affected
RPH3AL (HGNC:10296): (rabphilin 3A like (without C2 domains)) The protein encoded by this gene plays a direct regulatory role in calcium-ion-dependent exocytosis in both endocrine and exocrine cells and plays a key role in insulin secretion by pancreatic cells. This gene is likely a tumor suppressor. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Jun 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.027298033).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RPH3ALNM_006987.4 linkuse as main transcriptc.836C>T p.Pro279Leu missense_variant 9/10 ENST00000331302.12
RPH3ALNM_001190411.2 linkuse as main transcriptc.836C>T p.Pro279Leu missense_variant 8/9
RPH3ALNM_001190412.2 linkuse as main transcriptc.749C>T p.Pro250Leu missense_variant 8/9
RPH3ALNM_001190413.2 linkuse as main transcriptc.749C>T p.Pro250Leu missense_variant 7/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RPH3ALENST00000331302.12 linkuse as main transcriptc.836C>T p.Pro279Leu missense_variant 9/102 NM_006987.4 P1Q9UNE2-1

Frequencies

GnomAD3 genomes
AF:
0.000361
AC:
55
AN:
152232
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.000289
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00124
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000514
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000948
AC:
2
AN:
21098
Hom.:
0
AF XY:
0.000102
AC XY:
1
AN XY:
9764
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.000225
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000509
AC:
571
AN:
1122236
Hom.:
0
Cov.:
31
AF XY:
0.000522
AC XY:
278
AN XY:
532178
show subpopulations
Gnomad4 AFR exome
AF:
0.000260
Gnomad4 AMR exome
AF:
0.000112
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000751
Gnomad4 SAS exome
AF:
0.000390
Gnomad4 FIN exome
AF:
0.000106
Gnomad4 NFE exome
AF:
0.000549
Gnomad4 OTH exome
AF:
0.000685
GnomAD4 genome
AF:
0.000394
AC:
60
AN:
152350
Hom.:
1
Cov.:
34
AF XY:
0.000456
AC XY:
34
AN XY:
74496
show subpopulations
Gnomad4 AFR
AF:
0.000409
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00124
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000514
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000485
Hom.:
0
Bravo
AF:
0.000287
ESP6500AA
AF:
0.000527
AC:
2
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000873
AC:
5

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 24, 2021The c.836C>T (p.P279L) alteration is located in exon 9 (coding exon 7) of the RPH3AL gene. This alteration results from a C to T substitution at nucleotide position 836, causing the proline (P) at amino acid position 279 to be replaced by a leucine (L). 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
0.071
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.46
Cadd
Benign
18
Dann
Uncertain
1.0
DEOGEN2
Benign
0.062
T;T;.;.
Eigen
Benign
-0.56
Eigen_PC
Benign
-0.55
FATHMM_MKL
Benign
0.41
N
LIST_S2
Benign
0.54
T;.;.;T
M_CAP
Benign
0.0029
T
MetaRNN
Benign
0.027
T;T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Uncertain
2.0
M;M;.;.
MutationTaster
Benign
0.98
N;N;N
PrimateAI
Benign
0.48
T
Sift4G
Uncertain
0.031
D;D;D;D
Polyphen
0.0060
B;B;B;B
Vest4
0.14
MVP
0.37
MPC
0.062
ClinPred
0.13
T
GERP RS
1.8
Varity_R
0.044
gMVP
0.16

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

LitVar

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

Other links and lift over

dbSNP: rs370194292; hg19: chr17-65485; COSMIC: COSV100047472; COSMIC: COSV100047472; API