2-79121669-G-A

Variant summary

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

The NM_002909.5(REG1A):​c.172G>A​(p.Val58Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,732 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

REG1A
NM_002909.5 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.28
Variant links:
Genes affected
REG1A (HGNC:9951): (regenerating family member 1 alpha) This gene is a type I subclass member of the Reg gene family. The Reg gene family is a multigene family grouped into four subclasses, types I, II, III and IV, based on the primary structures of the encoded proteins. This gene encodes a protein that is secreted by the exocrine pancreas. It is associated with islet cell regeneration and diabetogenesis and may be involved in pancreatic lithogenesis. Reg family members REG1B, REGL, PAP and this gene are tandemly clustered on chromosome 2p12 and may have arisen from the same ancestral gene by gene duplication. [provided by RefSeq, Jul 2008]

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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=0.040523708).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
REG1ANM_002909.5 linkc.172G>A p.Val58Ile missense_variant Exon 3 of 6 ENST00000233735.2 NP_002900.2 P05451A8K7G6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
REG1AENST00000233735.2 linkc.172G>A p.Val58Ile missense_variant Exon 3 of 6 1 NM_002909.5 ENSP00000233735.1 P05451
REG1AENST00000461579.1 linkn.544G>A non_coding_transcript_exon_variant Exon 2 of 2 1
REG1AENST00000488524.1 linkn.371G>A non_coding_transcript_exon_variant Exon 3 of 3 1
REG1AENST00000485184.1 linkn.199G>A non_coding_transcript_exon_variant Exon 2 of 4 2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251364
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135852
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:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461732
Hom.:
0
Cov.:
31
AF XY:
0.00000413
AC XY:
3
AN XY:
727200
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.0000165
AC:
2

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Aug 08, 2023
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.172G>A (p.V58I) alteration is located in exon 3 (coding exon 2) of the REG1A gene. This alteration results from a G to A substitution at nucleotide position 172, causing the valine (V) at amino acid position 58 to be replaced by an isoleucine (I). 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
0.095
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.65
CADD
Benign
0.042
DANN
Benign
0.80
DEOGEN2
Benign
0.085
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.0028
N
LIST_S2
Benign
0.24
T
M_CAP
Benign
0.0054
T
MetaRNN
Benign
0.041
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.54
N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-0.20
N
REVEL
Benign
0.086
Sift
Benign
0.40
T
Sift4G
Benign
0.40
T
Polyphen
0.0
B
Vest4
0.12
MVP
0.16
MPC
0.090
ClinPred
0.073
T
GERP RS
-2.5
Varity_R
0.032
gMVP
0.21

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: rs773602919; hg19: chr2-79348795; COSMIC: COSV52070773; API