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GeneBe

12-53506801-G-A

Variant summary

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

The NM_003717.4(NPFF):c.317C>T(p.Ala106Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000316 in 1,584,358 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 (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

NPFF
NM_003717.4 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.28
Variant links:
Genes affected
NPFF (HGNC:7901): (neuropeptide FF-amide peptide precursor) This gene encodes a member of the FMRFamide related peptide (FARP) family of neuropeptides. The encoded preproprotein is proteolytically processed to generate multiple amidated peptides. These peptides may play a role in the regulation of heart rate and blood pressure and the modulation of morphine-induced antinociception. Patients with hypertension exhibit decreased expression of the encoded protein. Alternative splicing results in multiple transcript variants, at least one of which encodes an isoform that is proteolytically processed. [provided by RefSeq, Feb 2016]

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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=0.053097248).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NPFFNM_003717.4 linkuse as main transcriptc.317C>T p.Ala106Val missense_variant 3/3 ENST00000267017.4
ATF7-NPFFNR_159377.1 linkuse as main transcriptn.2108C>T non_coding_transcript_exon_variant 15/15

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NPFFENST00000267017.4 linkuse as main transcriptc.317C>T p.Ala106Val missense_variant 3/31 NM_003717.4 P1O15130-1
NPFFENST00000448979.4 linkuse as main transcriptn.557C>T non_coding_transcript_exon_variant 2/21

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152196
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000880
AC:
2
AN:
227372
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
122228
show subpopulations
Gnomad AFR exome
AF:
0.0000626
Gnomad AMR exome
AF:
0.0000328
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000140
AC:
2
AN:
1432162
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
710006
show subpopulations
Gnomad4 AFR exome
AF:
0.0000309
Gnomad4 AMR exome
AF:
0.0000250
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152196
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.0000724
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.00000824
AC:
1

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 GeneticsJul 09, 2021The c.317C>T (p.A106V) alteration is located in exon 3 (coding exon 3) of the NPFF gene. This alteration results from a C to T substitution at nucleotide position 317, causing the alanine (A) at amino acid position 106 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
0.081
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.54
Cadd
Benign
18
Dann
Benign
0.93
DEOGEN2
Benign
0.010
T
Eigen
Benign
-0.83
Eigen_PC
Benign
-0.65
FATHMM_MKL
Benign
0.51
D
LIST_S2
Benign
0.67
T
M_CAP
Benign
0.0043
T
MetaRNN
Benign
0.053
T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
0.73
N
PrimateAI
Benign
0.37
T
PROVEAN
Benign
-0.10
N
REVEL
Benign
0.024
Sift
Benign
0.72
T
Sift4G
Benign
1.0
T
Polyphen
0.0030
B
Vest4
0.16
MVP
0.14
MPC
0.25
ClinPred
0.055
T
GERP RS
2.8
Varity_R
0.028
gMVP
0.047

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: rs758022066; hg19: chr12-53900585; API