Genetic Variant NLRP12:c.*395C>T (chr19-53793654-G-A) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_001277129.1(NLRP12):c.*395C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000368 in 146,896 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00037 ( 2 hom., cov: 26)

Exomes 𝑓: 0.00057 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

NLRP12
NM_001277129.1 3_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.06

Variant links:

Genes affected

NLRP12 (HGNC:22938): (NLR family pyrin domain containing 12) This gene encodes a member of the CATERPILLER family of cytoplasmic proteins. The encoded protein, which contains an N-terminal pyrin domain, a NACHT domain, a NACHT-associated domain, and a C-terminus leucine-rich repeat region, functions as an attenuating factor of inflammation by suppressing inflammatory responses in activated monocytes. Mutations in this gene cause familial cold autoinflammatory syndrome type 2. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2013]

NLRP12 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.96).

BS2

High AC in GnomAd4 at 54 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NLRP12	NM_144687.4 link	c.*395C>T		downstream_gene_variant		ENST00000324134.11	NP_653288.1	P59046-1

Ensembl

Gene	Transcript	HGVSc	Effect	TSL	MANE	Protein	UniProt
NLRP12	ENST00000324134.11 link	c.*395C>T	downstream_gene_variant	1	NM_144687.4	ENSP00000319377.6	P59046-1
NLRP12	ENST00000345770.9 link	c.*395C>T	downstream_gene_variant	1		ENSP00000341428.5	A0A0C4DH17
NLRP12	ENST00000391772.1 link	c.*395C>T	downstream_gene_variant	1		ENSP00000375652.1	A0A0C4DFY3

Frequencies

GnomAD3 genomes

AF:

0.000368

AC:

AN:

146802

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000101

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.0114

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00338

Gnomad NFE

AF:

0.000104

Gnomad OTH

AF:

0.00150

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.000573

AC:

AN:

116930

Hom.:

Cov.:

AF XY:

0.000415

AC XY:

AN XY:

62718

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000158

Gnomad4 ASJ exome

AF:

0.0140

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000516

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000299

Gnomad4 OTH exome

AF:

0.00100

GnomAD4 genome

AF:

0.000368

AC:

AN:

146896

Hom.:

Cov.:

AF XY:

0.000463

AC XY:

AN XY:

71300

show subpopulations

Gnomad4 AFR

AF:

0.000101

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.0114

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000104

Gnomad4 OTH

AF:

0.00149

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Familial cold autoinflammatory syndrome 2

Uncertain:1

Jan 13, 2018

Illumina Laboratory Services, Illumina

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.96

CADD

Benign

0.86

DANN

Benign

0.61

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over