chr22-42397899-C-A

Variant summary

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

The NM_145912.8(NFAM1):​c.622G>T​(p.Ala208Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000992 in 1,612,950 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

NFAM1
NM_145912.8 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.389
Variant links:
Genes affected
NFAM1 (HGNC:29872): (NFAT activating protein with ITAM motif 1) The protein encoded by this gene is a type I membrane receptor that activates cytokine gene promoters such as the IL-13 and TNF-alpha promoters. The encoded protein contains an immunoreceptor tyrosine-based activation motif (ITAM) and is thought to regulate the signaling and development of B-cells. [provided by RefSeq, Jul 2008]

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=0.024841756).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NFAM1NM_145912.8 linkuse as main transcriptc.622G>T p.Ala208Ser missense_variant 4/6 ENST00000329021.10 NP_666017.1
NFAM1NM_001371362.1 linkuse as main transcriptc.466G>T p.Ala156Ser missense_variant 6/8 NP_001358291.1
NFAM1NM_001318323.3 linkuse as main transcriptc.509G>T p.Cys170Phe missense_variant 3/5 NP_001305252.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NFAM1ENST00000329021.10 linkuse as main transcriptc.622G>T p.Ala208Ser missense_variant 4/61 NM_145912.8 ENSP00000333680 P1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152190
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000770
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:
0.0000520
AC:
13
AN:
250232
Hom.:
0
AF XY:
0.0000517
AC XY:
7
AN XY:
135300
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000709
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:
0.00000821
AC:
12
AN:
1460760
Hom.:
0
Cov.:
30
AF XY:
0.00000826
AC XY:
6
AN XY:
726758
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000227
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152190
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74336
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000770
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000540
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.0000741
AC:
9
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

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 27, 2023The c.622G>T (p.A208S) alteration is located in exon 4 (coding exon 4) of the NFAM1 gene. This alteration results from a G to T substitution at nucleotide position 622, causing the alanine (A) at amino acid position 208 to be replaced by a serine (S). 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
0.089
BayesDel_addAF
Benign
-0.54
T
BayesDel_noAF
Benign
-0.63
CADD
Benign
14
DANN
Uncertain
0.98
DEOGEN2
Benign
0.021
T
Eigen
Benign
-0.70
Eigen_PC
Benign
-0.89
FATHMM_MKL
Benign
0.060
N
LIST_S2
Benign
0.49
T
M_CAP
Benign
0.0066
T
MetaRNN
Benign
0.025
T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-1.2
N
REVEL
Benign
0.065
Sift
Benign
0.23
T
Sift4G
Benign
0.18
T
Polyphen
0.87
P
Vest4
0.23
MutPred
0.18
Gain of phosphorylation at A208 (P = 9e-04);
MVP
0.31
MPC
0.29
ClinPred
0.28
T
GERP RS
-1.1
Varity_R
0.053
gMVP
0.28

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: rs763995893; hg19: chr22-42793905; COSMIC: COSV105904279; API