2-151370130-T-C

Position:

• chr2-151370130-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_007115.4(TNFAIP6):​c.505T>C​(p.Tyr169His) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,802 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: TNFAIP6 NM_007115.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 4.69

Genes affected

TNFAIP6 (HGNC:11898): (TNF alpha induced protein 6) The protein encoded by this gene is a secretory protein that contains a hyaluronan-binding domain, and thus is a member of the hyaluronan-binding protein family. The hyaluronan-binding domain is known to be involved in extracellular matrix stability and cell migration. This protein has been shown to form a stable complex with inter-alpha-inhibitor (I alpha I), and thus enhance the serine protease inhibitory activity of I alpha I, which is important in the protease network associated with inflammation. This gene can be induced by proinflammatory cytokines such as tumor necrosis factor alpha and interleukin-1. Enhanced levels of this protein are found in the synovial fluid of patients with osteoarthritis and rheumatoid arthritis.[provided by RefSeq, Dec 2010]

LOC101929319 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TNFAIP6	NM_007115.4	c.505T>C	p.Tyr169His	missense_variant	4/6	ENST00000243347.5
LOC101929319	NR_110248.1	n.306+2665A>G		intron_variant, non_coding_transcript_variant
TNFAIP6	XM_047445635.1	c.505T>C	p.Tyr169His	missense_variant	4/6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TNFAIP6	ENST00000243347.5	c.505T>C	p.Tyr169His	missense_variant	4/6	1	NM_007115.4	P1
TNFAIP6	ENST00000460812.1	n.187T>C		non_coding_transcript_exon_variant	2/3	3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461802 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727206

Gnomad4 AFR exome AF: 0.0000299

Gnomad4 AMR exome AF: 0.00

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 Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 06, 2022

The c.505T>C (p.Y169H) alteration is located in exon 4 (coding exon 4) of the TNFAIP6 gene. This alteration results from a T to C substitution at nucleotide position 505, causing the tyrosine (Y) at amino acid position 169 to be replaced by a histidine (H). 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	0.30
BayesDel_addAF	Benign	-0.17	T
BayesDel_noAF	Benign	-0.48
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Benign	0.074	T
Eigen	Uncertain	0.35
Eigen_PC	Uncertain	0.43
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Uncertain	0.88	D
M_CAP	Benign	0.011	T
MetaRNN	Uncertain	0.44	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	-0.30	N
MutationTaster	Benign	1.0	D
PrimateAI	Uncertain	0.67	T
PROVEAN	Benign	-2.3	N
REVEL	Benign	0.16
Sift	Benign	0.38	T
Sift4G	Benign	0.087	T
Polyphen		0.97	D
Vest4		0.51
MutPred		0.37		Loss of ubiquitination at K168 (P = 0.184);
MVP		0.49
MPC		0.84
ClinPred		0.94	D
GERP RS		5.5
Varity_R		0.67
gMVP		0.53

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

Other links and lift over

dbSNP: rs1684789547; hg19: chr2-152226644;