ENST00000641136.1:c.1051A>G

Variant names:

• chr14-105769319-T-C
• ENST00000641136.1:c.1049A>G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The ENST00000641136.1(IGHG3):​c.1049A>G​(p.Asn350Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 5/5 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: IGHG3 ENST00000641136.1 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -3.11

Genes affected

IGHG3 (HGNC:5527): (immunoglobulin heavy constant gamma 3 (G3m marker)) Predicted to enable antigen binding activity and immunoglobulin receptor binding activity. Involved in retina homeostasis. Located in blood microparticle and extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

IGH (HGNC:5477):

ACMG classification

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 (BayesDel_noAF=-1.07).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IGHG3	unassigned_transcript_2476	c.1049A>G	p.Asn350Ser	missense_variant	Exon 7 of 9
IGHG3	unassigned_transcript_2477	c.1049A>G	p.Asn350Ser	missense_variant	Exon 7 of 7
IGH		n.105769319T>C		intragenic_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IGHG3	ENST00000641136.1	c.1049A>G	p.Asn350Ser	missense_variant	Exon 7 of 9			ENSP00000492969.1
IGHG3	ENST00000390551.6	c.1049A>G	p.Asn350Ser	missense_variant	Exon 7 of 7	6		ENSP00000374993.2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 0

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-1.1
CADD	Benign	0.10
DANN	Benign	0.36

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr14-106235656;