11-65539092-C-T

Variant names:

• chr11-65539092-C-T
• rs1047991308
• NM_001130144.3:c.3900G>A

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_001130144.3(LTBP3):​c.3900G>A​(p.Gln1300Gln) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000783 in 1,276,418 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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: 33)
  • Exomes 𝑓: 7.8e-7 (0 hom.)
• Consequence: LTBP3 NM_001130144.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.51

Genes affected

LTBP3 (HGNC:6716): (latent transforming growth factor beta binding protein 3) The protein encoded by this gene forms a complex with transforming growth factor beta (TGF-beta) proteins and may be involved in their subcellular localization. Activation of this complex requires removal of the encoded binding protein. This protein also may play a structural role in the extracellular matrix. Three transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jan 2010]

ACMG classification

Verdict is Likely_benign. Variant got -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.44).
• BP7: Synonymous conserved (PhyloP=1.51 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LTBP3	NM_001130144.3	c.3900G>A	p.Gln1300Gln	synonymous_variant	Exon 28 of 28	ENST00000301873.11	NP_001123616.1
LTBP3	NM_021070.4	c.3759G>A	p.Gln1253Gln	synonymous_variant	Exon 27 of 27		NP_066548.2
LTBP3	NM_001164266.1	c.3408G>A	p.Gln1136Gln	synonymous_variant	Exon 27 of 27		NP_001157738.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LTBP3	ENST00000301873.11	c.3900G>A	p.Gln1300Gln	synonymous_variant	Exon 28 of 28	2	NM_001130144.3	ENSP00000301873.5

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 7.83e-7 AC: 1 AN: 1276418 Hom.: 0 Cov.: 31 AF XY: 0.00000160 AC XY: 1 AN XY: 625542

Gnomad4 AFR exome AF: 0.00

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: 9.81e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.44
CADD	Benign	13
DANN	Uncertain	0.98

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

Other links and lift over

dbSNP: rs1047991308; hg19: chr11-65306563;