NM_017754.4:c.787G>T

Variant names:

• chr6-34835411-G-T
• NM_017754.4:c.787G>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_017754.4(BLTP3A):​c.787G>T​(p.Ala263Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: BLTP3A NM_017754.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 8.13
• Publications: 0 publications found

Genes affected

BLTP3A (HGNC:21216): (bridge-like lipid transfer protein family member 3A) Enables histone deacetylase binding activity and identical protein binding activity. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.34560496).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017754.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BLTP3A	NM_017754.4	MANE Select	c.787G>T	p.Ala263Ser	missense	Exon 7 of 21	NP_060224.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BLTP3A	ENST00000192788.6	TSL:1 MANE Select	c.787G>T	p.Ala263Ser	missense	Exon 7 of 21	ENSP00000192788.5	Q6BDS2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_addAF	Benign	-0.14	T
BayesDel_noAF	Benign	-0.43
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Benign	0.034	T
Eigen	Pathogenic	0.69
Eigen_PC	Pathogenic	0.68
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.91	D
M_CAP	Benign	0.0064	T
MetaRNN	Benign	0.35	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.5	L
PhyloP100		8.1
PrimateAI	Uncertain	0.72	T
PROVEAN	Benign	-1.7	N
REVEL	Benign	0.21
Sift	Benign	0.035	D
Sift4G	Benign	0.093	T
Polyphen		1.0	D
Vest4		0.38
MutPred		0.35		Gain of phosphorylation at A263 (P = 0.0129)
MVP		0.50
MPC		0.17
ClinPred		0.94	D
GERP RS		4.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.33
gMVP		0.62
Mutation Taster		=83/17	polymorphism

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

Other links and lift over

hg19: chr6-34803188;