2-241273257-A-T

Variant names:

• chr2-241273257-A-T
• rs6705421
• NM_005336.6:c.-102-4716T>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_005336.6(HDLBP):​c.-102-4716T>A variant causes a intron 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 30)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: HDLBP NM_005336.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.60
• Publications: 13 publications found

Genes affected

HDLBP (HGNC:4857): (high density lipoprotein binding protein) The protein encoded by this gene binds high density lipoprotein (HDL) and may function to regulate excess cholesterol levels in cells. The encoded protein also binds RNA and can induce heterochromatin formation. [provided by RefSeq, Mar 2016]

HDLBP-AS1 (HGNC:56103): (HDLBP antisense RNA 1)

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.95).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HDLBP	NM_005336.6	c.-102-4716T>A		intron_variant	Intron 1 of 27	ENST00000310931.10	NP_005327.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HDLBP	ENST00000310931.10	c.-102-4716T>A		intron_variant	Intron 1 of 27	1	NM_005336.6	ENSP00000312042.4

Frequencies

GnomAD3 genomes Cov.: 30

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 832638 Hom.: 0 Cov.: 24 AF XY: 0.00 AC XY: 0 AN XY: 384560

African (AFR) AF: 0.00 AC: 0 AN: 15770

American (AMR) AF: 0.00 AC: 0 AN: 984

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 5152

East Asian (EAS) AF: 0.00 AC: 0 AN: 3628

South Asian (SAS) AF: 0.00 AC: 0 AN: 16448

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 280

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 1620

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 761452

Other (OTH) AF: 0.00 AC: 0 AN: 27304

GnomAD4 genome Cov.: 30

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.95
CADD	Benign	0.83
DANN	Benign	0.54
PhyloP100		-1.6
PromoterAI		-0.031	Neutral
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1

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

dbSNP: rs6705421; hg19: chr2-242212672;