1-169382754-G-T

Variant names:

• chr1-169382754-G-T
• rs1533519
• NM_001320973.2:c.1017+473G>T

Variant summary

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

The NM_003666.4(BLZF1):​c.1017+473G>T 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: 32)
• Consequence: BLZF1 NM_003666.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.204
• Publications: 0 publications found

Genes affected

BLZF1 (HGNC:1065): (basic leucine zipper nuclear factor 1) Enables ubiquitin protein ligase binding activity. Acts upstream of or within Golgi organization and Golgi to plasma membrane protein transport. Located in Golgi apparatus and nucleoplasm. Biomarker of hepatocellular carcinoma. [provided by Alliance of Genome Resources, Apr 2022]

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=-0.97).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003666.4. 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
	BLZF1	NM_001320973.2	MANE Select	c.1017+473G>T		intron	N/A	NP_001307902.1
	BLZF1	NM_003666.4		c.1017+473G>T		intron	N/A	NP_003657.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BLZF1	ENST00000367808.8	TSL:1 MANE Select	c.1017+473G>T		intron	N/A	ENSP00000356782.3
	BLZF1	ENST00000329281.6	TSL:1	c.1017+473G>T		intron	N/A	ENSP00000327541.2
	BLZF1	ENST00000899417.1		c.1068+473G>T		intron	N/A	ENSP00000569476.1

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.97
CADD	Benign	0.74
DANN	Benign	0.41
PhyloP100		-0.20

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: rs1533519; hg19: chr1-169351992;