rs145703017

Variant names:

• chr1-169376656-A-C
• rs145703017
• NM_001320973.2:c.145A>C

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001320973.2(BLZF1):​c.145A>C​(p.Ser49Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000621 in 1,613,392 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.00033 (1 hom., cov: 32)
  • Exomes 𝑓: 0.00065 (0 hom.)
• Consequence: BLZF1 NM_001320973.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 6.54
• Publications: 3 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 -4 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.056455076).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001320973.2. 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.145A>C	p.Ser49Arg	missense	Exon 3 of 7	NP_001307902.1	Q9H2G9-1
	BLZF1	NM_003666.4		c.145A>C	p.Ser49Arg	missense	Exon 3 of 8	NP_003657.1	Q9H2G9-1
	BLZF1	NM_001320972.2		c.145A>C	p.Ser49Arg	missense	Exon 3 of 3	NP_001307901.1	Q9H2G9-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BLZF1	ENST00000367808.8	TSL:1 MANE Select	c.145A>C	p.Ser49Arg	missense	Exon 3 of 7	ENSP00000356782.3	Q9H2G9-1
	BLZF1	ENST00000329281.6	TSL:1	c.145A>C	p.Ser49Arg	missense	Exon 3 of 8	ENSP00000327541.2	Q9H2G9-1
	BLZF1	ENST00000367807.7	TSL:1	c.145A>C	p.Ser49Arg	missense	Exon 3 of 3	ENSP00000356781.3	Q9H2G9-2

Frequencies

GnomAD3 genomes AF: 0.000329 AC: 50 AN: 152040 Hom.: 1 Cov.: 32

Gnomad AFR AF: 0.000169

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.000283

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000559

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.000431 AC: 108 AN: 250722 AF XY: 0.000413

Gnomad AFR exome AF: 0.000185

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.000324

Gnomad NFE exome AF: 0.000848

Gnomad OTH exome AF: 0.000327

GnomAD4 exome AF: 0.000652 AC: 952 AN: 1461234 Hom.: 0 Cov.: 31 AF XY: 0.000600 AC XY: 436 AN XY: 726950

African (AFR) AF: 0.0000299 AC: 1 AN: 33450

American (AMR) AF: 0.0000224 AC: 1 AN: 44638

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26094

East Asian (EAS) AF: 0.00 AC: 0 AN: 39678

South Asian (SAS) AF: 0.00 AC: 0 AN: 86232

European-Finnish (FIN) AF: 0.000356 AC: 19 AN: 53410

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5762

European-Non Finnish (NFE) AF: 0.000811 AC: 902 AN: 1111608

Other (OTH) AF: 0.000480 AC: 29 AN: 60362

GnomAD4 genome AF: 0.000329 AC: 50 AN: 152158 Hom.: 1 Cov.: 32 AF XY: 0.000255 AC XY: 19 AN XY: 74394

African (AFR) AF: 0.000168 AC: 7 AN: 41546

American (AMR) AF: 0.000131 AC: 2 AN: 15244

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5176

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.000283 AC: 3 AN: 10612

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.000559 AC: 38 AN: 67972

Other (OTH) AF: 0.00 AC: 0 AN: 2106

Alfa AF: 0.000670 Hom.: 0

Bravo AF: 0.000336

TwinsUK AF: 0.00135 AC: 5

ALSPAC AF: 0.00182 AC: 7

ESP6500AA AF: 0.000681 AC: 3

ESP6500EA AF: 0.000698 AC: 6

ExAC AF: 0.000568 AC: 69

EpiCase AF: 0.000491

EpiControl AF: 0.000356

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	0.24
BayesDel_addAF	Benign	-0.36	T
BayesDel_noAF	Benign	-0.30
CADD	Benign	22
DANN	Uncertain	0.99
DEOGEN2	Benign	0.071	T
Eigen	Benign	0.054
Eigen_PC	Benign	0.15
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Benign	0.53	T
M_CAP	Benign	0.029	D
MetaRNN	Benign	0.056	T
MetaSVM	Benign	-0.81	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		6.5
PrimateAI	Benign	0.34	T
PROVEAN	Uncertain	-3.0	D
REVEL	Benign	0.059
Sift	Uncertain	0.0020	D
Sift4G	Benign	0.096	T
Polyphen		0.96	D
Vest4		0.27
MutPred		0.27		Gain of solvent accessibility (P = 0.0023)
MVP		0.63
MPC		0.15
ClinPred		0.12	T
GERP RS		4.1
Varity_R		0.12
gMVP		0.46
Mutation Taster		=70/30	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

dbSNP: rs145703017; hg19: chr1-169345894;