16-89739939-A-C

Variant names:

• chr16-89739939-A-C
• rs7195906
• NM_001113525.2:c.*1693A>C

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001113525.2(ZNF276):​c.*1693A>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000688 in 1,452,956 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: 6.9e-7 (0 hom.)
• Consequence: ZNF276 NM_001113525.2 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.708
• Publications: 27 publications found

Genes affected

ZNF276 (HGNC:23330): (zinc finger protein 276) Enables sequence-specific double-stranded DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Located in kinetochore. [provided by Alliance of Genome Resources, Apr 2022]

FANCA (HGNC:3582): (FA complementation group A) The Fanconi anemia complementation group (FANC) currently includes FANCA, FANCB, FANCC, FANCD1 (also called BRCA2), FANCD2, FANCE, FANCF, FANCG, FANCI, FANCJ (also called BRIP1), FANCL, FANCM and FANCN (also called PALB2). The previously defined group FANCH is the same as FANCA. Fanconi anemia is a genetically heterogeneous recessive disorder characterized by cytogenetic instability, hypersensitivity to DNA crosslinking agents, increased chromosomal breakage, and defective DNA repair. The members of the Fanconi anemia complementation group do not share sequence similarity; they are related by their assembly into a common nuclear protein complex. This gene encodes the protein for complementation group A. Alternative splicing results in multiple transcript variants encoding different isoforms. Mutations in this gene are the most common cause of Fanconi anemia. [provided by RefSeq, Jul 2008]

FANCA Gene-Disease associations (from GenCC):

• Fanconi anemia complementation group A

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae), Myriad Women’s Health, G2P
• Fanconi anemia

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (REVEL=0.084).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001113525.2. 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
	ZNF276	NM_001113525.2	MANE Select	c.*1693A>C		3_prime_UTR	Exon 11 of 11	NP_001106997.1
	FANCA	NM_000135.4	MANE Select	c.3934+55T>G		intron	N/A	NP_000126.2
	ZNF276	NM_152287.4		c.*1693A>C		3_prime_UTR	Exon 11 of 11	NP_689500.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ZNF276	ENST00000443381.7	TSL:1 MANE Select	c.*1693A>C		3_prime_UTR	Exon 11 of 11	ENSP00000415836.2
	ZNF276	ENST00000289816.9	TSL:1	c.*1693A>C		3_prime_UTR	Exon 11 of 11	ENSP00000289816.5
	FANCA	ENST00000389301.8	TSL:1 MANE Select	c.3934+55T>G		intron	N/A	ENSP00000373952.3

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.88e-7 AC: 1 AN: 1452956 Hom.: 0 Cov.: 41 AF XY: 0.00 AC XY: 0 AN XY: 721100

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33228

American (AMR) AF: 0.00 AC: 0 AN: 44204

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25910

East Asian (EAS) AF: 0.0000253 AC: 1 AN: 39466

South Asian (SAS) AF: 0.00 AC: 0 AN: 85966

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53236

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5728

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1105322

Other (OTH) AF: 0.00 AC: 0 AN: 59896

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
CADD	Benign	0.97
DANN	Benign	0.15
PhyloP100		-0.71
PromoterAI		0.00060	Neutral

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: rs7195906; hg19: chr16-89806347;