chr19-17275683-C-G

Position:

• chr19-17275683-C-G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_014173.4(BABAM1):​c.545-118C>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00356 in 1,309,658 control chromosomes in the GnomAD database, including 118 homozygotes. 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: 𝑓 0.016 (67 hom., cov: 32)
  • Exomes 𝑓: 0.0019 (51 hom.)
• Consequence: BABAM1 NM_014173.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.169

Genes affected

BABAM1 (HGNC:25008): (BRISC and BRCA1 A complex member 1) Involved in several processes, including mitotic G2 DNA damage checkpoint signaling; positive regulation of DNA repair; and protein K63-linked deubiquitination. Located in cytosol and nuclear body. Part of BRCA1-A complex and BRISC complex. [provided by Alliance of Genome Resources, Apr 2022]

USHBP1 (HGNC:24058): (USH1 protein network component harmonin binding protein 1) Enables PDZ domain binding activity. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.63).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0534 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
BABAM1	NM_014173.4	c.545-118C>G		intron_variant		ENST00000598188.6	NP_054892.2
BABAM1	NM_001033549.3	c.545-118C>G		intron_variant			NP_001028721.1
BABAM1	NM_001288756.2	c.545-118C>G		intron_variant			NP_001275685.1
BABAM1	NM_001288757.2	c.345-812C>G		intron_variant			NP_001275686.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
BABAM1	ENST00000598188.6	c.545-118C>G		intron_variant		1	NM_014173.4	ENSP00000471605	P1

Frequencies

GnomAD3 genomes AF: 0.0160 AC: 2438 AN: 152132 Hom.: 67 Cov.: 32

Gnomad AFR AF: 0.0554

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00537

Gnomad ASJ AF: 0.00548

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000414

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00633

Gnomad NFE AF: 0.000220

Gnomad OTH AF: 0.0120

GnomAD4 exome AF: 0.00192 AC: 2220 AN: 1157408 Hom.: 51 AF XY: 0.00167 AC XY: 979 AN XY: 587224

Gnomad4 AFR exome AF: 0.0579

Gnomad4 AMR exome AF: 0.00338

Gnomad4 ASJ exome AF: 0.00685

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000140

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.000131

Gnomad4 OTH exome AF: 0.00434

GnomAD4 genome AF: 0.0160 AC: 2442 AN: 152250 Hom.: 67 Cov.: 32 AF XY: 0.0155 AC XY: 1157 AN XY: 74444

Gnomad4 AFR AF: 0.0553

Gnomad4 AMR AF: 0.00530

Gnomad4 ASJ AF: 0.00548

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000414

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000221

Gnomad4 OTH AF: 0.0118

Alfa AF: 0.0133 Hom.: 6

Bravo AF: 0.0193

Asia WGS AF: 0.00346 AC: 12 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.63
CADD	Benign	11
DANN	Benign	0.83

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

Publications

LitVar

Other links and lift over

dbSNP: rs75262583; hg19: chr19-17386492;