NM_016235.3:c.1167+630A>T

Variant names:

• chr16-19861207-T-A
• rs876856
• NM_016235.3:c.1167+630A>T

Variant summary

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

The NM_016235.3(GPRC5B):​c.1167+630A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000659 in 151,790 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: 𝑓 0.0000066 (0 hom., cov: 32)
• Consequence: GPRC5B NM_016235.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.871
• Publications: 2 publications found

Genes affected

GPRC5B (HGNC:13308): (G protein-coupled receptor class C group 5 member B) This gene encodes a member of the type 3 G protein-coupled receptor family. Members of this superfamily are characterized by a signature 7-transmembrane domain motif. The encoded protein may modulate insulin secretion and increased protein expression is associated with type 2 diabetes. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2015]

GPRC5B Gene-Disease associations (from GenCC):

• megalencephalic leukoencephalopathy with subcortical cysts 1

  Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
• megalencephalic leukoencephalopathy with subcortical cysts 3

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

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=-0.56).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GPRC5B	NM_016235.3	c.1167+630A>T		intron_variant	Intron 3 of 3	ENST00000300571.7	NP_057319.1
GPRC5B	NM_001304771.1	c.1560+630A>T		intron_variant	Intron 3 of 3		NP_001291700.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GPRC5B	ENST00000300571.7	c.1167+630A>T		intron_variant	Intron 3 of 3	1	NM_016235.3	ENSP00000300571.2

Frequencies

GnomAD3 genomes AF: 0.00000659 AC: 1 AN: 151790 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000242

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

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

GnomAD4 genome AF: 0.00000659 AC: 1 AN: 151790 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74110

African (AFR) AF: 0.0000242 AC: 1 AN: 41304

American (AMR) AF: 0.00 AC: 0 AN: 15212

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5178

South Asian (SAS) AF: 0.00 AC: 0 AN: 4812

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10544

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67964

Other (OTH) AF: 0.00 AC: 0 AN: 2084

Alfa AF: 0.00 Hom.: 50

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.56
CADD	Benign	8.5
DANN	Benign	0.85
PhyloP100		-0.87

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: rs876856; hg19: chr16-19872529;