chr22-19788720-G-C

Variant names:

• chr22-19788720-G-C
• NM_053004.3:c.973C>G

Variant summary

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

The NM_053004.3(GNB1L):​c.973C>G​(p.Pro325Ala) variant causes a missense 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. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: GNB1L NM_053004.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.296
• Publications: 0 publications found

Genes affected

GNB1L (HGNC:4397): (G protein subunit beta 1 like) This gene encodes a G-protein beta-subunit-like polypeptide which is a member of the WD repeat protein family. WD repeats are minimally conserved regions of approximately 40 amino acids typically bracketed by gly-his and trp-asp (GH-WD), which may facilitate formation of heterotrimeric or multiprotein complexes. Members of this family are involved in a variety of cellular processes, including cell cycle progression, signal transduction, apoptosis, and gene regulation. This protein contains 6 WD repeats and is highly expressed in the heart. The gene maps to the region on chromosome 22q11, which is deleted in DiGeorge syndrome, trisomic in derivative 22 syndrome and tetrasomic in cat-eye syndrome. Therefore, this gene may contribute to the etiology of those disorders. Transcripts from this gene share exons with some transcripts from the C22orf29 gene. [provided by RefSeq, Jul 2008]

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 (MetaRNN=0.075944066).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_053004.3. 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
	GNB1L	NM_053004.3	MANE Select	c.973C>G	p.Pro325Ala	missense	Exon 8 of 8	NP_443730.1	Q9BYB4-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GNB1L	ENST00000329517.11	TSL:1 MANE Select	c.973C>G	p.Pro325Ala	missense	Exon 8 of 8	ENSP00000331313.6	Q9BYB4-1
	GNB1L	ENST00000403325.5	TSL:1	c.973C>G	p.Pro325Ala	missense	Exon 7 of 7	ENSP00000385154.1	Q9BYB4-1
	GNB1L	ENST00000405009.5	TSL:1	c.631-94C>G		intron	N/A	ENSP00000384626.1	Q9BYB4-2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

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	0.068
BayesDel_addAF	Benign	-0.28	T
BayesDel_noAF	Benign	-0.64
CADD	Benign	13
DANN	Benign	0.96
DEOGEN2	Benign	0.35	T
Eigen	Benign	-0.87
Eigen_PC	Benign	-0.85
FATHMM_MKL	Benign	0.22	N
LIST_S2	Benign	0.37	T
M_CAP	Benign	0.0085	T
MetaRNN	Benign	0.076	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.81	L
PhyloP100		0.30
PrimateAI	Benign	0.31	T
PROVEAN	Uncertain	-2.5	N
REVEL	Benign	0.024
Sift	Benign	0.056	T
Sift4G	Benign	0.20	T
Polyphen		0.0030	B
Vest4		0.040
MutPred		0.32		Gain of MoRF binding (P = 0.0158)
MVP		0.29
MPC		0.21
ClinPred		0.048	T
GERP RS		-0.062
Varity_R		0.049
gMVP		0.34
Mutation Taster		=90/10	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

hg19: chr22-19776243;