NM_207391.3:c.112C>G

Variant names:

• chr19-32676375-C-G
• rs1967998677
• NM_207391.3:c.112C>G

Variant summary

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

The NM_207391.3(RGS9BP):​c.112C>G​(p.Gln38Glu) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,458,806 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 34)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: RGS9BP NM_207391.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.56
• Publications: 0 publications found

Genes affected

RGS9BP (HGNC:30304): (regulator of G protein signaling 9 binding protein) The protein encoded by this gene functions as a regulator of G protein-coupled receptor signaling in phototransduction. Studies in bovine and mouse show that this gene is expressed only in the retina, and is localized in the rod outer segment membranes. This protein is associated with a heterotetrameric complex, specifically interacting with the regulator of G-protein signaling 9, and appears to function as the membrane anchor for the other largely soluble interacting partners. Mutations in this gene are associated with prolonged electroretinal response suppression (PERRS), also known as bradyopsia. [provided by RefSeq, Mar 2010]

ANKRD27 (HGNC:25310): (ankyrin repeat domain 27) Enables guanyl-nucleotide exchange factor activity and small GTPase binding activity. Involved in endocytic recycling and negative regulation of SNARE complex assembly. Acts upstream of or within early endosome to late endosome transport. Located in endosome; lysosome; and plasma membrane. Implicated in eosinophilic esophagitis. [provided by Alliance of Genome Resources, Apr 2022]

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 (MetaRNN=0.03062898).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_207391.3. 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
	RGS9BP	NM_207391.3	MANE Select	c.112C>G	p.Gln38Glu	missense	Exon 1 of 1	NP_997274.2	Q6ZS82

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RGS9BP	ENST00000334176.4	TSL:6 MANE Select	c.112C>G	p.Gln38Glu	missense	Exon 1 of 1	ENSP00000334134.3	Q6ZS82
	ANKRD27	ENST00000590519.2	TSL:5	c.-620G>C		5_prime_UTR	Exon 1 of 4	ENSP00000464819.1	K7EIN0

Frequencies

GnomAD3 genomes Cov.: 34

GnomAD4 exome AF: 6.85e-7 AC: 1 AN: 1458806 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 725814

⚠️ 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: 33374

American (AMR) AF: 0.00 AC: 0 AN: 44670

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26076

East Asian (EAS) AF: 0.00 AC: 0 AN: 39662

South Asian (SAS) AF: 0.00 AC: 0 AN: 86204

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 51520

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5622

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111378

Other (OTH) AF: 0.0000166 AC: 1 AN: 60300

⚠️ 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.: 34

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.050
BayesDel_addAF	Benign	-0.28	T
BayesDel_noAF	Benign	-0.64
CADD	Benign	15
DANN	Benign	0.93
DEOGEN2	Benign	0.039	T
Eigen	Benign	-0.96
Eigen_PC	Benign	-0.72
FATHMM_MKL	Benign	0.18	N
LIST_S2	Benign	0.73	T
M_CAP	Benign	0.0061	T
MetaRNN	Benign	0.031	T
MetaSVM	Benign	-0.95	T
MutationAssessor	Benign	-2.5	N
PhyloP100		5.6
PrimateAI	Benign	0.31	T
PROVEAN	Benign	1.3	N
REVEL	Benign	0.11
Sift	Benign	1.0	T
Sift4G	Benign	1.0	T
Polyphen		0.0	B
Vest4		0.044
MutPred		0.21		Loss of MoRF binding (P = 0.0445)
MVP		0.43
ClinPred		0.44	T
GERP RS		2.4
PromoterAI		0.026	Neutral
Varity_R		0.055
gMVP		0.073
Mutation Taster		=87/13	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: rs1967998677; hg19: chr19-33167281;