rs377552488

Variant names:

• chr1-155941932-C-T
• rs377552488
• NM_181885.3:c.223C>T

Variant summary

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

The NM_181885.3(RXFP4):​c.223C>T​(p.Pro75Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,880 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: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: RXFP4 NM_181885.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.65
• Publications: 0 publications found

Genes affected

RXFP4 (HGNC:14666): (relaxin family peptide/INSL5 receptor 4) GPR100 is a member of the rhodopsin family of G protein-coupled receptors (GPRs) (Fredriksson et al., 2003 [PubMed 14623098]).[supplied by OMIM, Mar 2008]

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=0.06333864).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_181885.3. 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
	RXFP4	NM_181885.3	MANE Select	c.223C>T	p.Pro75Ser	missense	Exon 1 of 1	NP_871001.1	Q8TDU9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RXFP4	ENST00000368318.5	TSL:6 MANE Select	c.223C>T	p.Pro75Ser	missense	Exon 1 of 1	ENSP00000357301.4	Q8TDU9

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461880 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727238

⚠️ 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: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86252

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112008

Other (OTH) AF: 0.0000166 AC: 1 AN: 60396

⚠️ 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

Asia WGS AF: 0.000577 AC: 2 AN: 3478

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	0.13
BayesDel_addAF	Benign	-0.26	T
BayesDel_noAF	Benign	-0.61
CADD	Benign	13
DANN	Benign	0.85
DEOGEN2	Benign	0.0053	T
Eigen	Benign	-0.97
Eigen_PC	Benign	-0.81
FATHMM_MKL	Benign	0.11	N
LIST_S2	Benign	0.37	T
M_CAP	Benign	0.0017	T
MetaRNN	Benign	0.063	T
MetaSVM	Benign	-0.94	T
MutationAssessor	Benign	-1.4	N
PhyloP100		1.6
PrimateAI	Uncertain	0.52	T
PROVEAN	Benign	2.2	N
REVEL	Benign	0.054
Sift	Benign	0.48	T
Sift4G	Benign	0.89	T
Polyphen		0.0030	B
Vest4		0.21
MutPred		0.55		Loss of catalytic residue at P74 (P = 0.0193)
MVP		0.36
MPC		0.24
ClinPred		0.12	T
GERP RS		2.2
PromoterAI		0.0010	Neutral
Varity_R		0.023
gMVP		0.23
Mutation Taster		=96/4	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: rs377552488; hg19: chr1-155911723;