chr18-23503683-C-T

Variant names:

• chr18-23503683-C-T
• rs112277818
• NM_013326.5:c.65C>T

Variant summary

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

The NM_001318707.1(RMC1):​c.-178C>T variant causes a 5 prime UTR premature start codon gain change. The variant allele was found at a frequency of 0.00000208 in 1,442,174 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: not found (cov: 33)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: RMC1 NM_001318707.1 5_prime_UTR_premature_start_codon_gain
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 4.21
• Publications: 5 publications found

Genes affected

RMC1 (HGNC:24326): (regulator of MON1-CCZ1) This gene encodes a colon cancer associated protein. [provided by RefSeq, Jan 2013]

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=0.16719502).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001318707.1. 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
	RMC1	NM_013326.5	MANE Select	c.65C>T	p.Pro22Leu	missense	Exon 1 of 20	NP_037458.3
	RMC1	NM_001318707.1		c.-178C>T		5_prime_UTR_premature_start_codon_gain	Exon 1 of 17	NP_001305636.1	Q96DM3
	RMC1	NM_001318708.1		c.-322C>T		5_prime_UTR_premature_start_codon_gain	Exon 1 of 19	NP_001305637.1	B7Z2Y1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RMC1	ENST00000269221.8	TSL:1 MANE Select	c.65C>T	p.Pro22Leu	missense	Exon 1 of 20	ENSP00000269221.2	Q96DM3
	RMC1	ENST00000590868.5	TSL:2	c.65C>T	p.Pro22Leu	missense	Exon 1 of 18	ENSP00000467007.1	K7ENL9
	RMC1	ENST00000615148.5	TSL:5	c.65C>T	p.Pro22Leu	missense	Exon 1 of 20	ENSP00000482573.2	A0A087WZD4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00 AC: 0 AN: 236056 AF XY: 0.00

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000208 AC: 3 AN: 1442174 Hom.: 0 Cov.: 31 AF XY: 0.00000418 AC XY: 3 AN XY: 717720

African (AFR) AF: 0.00 AC: 0 AN: 30630

American (AMR) AF: 0.00 AC: 0 AN: 43162

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25442

East Asian (EAS) AF: 0.00 AC: 0 AN: 37300

South Asian (SAS) AF: 0.0000118 AC: 1 AN: 84722

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53056

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5690

European-Non Finnish (NFE) AF: 0.00000181 AC: 2 AN: 1102882

Other (OTH) AF: 0.00 AC: 0 AN: 59290

GnomAD4 genome Cov.: 33

Alfa AF: 0.00000591 Hom.: 4

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Benign	-0.23	T
BayesDel_noAF	Benign	-0.57
CADD	Uncertain	23
DANN	Uncertain	0.98
DEOGEN2	Benign	0.013	T
Eigen	Benign	-0.22
Eigen_PC	Benign	-0.073
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.97	D
M_CAP	Uncertain	0.20	D
MetaRNN	Benign	0.17	T
MetaSVM	Benign	-1.1	T
PhyloP100		4.2
PROVEAN	Benign	-1.4	N
REVEL	Benign	0.033
Sift	Benign	0.30	T
Sift4G	Benign	0.24	T
Polyphen		0.085	B
Vest4		0.37
MutPred		0.33		Loss of loop (P = 0.0288)
MVP		0.093
MPC		0.40
ClinPred		0.53	D
GERP RS		3.7
PromoterAI		0.074	Neutral
Varity_R		0.18
gMVP		0.19
Mutation Taster		=83/17	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: rs112277818; hg19: chr18-21083647; COSMIC: COSV52574154; COSMIC: COSV52574154;