rs372770167

Variant names:

• chr2-231214912-C-A
• rs372770167
• NM_001352754.2:c.259C>A

Your query was ambiguous. Multiple possible variants found:

• chr2-231214912-C-A
• chr2-231214912-C-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_001352754.2(ARMC9):​c.259C>A​(p.Arg87Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000075 in 1,613,968 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: 𝑓 0.000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000076 (0 hom.)
• Consequence: ARMC9 NM_001352754.2 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 2.70
• Publications: 1 publications found

Genes affected

ARMC9 (HGNC:20730): (armadillo repeat containing 9) Predicted to be involved in cilium assembly and positive regulation of smoothened signaling pathway. Located in centriole and ciliary basal body. Implicated in Joubert syndrome 30. [provided by Alliance of Genome Resources, Apr 2022]

ARMC9 Gene-Disease associations (from GenCC):

• Joubert syndrome 30

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
• Joubert syndrome

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.62).
• BP6: Variant 2-231214912-C-A is Benign according to our data. Variant chr2-231214912-C-A is described in ClinVar as Likely_benign. ClinVar VariationId is 2164836.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=2.7 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001352754.2. 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
	ARMC9	NM_001352754.2	MANE Select	c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 25	NP_001339683.2	Q7Z3E5-1
	ARMC9	NM_001271466.4		c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 25	NP_001258395.2	Q7Z3E5-1
	ARMC9	NM_001291656.2		c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 21	NP_001278585.2	A0A2Q3DP09

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ARMC9	ENST00000611582.5	TSL:5 MANE Select	c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 25	ENSP00000484804.1	Q7Z3E5-1
	ARMC9	ENST00000349938.8	TSL:1	c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 21	ENSP00000258417.5	A0A2Q3DP09
	ARMC9	ENST00000958134.1		c.259C>A	p.Arg87Arg	synonymous	Exon 4 of 26	ENSP00000628193.1

Frequencies

GnomAD3 genomes AF: 0.0000657 AC: 10 AN: 152098 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: 0.0000943

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000103

Gnomad OTH AF: 0.000480

GnomAD2 exomes AF: 0.0000239 AC: 6 AN: 251478 AF XY: 0.0000221

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: 0.0000527

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000759 AC: 111 AN: 1461870 Hom.: 0 Cov.: 30 AF XY: 0.0000688 AC XY: 50 AN XY: 727236

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: 26134

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

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

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

European-Non Finnish (NFE) AF: 0.0000971 AC: 108 AN: 1111994

Other (OTH) AF: 0.0000497 AC: 3 AN: 60394

GnomAD4 genome AF: 0.0000657 AC: 10 AN: 152098 Hom.: 0 Cov.: 32 AF XY: 0.0000538 AC XY: 4 AN XY: 74302

African (AFR) AF: 0.0000242 AC: 1 AN: 41406

American (AMR) AF: 0.00 AC: 0 AN: 15262

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

East Asian (EAS) AF: 0.00 AC: 0 AN: 5192

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.0000943 AC: 1 AN: 10602

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.000103 AC: 7 AN: 68028

Other (OTH) AF: 0.000480 AC: 1 AN: 2084

Alfa AF: 0.0000282 Hom.: 0

Bravo AF: 0.0000416

EpiCase AF: 0.0000545

EpiControl AF: 0.00

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

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

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.62
CADD	Benign	5.2
DANN	Benign	0.66
PhyloP100		2.7
Mutation Taster		=100/0	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: rs372770167; hg19: chr2-232079625;