12-121003658-G-C

Variant names:

• chr12-121003658-G-C
• rs1169312
• NM_022895.3:c.*495C>G

Variant summary

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

The NM_022895.3(C12orf43):​c.*495C>G variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 152,000 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: 𝑓 0.0000066 (0 hom., cov: 32)
• Consequence: C12orf43 NM_022895.3 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.587
• Publications: 17 publications found

Genes affected

C12orf43 (HGNC:25719): (chromosome 12 open reading frame 43) Predicted to be involved in Spemann organizer formation and negative regulation of Wnt signaling pathway. Predicted to be located in nuclear envelope. [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 (BayesDel_noAF=-0.88).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022895.3. 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
	C12orf43	NM_022895.3	MANE Select	c.*495C>G		3_prime_UTR	Exon 6 of 6	NP_075046.1
	C12orf43	NM_001286191.2		c.*495C>G		3_prime_UTR	Exon 6 of 6	NP_001273120.1
	C12orf43	NM_001286192.2		c.*495C>G		3_prime_UTR	Exon 6 of 6	NP_001273121.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	C12orf43	ENST00000288757.7	TSL:1 MANE Select	c.*495C>G		3_prime_UTR	Exon 6 of 6	ENSP00000288757.5
	C12orf43	ENST00000886556.1		c.*495C>G		3_prime_UTR	Exon 6 of 6	ENSP00000556615.1
	C12orf43	ENST00000886555.1		c.*495C>G		3_prime_UTR	Exon 6 of 6	ENSP00000556614.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152000 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

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: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 0

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152000 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74214

African (AFR) AF: 0.0000241 AC: 1 AN: 41412

American (AMR) AF: 0.00 AC: 0 AN: 15256

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5164

South Asian (SAS) AF: 0.00 AC: 0 AN: 4834

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10562

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67988

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 21825

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.88
CADD	Benign	0.76
DANN	Benign	0.38
PhyloP100		-0.59

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: rs1169312; hg19: chr12-121441461;