NM_001122848.3:c.1838A>G

Variant names:

• chr12-191075-T-C
• rs372692550
• NM_001122848.3:c.1838A>G

Variant summary

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

The NM_001122848.3(SLC6A12):​c.1838A>G​(p.His613Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000852 in 1,174,074 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H613P) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 8.5e-7 (0 hom.)
• Consequence: SLC6A12 NM_001122848.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.900
• Publications: 0 publications found

Genes affected

SLC6A12 (HGNC:11045): (solute carrier family 6 member 12) Enables monocarboxylic acid transmembrane transporter activity. Involved in monocarboxylic acid transport. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be active in neuron projection. Predicted to be integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000255671 (HGNC:):

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=0.13143846).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001122848.3. 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
	SLC6A12	NM_001122848.3	MANE Select	c.1838A>G	p.His613Arg	missense	Exon 16 of 16	NP_001116320.1	P48065
	SLC6A12	NM_001122847.3		c.1838A>G	p.His613Arg	missense	Exon 16 of 16	NP_001116319.1	P48065
	SLC6A12	NM_001206931.2		c.1838A>G	p.His613Arg	missense	Exon 15 of 15	NP_001193860.1	P48065

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC6A12	ENST00000684302.1	MANE Select	c.1838A>G	p.His613Arg	missense	Exon 16 of 16	ENSP00000508194.1	P48065
	SLC6A12	ENST00000359674.8	TSL:1	c.1838A>G	p.His613Arg	missense	Exon 16 of 16	ENSP00000352702.4	P48065
	SLC6A12	ENST00000397296.6	TSL:1	c.1838A>G	p.His613Arg	missense	Exon 15 of 15	ENSP00000380464.2	P48065

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 8.52e-7 AC: 1 AN: 1174074 Hom.: 0 Cov.: 30 AF XY: 0.00000177 AC XY: 1 AN XY: 563926

⚠️ 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: 25216

American (AMR) AF: 0.00 AC: 0 AN: 19058

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 15676

East Asian (EAS) AF: 0.00 AC: 0 AN: 30784

South Asian (SAS) AF: 0.00 AC: 0 AN: 30372

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 42008

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 4730

European-Non Finnish (NFE) AF: 0.00000104 AC: 1 AN: 959276

Other (OTH) AF: 0.00 AC: 0 AN: 46954

⚠️ 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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.066
BayesDel_addAF	Benign	-0.11	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	18
DANN	Benign	0.97
DEOGEN2	Benign	0.075	T
Eigen	Benign	-0.40
Eigen_PC	Benign	-0.27
FATHMM_MKL	Uncertain	0.80	D
LIST_S2	Benign	0.56	T
M_CAP	Benign	0.035	D
MetaRNN	Benign	0.13	T
MetaSVM	Benign	-0.86	T
MutationAssessor	Benign	0.90	L
PhyloP100		0.90
PrimateAI	Benign	0.42	T
PROVEAN	Benign	-1.5	N
REVEL	Benign	0.072
Sift	Uncertain	0.0040	D
Sift4G	Uncertain	0.0060	D
Polyphen		0.025	B
Vest4		0.15
MutPred		0.33		Loss of methylation at K610 (P = 0.0328)
MVP		0.73
ClinPred		0.22	T
GERP RS		2.7
Varity_R		0.11
gMVP		0.36
Mutation Taster		=89/11	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: rs372692550; hg19: chr12-300241;