ENST00000445503.5:n.-118G>A

Variant names:

• chr2-47782964-G-A
• rs910674971
• ENST00000652107.1:c.-37-7963G>A

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The ENST00000445503.5(MSH6):​n.-270G>A variant causes a upstream gene change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000328 in 244,050 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 0.000039 (0 hom., cov: 33)
  • Exomes 𝑓: 0.000022 (0 hom.)
• Consequence: MSH6 ENST00000445503.5 upstream_gene
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.43

Genes affected

MSH6 (HGNC:7329): (mutS homolog 6) This gene encodes a member of the DNA mismatch repair MutS family. In E. coli, the MutS protein helps in the recognition of mismatched nucleotides prior to their repair. A highly conserved region of approximately 150 aa, called the Walker-A adenine nucleotide binding motif, exists in MutS homologs. The encoded protein heterodimerizes with MSH2 to form a mismatch recognition complex that functions as a bidirectional molecular switch that exchanges ADP and ATP as DNA mismatches are bound and dissociated. Mutations in this gene may be associated with hereditary nonpolyposis colon cancer, colorectal cancer, and endometrial cancer. Transcripts variants encoding different isoforms have been described. [provided by RefSeq, Jul 2013]

ACMG classification

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.85).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MSH6	NM_000179.3	c.-270G>A		upstream_gene_variant		ENST00000234420.11	NP_000170.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MSH6	ENST00000234420.11	c.-270G>A		upstream_gene_variant		1	NM_000179.3	ENSP00000234420.5

Frequencies

GnomAD3 genomes AF: 0.0000395 AC: 6 AN: 151914 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.000145

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 AF: 0.0000217 AC: 2 AN: 92136 Hom.: 0 AF XY: 0.00 AC XY: 0 AN XY: 46938

African (AFR) AF: 0.000371 AC: 1 AN: 2694

American (AMR) AF: 0.00 AC: 0 AN: 2464

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3364

East Asian (EAS) AF: 0.00 AC: 0 AN: 7296

South Asian (SAS) AF: 0.00 AC: 0 AN: 964

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 6984

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 494

European-Non Finnish (NFE) AF: 0.0000162 AC: 1 AN: 61622

Other (OTH) AF: 0.00 AC: 0 AN: 6254

GnomAD4 genome AF: 0.0000395 AC: 6 AN: 151914 Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1 AN XY: 74190

African (AFR) AF: 0.000145 AC: 6 AN: 41400

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

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3462

East Asian (EAS) AF: 0.00 AC: 0 AN: 5150

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10574

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67922

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000264

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.85
CADD	Benign	0.70
DANN	Benign	0.90
PhyloP100		-1.4
PromoterAI		-0.099	Neutral

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Other links and lift over

dbSNP: rs910674971; hg19: chr2-48010103;