rs7747189

Positions:

• chr6-100409993-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_005068.3(SIM1):​c.1167+10797C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.271 in 152,050 control chromosomes in the GnomAD database, including 5,985 homozygotes. 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 0.27 (5985 hom., cov: 32)
• Consequence: SIM1 NM_005068.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.755

Genes affected

SIM1 (HGNC:10882): (SIM bHLH transcription factor 1) SIM1 and SIM2 genes are Drosophila single-minded (sim) gene homologs. SIM1 transcript was detected only in fetal kidney out of various adult and fetal tissues tested. Since the sim gene plays an important role in Drosophila development and has peak levels of expression during the period of neurogenesis,it was proposed that the human SIM gene is a candidate for involvement in certain dysmorphic features (particularly the facial and skull characteristics), abnormalities of brain development, and/or cognitive disability of Down syndrome. [provided by RefSeq, Jul 2008]

SIM1-AS1 (HGNC:):

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.85).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.556 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SIM1	NM_005068.3	c.1167+10797C>T		intron_variant		ENST00000369208.8
SIM1-AS1	XR_942815.4	n.890+15618G>A		intron_variant, non_coding_transcript_variant
SIM1	NM_001374769.1	c.1167+10797C>T		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SIM1	ENST00000369208.8	c.1167+10797C>T		intron_variant		1	NM_005068.3	P1
SIM1	ENST00000262901.4	c.1167+10797C>T		intron_variant		1		P1

Frequencies

GnomAD3 genomes AF: 0.271 AC: 41188 AN: 151932 Hom.: 5965 Cov.: 32

Gnomad AFR AF: 0.195

Gnomad AMI AF: 0.198

Gnomad AMR AF: 0.337

Gnomad ASJ AF: 0.256

Gnomad EAS AF: 0.573

Gnomad SAS AF: 0.260

Gnomad FIN AF: 0.292

Gnomad MID AF: 0.288

Gnomad NFE AF: 0.279

Gnomad OTH AF: 0.262

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.271 AC: 41240 AN: 152050 Hom.: 5985 Cov.: 32 AF XY: 0.274 AC XY: 20388 AN XY: 74330

Gnomad4 AFR AF: 0.195

Gnomad4 AMR AF: 0.338

Gnomad4 ASJ AF: 0.256

Gnomad4 EAS AF: 0.574

Gnomad4 SAS AF: 0.260

Gnomad4 FIN AF: 0.292

Gnomad4 NFE AF: 0.279

Gnomad4 OTH AF: 0.272

Alfa AF: 0.279 Hom.: 5852

Bravo AF: 0.273

Asia WGS AF: 0.400 AC: 1386 AN: 3470

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.85
CADD	Benign	4.5
DANN	Benign	0.84

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

Publications

LitVar

Other links and lift over

dbSNP: rs7747189; hg19: chr6-100857869;