13-41192913-C-G

Variant names:

• chr13-41192913-C-G
• rs200426275
• NM_032138.7:c.1345G>C

Variant summary

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

The NM_032138.7(KBTBD7):​c.1345G>C​(p.Val449Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,894 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 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. V449I) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 0.0000027 (0 hom.)
• Consequence: KBTBD7 NM_032138.7 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.89
• Publications: 1 publications found

Genes affected

KBTBD7 (HGNC:25266): (kelch repeat and BTB domain containing 7) The protein encoded by this gene is a transcriptional activator, having been shown to increase the transcription of activator protein-1 and serum response element. The encoded protein can also form a complex with KBTBD6 and CUL3, which regulates the ubiquitylation and degradation of TIAM1, which is a regulator of RAC1. [provided by RefSeq, Jul 2016]

KBTBD6-DT (HGNC:56824): (KBTBD6 divergent transcript)

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=0.092089474).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032138.7. 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
	KBTBD7	NM_032138.7	MANE Select	c.1345G>C	p.Val449Leu	missense	Exon 1 of 1	NP_115514.2
	KBTBD6-DT	NR_120423.1		n.350+30510C>G		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	KBTBD7	ENST00000379483.4	TSL:6 MANE Select	c.1345G>C	p.Val449Leu	missense	Exon 1 of 1	ENSP00000368797.3	Q8WVZ9
	KBTBD6-DT	ENST00000619407.4	TSL:2	n.339+30510C>G		intron	N/A
	KBTBD6-DT	ENST00000661006.1		n.245+30510C>G		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD2 exomes AF: 0.0000119 AC: 3 AN: 251488 AF XY: 0.00000736

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000578

Gnomad ASJ exome AF: 0.0000992

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000274 AC: 4 AN: 1461894 Hom.: 0 Cov.: 31 AF XY: 0.00000275 AC XY: 2 AN XY: 727248

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.0000671 AC: 3 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.0000383 AC: 1 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

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: 0.00 AC: 0 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 31

Alfa AF: 0.00000418 Hom.: 0

Bravo AF: 0.00000378

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.12
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.36
CADD	Benign	13
DANN	Benign	0.80
DEOGEN2	Benign	0.19	T
Eigen	Benign	-0.42
Eigen_PC	Benign	-0.26
FATHMM_MKL	Uncertain	0.91	D
LIST_S2	Benign	0.76	T
M_CAP	Benign	0.017	T
MetaRNN	Benign	0.092	T
MetaSVM	Benign	-0.70	T
MutationAssessor	Benign	0.26	N
PhyloP100		2.9
PrimateAI	Uncertain	0.48	T
PROVEAN	Benign	-0.50	N
REVEL	Benign	0.15
Sift	Benign	0.54	T
Sift4G	Benign	0.16	T
Polyphen		0.0020	B
Vest4		0.079
MutPred		0.48		Loss of methylation at K450 (P = 0.0648)
MVP		0.57
MPC		0.68
ClinPred		0.073	T
GERP RS		4.7
Varity_R		0.11
gMVP		0.89
Mutation Taster		=83/17	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: rs200426275; hg19: chr13-41767049;