rs587778494

Positions:

• chr7-152180964-T-A
• chr7-152180964-T-C
• chr7-152180964-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 3P and 2B. PM2 PP2 BP4_Moderate

The NM_170606.3(KMT2C):​c.6896A>T​(p.Tyr2299Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: KMT2C NM_170606.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.33

Genes affected

KMT2C (HGNC:13726): (lysine methyltransferase 2C) This gene is a member of the myeloid/lymphoid or mixed-lineage leukemia (MLL) family and encodes a nuclear protein with an AT hook DNA-binding domain, a DHHC-type zinc finger, six PHD-type zinc fingers, a SET domain, a post-SET domain and a RING-type zinc finger. This protein is a member of the ASC-2/NCOA6 complex (ASCOM), which possesses histone methylation activity and is involved in transcriptional coactivation. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP2: Missense variant in gene, where missense usually causes diseases (based on misZ statistic), KMT2C. . Gene score misZ 2.1357 (greater than the threshold 3.09). Trascript score misZ 4.2875 (greater than threshold 3.09). GenCC has associacion of gene with intellectual disability, autosomal dominant 40, syndromic intellectual disability, Kleefstra syndrome 2.
• BP4: Computational evidence support a benign effect (MetaRNN=0.137312).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
KMT2C	NM_170606.3	c.6896A>T	p.Tyr2299Phe	missense_variant	36/59	ENST00000262189.11	NP_733751.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KMT2C	ENST00000262189.11	c.6896A>T	p.Tyr2299Phe	missense_variant	36/59	1	NM_170606.3	ENSP00000262189	P2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.098
BayesDel_addAF	Benign	-0.00049	T
BayesDel_noAF	Benign	-0.24
CADD	Benign	18
DANN	Benign	0.94
DEOGEN2	Benign	0.080	T;T
Eigen	Benign	-0.67
Eigen_PC	Benign	-0.54
FATHMM_MKL	Benign	0.67	D
LIST_S2	Benign	0.85	.;D
M_CAP	Benign	0.058	D
MetaRNN	Benign	0.14	T;T
MetaSVM	Benign	-0.75	T
MutationAssessor	Uncertain	2.4	M;M
MutationTaster	Benign	0.83	N;N
PrimateAI	Benign	0.41	T
PROVEAN	Benign	-1.3	N;N
REVEL	Benign	0.16
Sift	Benign	0.29	T;T
Polyphen		0.0030	B;B
Vest4		0.48
MutPred		0.14		Loss of phosphorylation at Y2299 (P = 0.0032);Loss of phosphorylation at Y2299 (P = 0.0032);
MVP		0.50
MPC		0.40
ClinPred		0.33	T
GERP RS		2.7
Varity_R		0.065
gMVP		0.22

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		Details are displayed if max score is > 0.2

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

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr7-151878049;