rs953781410

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014727.3(KMT2B):​c.1259C>A​(p.Pro420His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000148 in 1,347,036 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P420R) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 22)
Exomes 𝑓: 0.0000015 ( 0 hom. )

Consequence

KMT2B
NM_014727.3 missense

Scores

1
3
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.23
Variant links:
Genes affected
KMT2B (HGNC:15840): (lysine methyltransferase 2B) This gene encodes a protein which contains multiple domains including a CXXC zinc finger, three PHD zinc fingers, two FY-rich domains, and a SET (suppressor of variegation, enhancer of zeste, and trithorax) domain. The SET domain is a conserved C-terminal domain that characterizes proteins of the MLL (mixed-lineage leukemia) family. This gene is ubiquitously expressed in adult tissues. It is also amplified in solid tumor cell lines, and may be involved in human cancer. Two alternatively spliced transcript variants encoding distinct isoforms have been reported for this gene, however, the full length nature of the shorter transcript is not known. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.11689165).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KMT2BNM_014727.3 linkuse as main transcriptc.1259C>A p.Pro420His missense_variant 3/37 ENST00000420124.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KMT2BENST00000420124.4 linkuse as main transcriptc.1259C>A p.Pro420His missense_variant 3/371 NM_014727.3 P2

Frequencies

GnomAD3 genomes
Cov.:
22
GnomAD3 exomes
AF:
0.00000918
AC:
1
AN:
108898
Hom.:
0
AF XY:
0.0000179
AC XY:
1
AN XY:
55842
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000775
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000148
AC:
2
AN:
1347036
Hom.:
0
Cov.:
34
AF XY:
0.00000152
AC XY:
1
AN XY:
659460
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000142
Gnomad4 FIN exome
AF:
0.0000213
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
22

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.029
T
BayesDel_noAF
Benign
-0.28
CADD
Benign
15
DANN
Benign
0.94
DEOGEN2
Benign
0.033
T
Eigen
Benign
-0.71
Eigen_PC
Benign
-0.69
FATHMM_MKL
Benign
0.12
N
LIST_S2
Benign
0.35
T
M_CAP
Uncertain
0.13
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.69
T
MutationAssessor
Benign
0.55
N
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.67
T
PROVEAN
Benign
-1.4
N
REVEL
Benign
0.10
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0050
D
Polyphen
0.21
B
Vest4
0.27
MutPred
0.37
Loss of glycosylation at P420 (P = 0.0047);
MVP
0.18
ClinPred
0.13
T
GERP RS
1.7
Varity_R
0.085
gMVP
0.22

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs953781410; hg19: chr19-36211508; API