4-17614716-C-T

Variant names:

• chr4-17614716-C-T
• rs375191348
• NM_025205.5:c.62C>T

Variant summary

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

The NM_025205.5(MED28):​c.62C>T​(p.Pro21Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,614,244 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 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. P21R) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 33)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: MED28 NM_025205.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.22
• Publications: 1 publications found

Genes affected

MED28 (HGNC:24628): (mediator complex subunit 28) Predicted to enable actin binding activity. Predicted to act upstream of or within negative regulation of smooth muscle cell differentiation and stem cell population maintenance. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

MED28-DT (HGNC:55567): (MED28 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=0.10150328).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025205.5. 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
	MED28	NM_025205.5	MANE Select	c.62C>T	p.Pro21Leu	missense	Exon 1 of 4	NP_079481.2
	MED28-DT	NR_186330.1		n.-136G>A		upstream_gene	N/A
	MED28-DT	NR_186331.1		n.-136G>A		upstream_gene	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MED28	ENST00000237380.12	TSL:1 MANE Select	c.62C>T	p.Pro21Leu	missense	Exon 1 of 4	ENSP00000237380.6	Q9H204
	MED28	ENST00000503945.2	TSL:1	n.53C>T		non_coding_transcript_exon	Exon 1 of 6	ENSP00000426529.1	H0YAA8
	MED28	ENST00000506409.1	TSL:2	n.69C>T		non_coding_transcript_exon	Exon 1 of 2

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152258 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000654

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000400 AC: 1 AN: 249938 AF XY: 0.00

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000289

Gnomad ASJ exome AF: 0.00

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: 0.00000205 AC: 3 AN: 1461868 Hom.: 0 Cov.: 31 AF XY: 0.00000413 AC XY: 3 AN XY: 727236

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

American (AMR) AF: 0.00 AC: 0 AN: 44722

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

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: 53408

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5766

European-Non Finnish (NFE) AF: 0.00000180 AC: 2 AN: 1112006

Other (OTH) AF: 0.0000166 AC: 1 AN: 60394

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152376 Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1 AN XY: 74512

African (AFR) AF: 0.00 AC: 0 AN: 41590

American (AMR) AF: 0.0000653 AC: 1 AN: 15310

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5180

South Asian (SAS) AF: 0.00 AC: 0 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10630

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68046

Other (OTH) AF: 0.00 AC: 0 AN: 2114

Alfa AF: 0.00 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	0.093
BayesDel_addAF	Benign	-0.12	T
BayesDel_noAF	Benign	-0.32
CADD	Benign	14
DANN	Benign	0.87
DEOGEN2	Benign	0.13	T
Eigen	Benign	-0.56
Eigen_PC	Benign	-0.53
FATHMM_MKL	Benign	0.40	N
LIST_S2	Benign	0.67	T
M_CAP	Benign	0.0094	T
MetaRNN	Benign	0.10	T
MetaSVM	Benign	-0.87	T
MutationAssessor	Benign	0.97	L
PhyloP100		1.2
PrimateAI	Benign	0.43	T
PROVEAN	Benign	-1.0	N
REVEL	Benign	0.16
Sift	Benign	0.081	T
Sift4G	Benign	0.064	T
Polyphen		0.071	B
Vest4		0.22
MutPred		0.20		Loss of glycosylation at P16 (P = 0.0042)
MVP		0.44
MPC		0.035
ClinPred		0.21	T
GERP RS		4.6
PromoterAI		0.020	Neutral
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.079
gMVP		0.54
Mutation Taster		=45/55	disease causing

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: rs375191348; hg19: chr4-17616339;