rs1131692238

Variant names:

• chr17-39509731-G-T
• rs1131692238
• NM_016507.4:c.2636G>T

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2 PP3_Strong PP5

The NM_016507.4(CDK12):​c.2636G>T​(p.Gly879Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (no stars).

• Frequency: Genomes: not found (cov: 31)
• Consequence: CDK12 NM_016507.4 missense
• Clinical Significance: Likely pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 9.92
• Publications: 5 publications found

Genes affected

CDK12 (HGNC:24224): (cyclin dependent kinase 12) Enables RNA polymerase II CTD heptapeptide repeat kinase activity and cyclin binding activity. Involved in phosphorylation of RNA polymerase II C-terminal domain; protein autophosphorylation; and regulation of MAP kinase activity. Located in nuclear speck. Part of cyclin K-CDK12 complex. [provided by Alliance of Genome Resources, Apr 2022]

CDK12 Gene-Disease associations (from GenCC):

• Tourette syndrome

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.992
• PP5: Variant 17-39509731-G-T is Pathogenic according to our data. Variant chr17-39509731-G-T is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 431025.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016507.4. 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
	CDK12	NM_016507.4	MANE Select	c.2636G>T	p.Gly879Val	missense	Exon 7 of 14	NP_057591.2	Q9NYV4-1
	CDK12	NM_015083.4		c.2636G>T	p.Gly879Val	missense	Exon 7 of 14	NP_055898.1	Q9NYV4-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CDK12	ENST00000447079.6	TSL:1 MANE Select	c.2636G>T	p.Gly879Val	missense	Exon 7 of 14	ENSP00000398880.4	Q9NYV4-1
	CDK12	ENST00000430627.6	TSL:1	c.2636G>T	p.Gly879Val	missense	Exon 7 of 14	ENSP00000407720.2	Q9NYV4-2
	CDK12	ENST00000922307.1		c.2636G>T	p.Gly879Val	missense	Exon 7 of 13	ENSP00000592366.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 29

GnomAD4 genome Cov.: 31

ClinVar

ClinVar submissions

Significance: Likely pathogenic

Revision: no assertion criteria provided

Pathogenic	VUS	Benign	Condition
1	-	-	Lung adenocarcinoma (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.48	D
BayesDel_noAF	Pathogenic	0.45
CADD	Pathogenic	30
DANN	Uncertain	0.99
DEOGEN2	Benign	0.23	T
Eigen	Pathogenic	1.1
Eigen_PC	Pathogenic	1.0
FATHMM_MKL	Pathogenic	1.0	D
LIST_S2	Pathogenic	0.99	D
M_CAP	Pathogenic	0.59	D
MetaRNN	Pathogenic	0.99	D
MetaSVM	Pathogenic	1.0	D
MutationAssessor	Pathogenic	4.0	H
PhyloP100		9.9
PrimateAI	Pathogenic	0.91	D
PROVEAN	Pathogenic	-8.6	D
REVEL	Pathogenic	0.94
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.97
MutPred		0.94		Loss of disorder (P = 0.1098)
MVP		0.97
MPC		2.6
ClinPred		1.0	D
GERP RS		5.3
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.99
gMVP		0.99

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: rs1131692238; hg19: chr17-37665984; COSMIC: COSV104713463;