chr12-63624124-C-G

Variant names:

• chr12-63624124-C-G
• NM_173812.5:c.869G>C

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_173812.5(DPY19L2):​c.869G>C​(p.Arg290Pro) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: DPY19L2 NM_173812.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.68

Genes affected

DPY19L2 (HGNC:19414): (dpy-19 like 2) The protein encoded by this gene belongs to the dpy-19 family. It is highly expressed in testis, and is required for sperm head elongation and acrosome formation during spermatogenesis. Mutations in this gene are associated with an infertility disorder, spermatogenic failure type 9 (SPGF9). [provided by RefSeq, Dec 2011]

ENSG00000249753 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.883

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DPY19L2	NM_173812.5	c.869G>C	p.Arg290Pro	missense_variant	Exon 8 of 22	ENST00000324472.9	NP_776173.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DPY19L2	ENST00000324472.9	c.869G>C	p.Arg290Pro	missense_variant	Exon 8 of 22	1	NM_173812.5	ENSP00000315988.4
DPY19L2	ENST00000306389.7	n.*344+2345G>C		intron_variant	Intron 6 of 13	1		ENSP00000445878.1
ENSG00000249753	ENST00000509615.2	n.239-300G>C		intron_variant	Intron 1 of 1	5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

Inborn genetic diseases Uncertain:1

Jul 14, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.869G>C (p.R290P) alteration is located in exon 8 (coding exon 8) of the DPY19L2 gene. This alteration results from a G to C substitution at nucleotide position 869, causing the arginine (R) at amino acid position 290 to be replaced by a proline (P). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.94
BayesDel_addAF	Pathogenic	0.24	D
BayesDel_noAF	Uncertain	0.10
CADD	Pathogenic	29
DANN	Uncertain	1.0
DEOGEN2	Benign	0.20	T
Eigen	Uncertain	0.23
Eigen_PC	Benign	0.21
FATHMM_MKL	Uncertain	0.88	D
LIST_S2	Uncertain	0.97	D
M_CAP	Uncertain	0.15	D
MetaRNN	Pathogenic	0.88	D
MetaSVM	Benign	-0.74	T
PrimateAI	Pathogenic	0.85	D
PROVEAN	Pathogenic	-5.9	D
REVEL	Uncertain	0.62
Sift	Uncertain	0.0020	D
Sift4G	Uncertain	0.0020	D
Polyphen		1.0	D
Vest4		0.97
MutPred		0.70		Gain of catalytic residue at H285 (P = 0);
MVP		0.66
MPC		2.6
ClinPred		0.99	D
GERP RS		2.8
Varity_R		0.88
gMVP		0.96

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.070		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: chr12-64017904;