17-81941184-G-C

Position:

• chr17-81941184-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001145113.3(MYADML2):​c.558C>G​(p.Ser186Arg) 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. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: MYADML2 NM_001145113.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.362

Genes affected

MYADML2 (HGNC:34548): (myeloid associated differentiation marker like 2) Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

PYCR1 (HGNC:9721): (pyrroline-5-carboxylate reductase 1) This gene encodes an enzyme that catalyzes the NAD(P)H-dependent conversion of pyrroline-5-carboxylate to proline. This enzyme may also play a physiologic role in the generation of NADP(+) in some cell types. The protein forms a homopolymer and localizes to the mitochondrion. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2013]

ACMG classification

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=0.106068164).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
MYADML2	NM_001145113.3	c.558C>G	p.Ser186Arg	missense_variant	3/3	ENST00000409745.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MYADML2	ENST00000409745.2	c.558C>G	p.Ser186Arg	missense_variant	3/3	1	NM_001145113.3	P1
PYCR1	ENST00000582198.5	c.-24+1112C>G		intron_variant		5

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 16, 2021

The c.558C>G (p.S186R) alteration is located in exon 3 (coding exon 1) of the MYADML2 gene. This alteration results from a C to G substitution at nucleotide position 558, causing the serine (S) at amino acid position 186 to be replaced by an arginine (R). 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	Uncertain	0.44
BayesDel_addAF	Benign	-0.19	T
BayesDel_noAF	Benign	-0.51
CADD	Benign	9.9
DANN	Uncertain	0.98
DEOGEN2	Benign	0.0032	T
Eigen	Benign	-0.40
Eigen_PC	Benign	-0.36
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.76	T
M_CAP	Benign	0.0059	T
MetaRNN	Benign	0.11	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Uncertain	2.5	M
MutationTaster	Benign	0.89	D;D
PrimateAI	Uncertain	0.50	T
PROVEAN	Benign	-1.7	N
REVEL	Benign	0.085
Sift	Benign	0.27	T
Sift4G	Benign	0.36	T
Polyphen		0.0090	B
Vest4		0.25
MutPred		0.38		Loss of glycosylation at S186 (P = 0.0079);
MVP		0.040
ClinPred		0.42	T
GERP RS		1.6
Varity_R		0.16
gMVP		0.71

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr17-79899060;