NM_000065.5:c.293A>C

Variant names:

• chr5-41201565-T-G
• rs121917779
• NM_000065.5:c.293A>C

Variant summary

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

The NM_000065.5(C6):​c.293A>C​(p.Glu98Ala) 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. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: C6 NM_000065.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.793
• Publications: 1 publications found

Genes affected

C6 (HGNC:1339): (complement C6) This gene encodes a component of the complement cascade. The encoded protein is part of the membrane attack complex that can be incorporated into the cell membrane and cause cell lysis. Mutations in this gene are associated with complement component-6 deficiency. Transcript variants encoding the same protein have been described.[provided by RefSeq, Nov 2012]

C6 Gene-Disease associations (from GenCC):

• complement component 6 deficiency

  Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

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=0.22865134).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
C6	NM_000065.5	c.293A>C	p.Glu98Ala	missense_variant	Exon 3 of 18	ENST00000337836.10	NP_000056.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
C6	ENST00000337836.10	c.293A>C	p.Glu98Ala	missense_variant	Exon 3 of 18	1	NM_000065.5	ENSP00000338861.5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.12
BayesDel_addAF	Benign	-0.23	T
BayesDel_noAF	Benign	-0.56
CADD	Benign	15
DANN	Uncertain	0.98
DEOGEN2	Benign	0.11	T;T;.
Eigen	Benign	-0.72
Eigen_PC	Benign	-0.75
FATHMM_MKL	Benign	0.73	D
LIST_S2	Benign	0.67	.;T;T
M_CAP	Benign	0.0039	T
MetaRNN	Benign	0.23	T;T;T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.60	N;N;.
PhyloP100		0.79
PrimateAI	Benign	0.24	T
PROVEAN	Benign	-2.2	N;N;N
REVEL	Benign	0.065
Sift	Uncertain	0.013	D;D;D
Sift4G	Uncertain	0.015	D;D;.
Polyphen		0.58	P;P;.
Vest4		0.24
MutPred		0.59		Loss of ubiquitination at K99 (P = 0.0332);Loss of ubiquitination at K99 (P = 0.0332);Loss of ubiquitination at K99 (P = 0.0332);
MVP		0.14
MPC		0.038
ClinPred		0.22	T
GERP RS		-1.1
Varity_R		0.27
gMVP		0.50
Mutation Taster		=82/18	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.050		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: rs121917779; hg19: chr5-41201667;