chr1-117025727-C-T

Variant names:

• chr1-117025727-C-T
• rs779120171
• NM_001256106.3:c.2647C>T

Variant summary

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

The NM_001256106.3(CD101):​c.2647C>T​(p.His883Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,614,070 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H883N) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: CD101 NM_001256106.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.154
• Publications: 1 publications found

Genes affected

CD101 (HGNC:5949): (CD101 molecule) Predicted to enable hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amides. Predicted to be involved in cell surface receptor signaling pathway. Predicted to act upstream of or within positive regulation of myeloid leukocyte differentiation. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

CD101-AS1 (HGNC:55665): (CD101 antisense RNA 1)

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=0.16615438).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001256106.3. 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
	CD101	NM_001256106.3	MANE Select	c.2647C>T	p.His883Tyr	missense	Exon 8 of 10	NP_001243035.1	Q93033
	CD101	NM_001256109.3		c.2647C>T	p.His883Tyr	missense	Exon 8 of 10	NP_001243038.1	Q93033
	CD101	NM_004258.6		c.2647C>T	p.His883Tyr	missense	Exon 8 of 10	NP_004249.2	Q93033

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CD101	ENST00000682167.1	MANE Select	c.2647C>T	p.His883Tyr	missense	Exon 8 of 10	ENSP00000508039.1	Q93033
	CD101	ENST00000369470.1	TSL:1	c.2647C>T	p.His883Tyr	missense	Exon 8 of 10	ENSP00000358482.1	Q93033
	CD101	ENST00000256652.8	TSL:2	c.2647C>T	p.His883Tyr	missense	Exon 8 of 9	ENSP00000256652.4	Q93033

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152182 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

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: 0.0000294

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1461888 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 727244

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

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

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: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

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

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152182 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74334

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 41446

American (AMR) AF: 0.00 AC: 0 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5188

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10614

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000294 AC: 2 AN: 68042

Other (OTH) AF: 0.00 AC: 0 AN: 2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.00000000770867), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.069
BayesDel_addAF	Benign	-0.20	T
BayesDel_noAF	Benign	-0.52
CADD	Benign	9.0
DANN	Benign	0.96
DEOGEN2	Benign	0.17	T
Eigen	Benign	-0.57
Eigen_PC	Benign	-0.50
FATHMM_MKL	Benign	0.24	N
LIST_S2	Benign	0.59	T
M_CAP	Benign	0.0095	T
MetaRNN	Benign	0.17	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.8	L
PhyloP100		0.15
PrimateAI	Benign	0.39	T
PROVEAN	Uncertain	-3.0	D
REVEL	Benign	0.031
Sift	Benign	0.098	T
Sift4G	Benign	0.25	T
Polyphen		0.012	B
Vest4		0.069
MutPred		0.38		Gain of stability (P = 0.0417)
MVP		0.64
MPC		0.11
ClinPred		0.19	T
GERP RS		3.4
Varity_R		0.093
gMVP		0.16
Mutation Taster		=91/9	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		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: rs779120171; hg19: chr1-117568349;