NM_080870.4:c.*988T>G

Variant names:

• chr6-30954105-T-G
• rs3757340
• NM_080870.4:c.*988T>G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_080870.4(MUCL3):​c.*988T>G variant causes a 3 prime UTR 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 31)
• Consequence: MUCL3 NM_080870.4 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.497
• Publications: 30 publications found

Genes affected

MUCL3 (HGNC:21666): (mucin like 3) Predicted to be located in cytoplasm and plasma membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

HCG21 (HGNC:31335): (HLA complex group 21)

SFTA2 (HGNC:18386): (surfactant associated 2) Predicted to be located in Golgi apparatus; extracellular region; and transport vesicle. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.89).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_080870.4. 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
	MUCL3	NM_080870.4	MANE Select	c.*988T>G		3_prime_UTR	Exon 3 of 3	NP_543146.2
	HCG21	NR_138040.1		n.86+672A>C		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MUCL3	ENST00000462446.6	TSL:5 MANE Select	c.*988T>G		3_prime_UTR	Exon 3 of 3	ENSP00000417182.1
	HCG21	ENST00000419481.1	TSL:3	n.86+672A>C		intron	N/A
	SFTA2	ENST00000634371.2	TSL:5	n.196+672A>C		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 0

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
CADD	Benign	0.89
DANN	Benign	0.67
PhyloP100		-0.50

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: rs3757340; hg19: chr6-30921882;