chr7-150737687-C-G

Position:

• chr7-150737687-C-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001199577.2(GIMAP1-GIMAP5):​c.585C>G​(p.Asp195Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000152 in 1,383,286 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 10/12 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 0.000015 (0 hom.)
• Consequence: GIMAP1-GIMAP5 NM_001199577.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.213

Genes affected

GIMAP1-GIMAP5 (HGNC:):

GIMAP5 (HGNC:18005): (GTPase, IMAP family member 5) This gene encodes a protein belonging to the GTP-binding superfamily and to the immuno-associated nucleotide (IAN) subfamily of nucleotide-binding proteins. In humans, the IAN subfamily genes are located in a cluster at 7q36.1. This gene encodes an antiapoptotic protein that functions in T-cell survival. Polymorphisms in this gene are associated with systemic lupus erythematosus. Read-through transcription exists between this gene and the neighboring upstream GIMAP1 (GTPase, IMAP family member 1) gene. [provided by RefSeq, Dec 2010]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.05672306).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
GIMAP1-GIMAP5	NM_001199577.2	c.585C>G	p.Asp195Glu	missense_variant	4/6		NP_001186506.1
GIMAP5	NM_018384.5	c.-28C>G		5_prime_UTR_variant	1/3	ENST00000358647.5	NP_060854.2
GIMAP1-GIMAP5	NM_001303630.2	c.201C>G	p.Asp67Glu	missense_variant	3/5		NP_001290559.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
GIMAP5	ENST00000358647.5	c.-28C>G		5_prime_UTR_variant	1/3	1	NM_018384.5	ENSP00000351473	P1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome AF: 0.0000152 AC: 21 AN: 1383286 Hom.: 0 Cov.: 31 AF XY: 0.0000117 AC XY: 8 AN XY: 682554

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000195

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 31

Bravo AF: 0.00000378

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

Sep 14, 2022

The c.585C>G (p.D195E) alteration is located in exon 4 (coding exon 3) of the GIMAP1-GIMAP5 gene. This alteration results from a C to G substitution at nucleotide position 585, causing the aspartic acid (D) at amino acid position 195 to be replaced by a glutamic acid (E). 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
BayesDel_addAF	Benign	-0.12	T
BayesDel_noAF	Benign	-0.42
CADD	Benign	5.2
DANN	Benign	0.62
Eigen	Benign	-1.1
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.035	N
LIST_S2	Benign	0.19	T
MetaRNN	Benign	0.057	T
MetaSVM	Benign	-1.0	T
MutationTaster	Benign	1.0	N
PrimateAI	Benign	0.40	T
Sift4G	Benign	0.39	T
Vest4		0.087
MVP		0.030
ClinPred		0.090	T
GERP RS		0.90
gMVP		0.35

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

LitVar

Other links and lift over

dbSNP: rs1797535991; hg19: chr7-150434775;