RHD*Ex3del,602G,667G,819A
(ISBT table: not listed)
This entry is an RHD allele.
RHD delEx3 type 1, RHD*(Ex3del) 602G,667G,819A, RHD*335+649del10625,602G,667G,819A, RHD*D-del(Ex3)-weak D type 4.0, RHD*Ex3del,602G,667G,819A, RHD*delEx3,602G,667G,819A,
Molecular data
Nucleotides:
exon deletion(s); 602C>G; 667T>G; 819G>A;
Amino acids: exon deletion(s) del(Ex3); T201R; F223V; A273A;
Hybrid allele encompassing at least one RHCE exon:
no
Comments on the molecular basis:
- Long-range PCR amplicon sequencing confirmed that RHD exon 3 sequences were deleted from Intron 2 to Intron 3: 335+649del10625
- LR-PCR showed a complete deletion of exon 3 (336-486del) with a partial deletion of intron 2
- see also RHef00116
Extracellular position of one or more amino acid substitutions:
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: D negative (DEL not excluded) (last update: May 19, 2020)Reports by D phenotype
Other RH phenotypes: RH:-2, -3,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: ce (last update: Jan. 6, 2021)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: D negative, at risk for anti-D (last update: Jan. 6, 2021)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: not expected, see phenotype data
Reports
Summary: exceptional description(s), Ethiopian and in the Finnish population (last update: Jan. 6, 2021)Detailed reports
- 1/662 among 662 pregnant patients with apparent D negative phenotype, enroled for fetal genotyping in Australia Ethiopian (in the Australian population)
- 1/16,253 samples of pregnant women with D negative of weak D (2+ or less), screened for fetal RHD in the Finnish population
Allele or phenotype frequency
Structure mapping
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References
- Hyland CA et al. Non-invasive fetal RHD genotyping for RhD negative women stratified into RHD gene deletion or variant groups: comparative accuracy using two blood collection tube types. Pathology, 2017. [Citation] [RHeference]
- Tammi SM et al. Next-generation sequencing of 35 RHD variants in 16 253 serologically D- pregnant women in the Finnish population. Blood Adv, 2020. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Jan. 6, 2021