RHD*01EL.28 - RHD*DEL28
(ISBT table: weak D and Del v5.0)
This entry is an RHD allele.
RHD(993delC), RHD*993delC, RHD*993delC (DEL28),
Molecular data
Nucleotides:
993del1;
Amino acids: F332Sfs*27;
Hybrid allele encompassing at least one RHCE exon:
no
Comments on the molecular basis:
Extracellular position of one or more amino acid substitutions:
- No RhD protein is expected to be produced. However a DEL or D positive phenotype has been reported (see Phenotype section), implying the contrary. The resulting antigen may have an altered conformation.
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: DEL (last update: Nov. 17, 2019)Reports by D phenotype
Other RH phenotypes: RH:
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: unknown (last update: Dec. 9, 2020)ce | Ce | cE | CE | |
---|---|---|---|---|
ce | 0 | 0 | 0 | 0 |
Ce | 0 | 0 | 0 | |
cE | 0 | 0 | ||
CE | 0 |
Reports by CcEe phenotype
Reports by allele association
Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: no published cases (last update: Nov. 17, 2019)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: exceptional description(s), possibly in the German population (last update: Dec. 22, 2019)Detailed reports
- 1 sample? reported by a German lab (LN680540)
- 1/136000 among about 136.000 donors with D negative phenotype, systematically tested for the presence of the RHD gene; the RHD gene was detected in 300 donors in the German population (some samples may overlap with other studies)
Allele or phenotype frequency
Structure mapping
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Slab | Ctrl+Second | Not Available |
References
- International Society of Blood Transfusion et al. International Society of Blood Transfusion (ISBT) allele table Online ressource, 1935. — Online ressource — [RHeference]
- National Center for Biotechnology Information et al. Data from Genbank submission Online ressource, 1982. — Online ressource — [RHeference]
- Wagner F. et al. Results of more than ten years testing of RhD negative first time donors by RHD PCR Transfus Med Hemother, 2019. — Abstract — [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Dec. 22, 2019