RHD*01N.77
(ISBT table: RHD negative v4.0)
This entry is an RHD allele.
RHD(IVS9-1G>A), RHD*1228-1A , RHD*1228-1A (IVS9-1A, RHD*01N.77), RHD*1228-1G>A,
Molecular data
Nucleotides:
intronic 1228G>A;
Amino acids: 0;
Hybrid allele encompassing at least one RHCE exon:
no
Comments on the molecular basis:
Extracellular position of one or more amino acid substitutions:
- Silent or intronic mutations: none of the mutations are predicted to affect an extracellular amino acid.
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:-3,
- RH:-3 inferred from the reported RHCE phenotypes of the carriers
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: Ce? (last update: Jan. 8, 2021)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: D negative, at risk for anti-D (last update: Aug. 25, 2020)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: not expected, see phenotype data
Reports
Summary: exceptional description(s), in the Spanish, Caucasian population (last update: Dec. 22, 2019)Detailed reports
- 1/25 among 25 donor and prenatal patient samples from different countries with discrepancies between targeted genotyping and serology Caucasian (in the Spanish population)
- 1 hemizygote among 278 samples selected for the development of nonspecific quantitative next-generation sequencing. (non-random samples, may have been reported in other studies)
Allele or phenotype frequency
Structure mapping
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References
- International Society of Blood Transfusion et al. International Society of Blood Transfusion (ISBT) allele table Online ressource, 1935. — Online ressource — [RHeference]
- Garcia F et al. New RHD variant alleles. Transfusion, 2015. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
- Stef M et al. RH genotyping by nonspecific quantitative next-generation sequencing. Transfusion, 2020. [Citation] [RHeference]
Last update: Jan. 8, 2021