RHD*101G
(ISBT table: not listed)
This entry is an RHD allele.
RHD weak D 101G, RHD(Y34C), RHD(Y34C) [101G], RHD*101A>G, RHD*101G,
Molecular data
Nucleotides:
101A>G;
Amino acids: Y34C;
Hybrid allele encompassing at least one RHCE exon:
no
Comments on the molecular basis:
Extracellular position of one or more amino acid substitutions:
- extracellular loop 1
- extracellular
- residue 34 is predicted to be extracellular
- considered to be extracellular; Table S3
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: variable/discrepant (last update: Nov. 17, 2019)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: Aug. 15, 2020)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: rare descriptions, in individuals of Eastern Asian descent, or compatible with such descent (last update: June 16, 2020)Detailed reports
- 1/430 among samples with ambigous D phenotype in the French population Caucasian (in the French population) (Table S1)
- 1/2493 donors with apparent D negative phenotype (108/2493 were in fact weak D or DEL) Han Chinese (Shanxi Province, Central China)
- 1/32 donors suspected to have weak D or partial D phenotypes sent to a reference laboratory Chinese (Zhejiang Han)
- 1/45 (heterozygous with RHef00283) among 132479 donors screened, 45 had weak D phenotype in the northeastern Chinese Liaoning Province population
Allele or phenotype frequency
Structure mapping
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References
- Fichou Y et al. Establishment of a medium-throughput approach for the genotyping of RHD variants and report of nine novel rare alleles. Transfusion, 2013. [Citation] [RHeference]
- Ye SH et al. A comprehensive investigation of RHD polymorphisms in the Chinese Han population in Xi'an. Blood Transfus, 2014. [Citation] [RHeference]
- He J et al. Molecular basis and zygosity determination of D variants including identification of four novel alleles in Chinese individuals. Transfusion, 2015. [Citation] [RHeference]
- Zhang X et al. [Molecular mechanism of 101A>G and 845G>A mutations of RHD gene responsible for a weak RhD]. Zhonghua Yi Xue Yi Chuan Xue Za Zhi, 2015. [Citation] [RHeference]
- Zhang X et al. Molecular and computational analysis of 45 samples with a serologic weak D phenotype detected among 132,479 blood donors in northeast China. J Transl Med, 2019. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Aug. 22, 2020