IthaID: 3790

Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: N/A
Common Name: -125 C>T HGVS Name: HBG2:c.-177C>T
Hb Name: N/A Protein Info: N/A

Context nucleotide sequence:

Also known as:

Comments: Found in a 26-year-old Chinese male presented with decreased levels of Hb 12.1 g/dL, MCV 70.0 fL, MCH 23.0 pg, and normal levels of RBC 5.26×1012/L and MCHC 329 g/L. Capillary electrophoresis shown abnormal hemoglobin electrophoresis results with elevated level of Hb F 87.9%, reduced level of Hb A 9.7% and normal level of Hb A2 2.4%. The patient was a β-thalassemia intermedia because of compound heterozygosity of CD 41/42 (-CTTT) [IthaID:147] and -28 (A>G) [IthaID:29] in HBB. He did not show anemia and is speculated that the -124 C>T in HBG2 may have alleviated the symptoms.

External Links


Hemoglobinopathy Group: HPFH
Hemoglobinopathy Subgroup: HPFH
Allele Phenotype:N/A
Associated Phenotypes: N/A


Chromosome: 11
Locus: NG_000007.3
Locus Location: 42710
Size: 1 bp
Located at:
Specific Location: Promoter

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Promoter (Transcription)
Ethnic Origin: Chinese
Molecular mechanism: N/A
Inheritance: Recessive
DNA Sequence Determined: Yes

In silico pathogenicity prediction

Sequence Viewer

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Publications / Origin

To the best of our knowledge, this is unpublished data. Please use with caution!


1Li, Youqiong2021-05-20First report.
Created on 2021-05-21 16:06:18, Last reviewed on 2022-01-20 11:20:11 (Show full history)

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