
IthaID: 1074
Names and Sequences
| Functionality: | Globin gene causative mutation | Pathogenicity: | Pathogenic / Likely Pathogenic | 
|---|---|---|---|
| Common Name: | CD 82 AAG>ATG | HGVS Name: | HBB:c.248A>T | 
| Hb Name: | Hb Helsinki | Protein Info: | β 82(EF6) Lys>Met | 
| Also known as: | 
We follow the 
						 
							HGVS sequence variant nomenclature
						
						and
						 
							 IUPAC standards.
						
					
					
					
Context nucleotide sequence:
GGCCTGGCTCACCTGGACAACCTCA [A/C/G/T] GGGCACCTTTGCCACACTGAGTGAG  (Strand: -)
Protein sequence:
MVHLTPEEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLMGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
Phenotype
| Hemoglobinopathy Group: | Structural Haemoglobinopathy | 
|---|---|
| Hemoglobinopathy Subgroup: | β-chain variant | 
| Allele Phenotype: | N/A | 
| Stability: | N/A | 
| Oxygen Affinity: | Increased Oxygen Affinity | 
| Associated Phenotypes: | N/A | 
Location
| Chromosome: | 11 | 
|---|---|
| Locus: | NG_000007.3 | 
| Locus Location: | 70972 | 
| Size: | 1 bp | 
| Located at: | β | 
| Specific Location: | Exon 2 | 
Other details
| Type of Mutation: | Point-Mutation(Substitution) | 
|---|---|
| Effect on Gene/Protein Function: | N/A | 
| Ethnic Origin: | Finnish, Malay | 
| Molecular mechanism: | Altered 2,3-DPG binding site | 
| Inheritance: | Recessive | 
| DNA Sequence Determined: | No | 
In silico pathogenicity prediction
Publications / Origin
- Ikkala E, Koskela J, Pikkarainen P, Rahiala EL, El-Hazmi MA, Nagai K, Lang A, Lehmann H, Hb Helsinki: a variant with a high oxygen affinity and a substitution at a 2,3-DPG binding site (beta82[EF6] Lys replaced by Met)., Acta haematologica, 56(5), 257-75, 1976
- Lee SY, Goh JH, Tan KML, Liu TC, Coinheritance of High Oxygen Affinity Hb Helsinki [HBB: c.248A>T; β82(EF6)Lys→Met] with Hb H Disease., Hemoglobin , 41(3), 209-212, 2017
					Created on 2010-06-16 16:13:16,
					Last reviewed on 2017-12-13 18:20:46					(Show full history)
				
				
			
 Disclaimer: The information on this website is provided as an information resource only
    and must not to be used as a substitute for professional diagnosis and treatment.
    The ITHANET Portal and IthaGenes are not responsible or liable for any advice, course of treatment,
    diagnosis or any other information, services or products that an individual obtains through this website.