IthaID: 665

Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: Pathogenic / Likely Pathogenic
Common Name: CD 91 CTT>TTT [Leu>Phe] HGVS Name: HBA1:c.274C>T
Hb Name: Hb Vientiane Protein Info: α1 91(FG3) Leu>Phe

Context nucleotide sequence:

Protein sequence:

Also known as: Hb Grey Lynn

External Links


Hemoglobinopathy Group: Structural Haemoglobinopathy
Hemoglobinopathy Subgroup: α-chain variant
Allele Phenotype:N/A
Stability: N/A
Oxygen Affinity: N/A
Associated Phenotypes: N/A


Chromosome: 16
Locus: NG_000006.1
Locus Location: 37970
Size: 1 bp
Located at: α1
Specific Location: Exon 2

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: Laotian
Molecular mechanism: N/A
Inheritance: Recessive
DNA Sequence Determined: Yes

In silico pathogenicity prediction

Sequence Viewer

Note: The NCBI Sequence Viewer is not installed on the ITHANET servers but it is embedded in this page from the NCBI. Therefore, IthaGenes has no responsibility over any temporary unavailability of the service. In such a case, please Refresh the page or retry at a later stage. Otherwise, use this external link.

Publications / Origin

  1. Brennan SO, Chan T, Sheen C, Novel hemoglobin (Hb Grey Lynn) substitution (alpha91Leu --> Phe) affects heme interactions and alpha1beta2 contacts., Clin. Chem. , 53(5), 990-1, 2007 PubMed
  2. Singha K, Fucharoen G, Fucharoen S, Interaction of hemoglobin Grey Lynn (Vientiane) with a non-deletional α(+)-thalassemia in an adult Thai proband., Biochem Med (Zagreb) , 24(1), 167-74, 2014 PubMed
Created on 2010-06-16 16:13:16, Last reviewed on 2014-04-14 11:23:21 (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.