IthaID: 824



Names and Sequences

Functionality: Globin gene causative mutation Pathogenicity: Pathogenic / Likely Pathogenic
Common Name: CD 6 GAG>GTG [Glu>Val] HGVS Name: HBB:c.20A>T
Hb Name: HbS Protein Info: β 6(A3) Glu>Val
Also known as: Sickle-cell

We follow the HGVS sequence variant nomenclature and IUPAC standards.

Context nucleotide sequence:
GACACCATGGTGCATCTGACTCCTG [A/C/G/T] GGAGAAGTCTGCCGTTACTGCCCTG (Strand: -)

Protein sequence:
MVHLTPVEKSAVTALWGKVNVDEVGGEALGRLLVVYPWTQRFFESFGDLSTPDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH

Phenotype

Hemoglobinopathy Group: Structural Haemoglobinopathy
Hemoglobinopathy Subgroup: β-chain variant
Allele Phenotype:Sickling
Stability: N/A
Oxygen Affinity: N/A
Associated Phenotypes: Haemolytic anaemia [HP:0001878]

Location

Chromosome: 11
Locus: NG_000007.3
Locus Location: 70614
Size: 1 bp
Located at: β
Specific Location: Exon 1

Other details

Type of Mutation: Point-Mutation(Substitution)
Effect on Gene/Protein Function: Missense codons (Protein Structure)
Ethnic Origin: African, Indian, and many other
Molecular mechanism: Altered secondary structure
Inheritance: Recessive
DNA Sequence Determined: Yes

HPLC

Disclaimer: The HPLC images are provided as an information resource only. Bio-Rad Laboratories, Inc and the ITHANET Portal disclaim responsibility and have no liability if this information is used for diagnostic or treatment purposes. D-10™ and VARIANT™ are registered trademarks of Bio-Rad Laboratories, Inc. and used with permission. Redistribution and use of the above material is allowed only with permission by Bio-Rad Laboratories, Inc. To access HPLC images and reports for different variants, use the IthaChrom tool.
ID Hb Variant Gene Instrument Method Area (%) Ret Time (min) Comments
6 HbS β D-10 Dual Kit Program 34.2 4.06 Heterozygous / Sickle Cell Trait [PDF]
10 HbS β D-10 HbA1c Program 40 1.65 Heterozygous / Sickle Cell Trait [PDF]
12 HbS β D-10 HbA1c Program 81.2 1.65 Homozygous [PDF]
27 HbS β D-10 Dual Kit Program 52.7 4.04 Compound heterozygote between HbS and HPFH [PDF]
36 HbS β D-10 HbA1c Program 38.2 1.77 Compound heterozygote between HbS and HbC [PDF]
45 HbS β D-10 Dual Kit Program 21.3 4.11 HbS heterozygote with alpha thalassaemia (HbS + alpha-thal 2). [PDF]
230 HbS β D-10 Dual Kit Program 83.3 4.02 Homozygote. Classical chromatogram of an SS patient. [PDF]
236 HbS β D-10 Dual Kit Program 88.5 4.04 Homozygous Hb S. The trace amount of HbA remains from a blood transfusion. [PDF]
241 HbS β D-10 Dual Kit Program 70.3 4.04 Homozygous HbS recently transfused. [PDF]
247 HbS β D-10 Dual Kit Program 23.3 4.1 HbS carrier with homozygous alpha + thalassemia. [PDF]
251 HbS β D-10 Dual Kit Program 74.1 4.07 [PDF]
262 HbS β D-10 Dual Kit Program 74.8 4.04 Classical chromatogram of a SS patient, the high HbF level suggests that the patient may be heterozygote (or perhaps homozygote) for one of the haplotype stimulating HbF synthesis. [PDF]
313 HbS β D-10 Dual Kit Program 32.4 4.08 Homozygous HbS recently transfused (Exchange transfused) [PDF]
396 HbS β D-10 Dual Kit Program 26.4 4.09 HbS carrier with alpha thalassemia (homoz. alpha 3.7). [PDF]
400 HbS β D-10 Dual Kit Program 30 4.09 HbS carrier + alpha-thal 2 (-3.7 del.). [PDF]
467 HbS β D-10 Dual Kit Program 67.9 4.03 Heterozygote for Hb S/beta zero thal (Beta(0) CD39 (C/T)) [PDF]
490 HbS β D-10 Dual Kit Program 31.4 4.07 Compound heterozygote for HbC and HbS [PDF]
496 HbS β D-10 Dual Kit Program 39.5 4.22 Hb S/beta thal (probably a delta-beta thalassemia). [PDF]
499 HbS β D-10 Dual Kit Program 8 4.12 Newborn homozygous for HbS. The peak eluting at the position of HbA2 may be aged HbS. [PDF]
503 HbS β D-10 Dual Kit Program 54.4 4.07 HbS homozygous with HPFH. [PDF]
508 HbS β D-10 Dual Kit Program 46 4.08 Compound heterozygote for HbS and HbC, together with alpha-thal 2. [PDF]
514 HbS β D-10 Dual Kit Program 69.2 4.05 Compound heterozygote for HbS and Beta (+) thal [PDF]
517 HbS β D-10 Dual Kit Program 46.1 4.06 Compound heterozygote for HbS and HbC [PDF]
523 HbS β D-10 Dual Kit Program 58.9 4.06 Compound heterozygote for HbS and B (+) thalassaemia. [PDF]
527 HbS β D-10 Dual Kit Program 44.4 4.07 Compound heterozygote for HbS and HbC [PDF]
559 HbS β D-10 Dual Kit Program 30.7 4.08 HbS carrier with alpha-thalassaemia (α3.7/αα). [PDF]
7 HbS β VARIANT β-thal Short Program 34.5 4.26 Heterozygous / Sickle Cell Trait [PDF]
43 HbS β VARIANT β-thal Short Program 77.2 4.3 Compoud heterozygote between HbS and beta (0) thal. [PDF]
46 HbS β VARIANT β-thal Short Program 22.9 4.35 HbS heterozygote with alpha thalassaemia (HbS + alpha-thal 2). [PDF]
231 HbS β VARIANT β-thal Short Program 38.4 4.24 Homozygote. Classical chromatogram of an SS patient. [PDF]
238 HbS β VARIANT β-thal Short Program 90.4 4.26 Sickle cell disease. The trace amount of HbA remains from a blood transfusion. [PDF]
242 HbS β VARIANT β-thal Short Program 74.5 4.26 Homozygous HbS recently transfused. [PDF]
248 HbS β VARIANT β-thal Short Program 22.4 4.25 HbS carrier with homozygous alpha + thalassemia. [PDF]
263 HbS β VARIANT β-thal Short Program 80.8 4.38 Classical chromatogram of a SS patient, the high HbF level suggests that the patient may be heterozygote (or perhaps homozygote) for one of the haplotype stimulating HbF synthesis. [PDF]
314 HbS β VARIANT β-thal Short Program 36.4 4.31 HbS homozygote, transfused. [PDF]
397 HbS β VARIANT β-thal Short Program 28.2 4.3 HbS carrier with alpha thalassemia (homoz. alpha 3.7). [PDF]
401 HbS β VARIANT β-thal Short Program 32 4.33 HbS carrier + alpha-thal 2 (-3.7 del.). [PDF]
491 HbS β VARIANT β-thal Short Program 31.4 4.37 compound heterozygote for HbC and HbS [PDF]
500 HbS β VARIANT β-thal Short Program 12 4.22 Newborn homozygous for HbS. The peak eluting at the position of HbA2 may be aged HbS. [PDF]
504 HbS β VARIANT β-thal Short Program 62.8 4.26 HbS homozygous with HPFH. [PDF]
507 HbS β VARIANT β-thal Short Program 79.7 4.37 Homozygous HbS. HbA remains from a blood transfusion. [PDF]
510 HbS β VARIANT β-thal Short Program 45.1 4.35 Compound heterozygote for HbS and HbC [PDF]
515 HbS β VARIANT β-thal Short Program 74.6 4.38 Compound heterozygote for HbS and Beta (+) thal [PDF]
519 HbS β VARIANT β-thal Short Program 45.8 4.37 Compound heterozygote for HbS and HbC [PDF]
524 HbS β VARIANT β-thal Short Program 64.2 4.32 Compound heterozygote for HbS and B (+) thalassemia [PDF]
529 HbS β VARIANT β-thal Short Program 44.7 4.36 Compound heterozygote for HbS and HbC [PDF]
537 HbS β VARIANT β-thal Short Program 40.2 4.3 Compound heterozygote for HbS and Hb D-Punjab [PDF]
560 HbS β VARIANT β-thal Short Program 31.6 4.35 HbS carrier + alpha-thal 2 (-3.7 deletion). [PDF]
8 HbS β VARIANT II β-thal Short Program 34.6 4.4 Heterozygous / Sickle Cell Trait [PDF]
9 HbS β VARIANT II Dual Kit Program 33.7 3.47 Heterozygous / Sickle Cell Trait [PDF]
11 HbS β VARIANT II HbA1c Program 39.2 1.94 Sickle Cell Trait [PDF]
13 HbS β VARIANT II HbA1c Program 84.4 1.93 Homozygous [PDF]
28 HbS β VARIANT II β-thal Short Program 69.4 4.41 Compound heterozygote for HbS and HPFH [PDF]
29 HbS β VARIANT II HbA1c Program 39.2 1.94 Heterozygote / Sickle Cell Trait [PDF]
42 HbS β VARIANT II Dual Kit Program - HbA1c 44.7 1.88 Heterozygous / Sickle Cell Trait [PDF]
47 HbS β VARIANT II Dual Kit Program 23.8 4.46 HbS heterozygote with alpha thalassaemia (HbS + alpha-thal 2). [PDF]
48 HbS β VARIANT II Dual Kit Program 21.3 3.49 HbS heterozygote with alpha thalassaemia (HbS + alpha-thal 2). [PDF]
239 HbS β VARIANT II β-thal Short Program 91.1 4.45 Sickle cell disease. The trace amount of HbA remains from a blood transfusion. [PDF]
240 HbS β VARIANT II Dual Kit Program 86.6 3.44 Sickle cell disease. The trace amount of HbA remains from a blood transfusion. [PDF]
243 HbS β VARIANT II β-thal Short Program 75.3 4.43 Homozygous HbS recently transfused. [PDF]
244 HbS β VARIANT II Dual Kit Program 68.9 3 [PDF]
245 HbS β VARIANT II Dual Kit Program 68.9 3 [PDF]
246 HbS β VARIANT II Dual Kit Program 68.9 3.45 [PDF]
249 HbS β VARIANT II β-thal Short Program 25.3 4.43 HbS carrier with homozygous alpha + thalassemia. [PDF]
250 HbS β VARIANT II Dual Kit Program 24.1 3.49 HbS carrier with homozygous alpha + thalassemia. [PDF]
252 HbS β VARIANT II β-thal Short Program 79.8 4.47 Homozygous HbS. HbA remains from a blood transfusion. [PDF]
253 HbS β VARIANT II Dual Kit Program 77.9 3.48 Homozygous HbS with high HbA1c. [PDF]
264 HbS β VARIANT II Dual Kit Program 73.7 3.387 Classical chromatogram of a SS patient, the high HbF level suggests that the patient may be heterozygote (or perhaps homozygote) for one of the haplotype stimulating HbF synthesis. [PDF]
315 HbS β VARIANT II β-thal Short Program 36.9 4.43 HbS homozygote, transfused. [PDF]
316 HbS β VARIANT II Dual Kit Program 33.3 3.47 HbS homozygote, transfused. [PDF]
398 HbS β VARIANT II β-thal Short Program 27.5 4.43 HbS carrier with alpha thalassemia (homoz. alpha 3.7). [PDF]
399 HbS β VARIANT II Dual Kit Program 27.1 3.487 HbS carrier with alpha thalassemia (homoz. alpha 3.7). [PDF]
402 HbS β VARIANT II β-thal Short Program 31.9 4.44 HbS carrier + alpha-thal 2 (-3.7 del.). [PDF]
403 HbS β VARIANT II Dual Kit Program 30.5 3.499 HbS + alpha-thal 2 (-3.7 del.). [PDF]
456 HbS β VARIANT II Dual Kit Program - HbA1c 44.9 2.035 Compound heterozygote between HbS and HbC [PDF]
457 HbS β VARIANT II Dual Kit Program - HbA1c 85.6 1.87 Classic chromatogram of an SS patient. [PDF]
466 HbS β VARIANT II HbA1c Program 52.1 1.94 Compound heterozygote between HbS and HbC [PDF]
468 HbS β VARIANT II β-thal Short Program 77.5 4.43 Heterozygote for Hb S/beta zero thal (Beta(0) CD39 (C/T)). [PDF]
469 HbS β VARIANT II Dual Kit Program 68.5 3.437 Heterozygote for Hb S/beta zero thal (Beta(0) CD39 (C/T)). [PDF]
497 HbS β VARIANT II β-thal Short Program 53.5 4.46 Hb S/beta thal (probably a delta-beta thalassemia). [PDF]
498 HbS β VARIANT II Dual Kit Program 38.6 3.472 Hb S/beta thal (probably a delta-beta thalassemia). [PDF]
501 HbS β VARIANT II β-thal Short Program 11.8 4.36 Newborn homozygous for HbS. The peak eluting at the position of HbA2 may be aged HbS. [PDF]
502 HbS β VARIANT II Dual Kit Program 6.9 3.545 Newborn homozygous for HbS. The peak eluting at the position of HbA2 may be aged HbS. [PDF]
505 HbS β VARIANT II β-thal Short Program 64.1 4.45 HbS homozygous with HPFH. [PDF]
506 HbS β VARIANT II Dual Kit Program 53.6 3.465 HbS homozygous with HPFH. [PDF]
512 HbS β VARIANT II Dual Kit Program 45.7 3.427 Compound heterozygote for HbS and HbC [PDF]
516 HbS β VARIANT II Dual Kit Program 70.6 3.402 Compound heterozygote for HbS and Beta (+) thal. [PDF]
521 HbS β VARIANT II Dual Kit Program 46.7 3.429 Compound heterozygote for HbS and HbC [PDF]
525 HbS β VARIANT II β-thal Short Program 66 4.44 Compound heterozygote for HbS and B (+) thalassemia [PDF]
526 HbS β VARIANT II Dual Kit Program 59.5 3.432 Compound heterozygote for HbS and B (+) thalassaemia. [PDF]
531 HbS β VARIANT II β-thal Short Program 45.9 4.45 Compound heterozygote for HbS and HbC [PDF]
533 HbS β VARIANT II Dual Kit Program 44.6 3.44 Compound heterozygote for HbS and HbC. [PDF]
539 HbS β VARIANT II β-thal Short Program 37 4.42 Compound heterozygote for HbS and Hb D-Punjab. [PDF]
541 HbS β VARIANT II Dual Kit Program 37.5 3.455 Compound heterozygote for HbS and Hb D-Punjab. [PDF]
561 HbS β VARIANT II β-thal Short Program 32.5 4.46 HbS carrier + alpha-thal 2 (-3.7 deletion). [PDF]
562 HbS β VARIANT II Dual Kit Program 31.1 3.452 HbS carrier + alpha-thal 2 (-3.7 deletion). [PDF]
612 HbS β VARIANT II β-thal Short Program 37.9 4.46 HbS carrier with Hb Montgomery (alpha variant). [PDF]
614 HbS β VARIANT II Dual Kit Program 28.8 3.489 HbS carrier with Hb Montgomery (alpha variant). [PDF]

In silico pathogenicity prediction

Sequence Viewer

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Frequencies

Publications / Origin

  1. Ingram VM, A specific chemical difference between the globins of normal human and sickle-cell anaemia haemoglobin., Nature , 178(4537), 792-4, 1956 PubMed
  2. Ingram VM, Abnormal human haemoglobins. III. The chemical difference between normal and sickle cell haemoglobins., Biochim. Biophys. Acta , 36(0), 402-11, 1959 PubMed
  3. Wishner BC, Ward KB, Lattman EE, Love WE, Crystal structure of sickle-cell deoxyhemoglobin at 5 A resolution., J. Mol. Biol. , 98(1), 179-94, 1975 PubMed
Created on 2010-06-16 16:13:16, Last reviewed on 2019-07-03 09:21:12 (Show full history)

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