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Recombinant Human Hemoglobin subunit alpha protein (denatured) is a Human Full Length protein, in the 1 to 142 aa range, expressed in Escherichia coli, with >85% purity and suitable for SDS-PAGE, MS.

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Images

Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (AB131697), expandable thumbnail
  • Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (AB131697), expandable thumbnail
  • SDS-PAGE - Recombinant Human Hemoglobin subunit alpha protein (denatured) (AB131697), expandable thumbnail

Key facts

Purity

>85% SDS-PAGE

Expression system

Escherichia coli

Tags

DDDDK tag N-Terminus
His tag N-Terminus

Applications

SDS-PAGE, MS

Biologically active

No

Amino acid sequence

M R G S H H H H H H G M A S M T G G Q Q M G R D L Y D D D D K D R W G S H M V L S P A D K T N V K A A W G K V G A H A G E Y G A E A L E R M F L S F P T T K T Y F P H F D L S H G S A Q V K G H G K K V A D A L T N A V A H V D D M P N A L S A L S D L H A H K L R V D P V N F K L L S H C L L V T L A A H L P A E F T P A V H A S L D K F L A S V S T V L T S K Y R

Reactivity data

Application

SDS-PAGE

Reactivity

Reacts

Dilution info

-

Notes

-

Application

MS

Reactivity

Reacts

Dilution info

-

Notes

-

Associated Products

Select an associated product type

2 products for Alternative Product

Target data

Function

Involved in oxygen transport from the lung to the various peripheral tissues.HemopressinHemopressin acts as an antagonist peptide of the cannabinoid receptor CNR1 (PubMed:18077343). Hemopressin-binding efficiently blocks cannabinoid receptor CNR1 and subsequent signaling (PubMed:18077343).

Alternative names

Recommended products

Recombinant Human Hemoglobin subunit alpha protein (denatured) is a Human Full Length protein, in the 1 to 142 aa range, expressed in Escherichia coli, with >85% purity and suitable for SDS-PAGE, MS.

Key facts

Purity

>85% SDS-PAGE

Expression system

Escherichia coli

Applications

SDS-PAGE, MS

Accession
P69905-1
Animal free

No

Species

Human

Concentration
Loading...
Storage buffer

pH: 8
Constituents: 20% Glycerol (glycerin, glycerine), 12.01% Urea, 0.58% Sodium chloride, 0.32% Tris HCl, 0.03% (R*,R*)-1,4-Dimercaptobutan-2,3-diol

Sequence info

Amino acid sequence

M R G S H H H H H H G M A S M T G G Q Q M G R D L Y D D D D K D R W G S H M V L S P A D K T N V K A A W G K V G A H A G E Y G A E A L E R M F L S F P T T K T Y F P H F D L S H G S A Q V K G H G K K V A D A L T N A V A H V D D M P N A L S A L S D L H A H K L R V D P V N F K L L S H C L L V T L A A H L P A E F T P A V H A S L D K F L A S V S T V L T S K Y R

Accession

P69905

Protein length

Full Length

Predicted molecular weight

19.5 kDa

Amino acids

1 to 142

Nature

Recombinant

Tags

DDDDK tag N-Terminus, His tag N-Terminus

Specifications

Form

Liquid

Additional notes

ab131697 was purified using conventional chromatography techniques.

General info

Function

Involved in oxygen transport from the lung to the various peripheral tissues.

Sequence similarities

Belongs to the globin family.

Post-translational modifications

The initiator Met is not cleaved in variant Thionville and is acetylated.

Storage

Shipped at conditions

Blue Ice

Appropriate short-term storage duration

1-2 weeks

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

-20°C

Aliquoting information

Upon delivery aliquot

Storage information

Avoid freeze / thaw cycle

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.

Activity summary

Hemoglobin subunit alpha also known as alpha-globin is a component of the hemoglobin protein complex which plays an important role in oxygen transport within the blood. Alpha-globin has an approximate molecular weight of 15.1 kDa and is expressed highly in the red blood cells. It is part of the hemoglobin tetramer along with two beta subunits each one containing an iron-bound heme group. Variants of the alpha chain can be studied using hemoglobin peptides or denatured hemoglobin samples. Researchers can further analyze the alpha hemoglobin using methods like SDS-PAGE or alpha ELISA assays.

Biological function summary

Hemoglobin subunit alpha forms an important part of the hemoglobin complex facilitating the binding and release of oxygen molecules as blood circulates in the body. Alpha hemoglobin ensures efficient loading of oxygen in the lungs and unloading in tissues maintaining cellular respiration. The subunit plays a structural role as well stabilizing the hemoglobin tetramer for optimal function. Its ability to carry oxygen depends on the cooperative interaction between its alpha and beta globin counterparts.

Pathways

Hemoglobin subunit alpha operates predominantly within the oxygen transport pathway which is essential to meet the metabolic demands of cells. It also links to pathways involving iron metabolism given its coordination with heme groups. Alpha hemoglobin interacts cooperatively with proteins such as beta-globin to ensure efficient oxygen delivery. This interplay is highlighted when examining hemoglobin biosynthesis and breakdown pathways.

Associated diseases and disorders

Alpha-globin is linked to conditions like alpha-thalassemia and sickle cell disease. These disorders result from mutations in the hemoglobin alpha or beta subunits leading to imbalanced globin production or abnormal hemoglobin structures. Alpha thalassemia is connected with unequal production of globin chains affecting hemoglobin stability while beta-globin mutations lead to sickle cell disease with altered oxygen delivery. Anti-hemoglobin antibodies might help in researching these conditions allowing a better understanding of molecular changes and potential therapeutic targets.

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3 product images

  • Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697), expandable thumbnail

    Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697)

    **Blocking/Dilution buffer:** 5% NFDM/TBST.

    All lanes: Western blot - Anti-Hemoglobin subunit beta antibody [EPR20614] (Anti-Hemoglobin subunit beta antibody [EPR20614] ab214049) at 1/1000 dilution

    Lane 1: Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697) at 0.01 µg

    Lane 2: His-tagged human Hemoglobin subunit beta/ba1 (aa3-147) recombinant protein at 0.01 µg

    Lane 3: His-tagged human Hemoglobin subunit delta (aa3-147) recombinant protein at 0.01 µg

    Lane 4: His-tagged human Hemoglobin subunit epsilon (aa3-147) recombinant protein at 0.01 µg

    Lane 5: His-tagged human Hemoglobin subunit Gamma-2 (aa2-147) recombinant protein at 0.01 µg

    Lane 6: His-tagged human Hemoglobin subunit Gamma-1 (aa2-147) recombinant protein at 0.01 µg

    Lane 7: Western blot - Recombinant Human Hemoglobin subunit zeta protein (Recombinant Human Hemoglobin subunit zeta protein ab95347) at 0.01 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution

    Developed using the ECL technique.

    Predicted band size: 16 kDa

    Observed band size: 15 kDa

    Exposure time: 3s

    Blocking/Dilution buffer: 5% NFDM/TBST.

  • Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697), expandable thumbnail

    Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697)

    Blocking/Dilutiing buffer and concentration: 5% NFDM/TBST
    Exposure time: 100 seconds

    All lanes: Western blot - Anti-Hemoglobin subunit beta + Hemoglobin subunit delta antibody [EPR8322(B)] (Anti-Hemoglobin subunit beta + Hemoglobin subunit delta antibody [EPR8322(B)] ab131225) at 1/200 dilution

    Lane 1: Western blot - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697) at 0.1 µg

    Lane 2: His-tagged human Hemoglobin subunit beta/ba1 (aa 3-147) recombinant protein at 0.1 µg

    Lane 3: His-tagged human Hemoglobin subunit delta (aa 3-147) recombinant protein at 0.1 µg

    Lane 4: His-tagged full length human Hemoglobin subunit delta recombinant protein at 0.1 µg

    Lane 5: His-tagged human Hemoglobin subunit epsilon (aa 3-147) recombinant protein at 0.1 µg

    Lane 6: His-tagged human Hemoglobin subunit gamma-2 (aa 2-147) recombinant protein at 0.1 µg

    Lane 7: His-tagged human Hemoglobin subunit gamma-1 (aa 2-147) recombinant protein at 0.1 µg

    Lane 8: Western blot - Recombinant Human Hemoglobin subunit zeta protein (Recombinant Human Hemoglobin subunit zeta protein ab95347) at 0.1 µg

    Secondary

    All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution

    Blocking/Dilutiing buffer and concentration: 5% NFDM/TBST

    Exposure time: 100 seconds

  • SDS-PAGE - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697), expandable thumbnail

    SDS-PAGE - Recombinant Human Hemoglobin subunit alpha protein (denatured) (ab131697)

    SDS-PAGE analysis of ab131697 (3 μg) under reducing conditions and visualized by coomassie blue stain.

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