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Haemoglobin a2

Haemoglobin a2

(Science: chemical) An adult haemoglobin component normally present in haemolysates from human erythrocytes in concentrations of about 3%. The haemoglobin is composed of two alpha chains and two delta chains. The percentage of hba2 varies in some haematologic disorders, but is about double in beta-thalassaemia.

chemical name: haemoglobin a2


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pI's of 2 proteins

... sample and then used a pH and of 9 and collected sample 2. So now I have to comment on the charge properties and likely pI's of (cytochrome C and haemoglobin).. CM contains a negative charge right? So that means in order for those 2 proteins to bind to it they both proteins must contain a positive ...

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by biology_06er
Tue May 05, 2009 4:08 am
 
Forum: General Discussion
Topic: pI's of 2 proteins
Replies: 0
Views: 212

Re: oxygen "grabbers" haemoglobin adaptation?

Grabbers are the type of animals/organisms in low [O2] enviroment. Such as Llamas at high altitudes. If you look at the oxygen association of curve comparing the human, the llama ones shifts to the left. As they readily need oxygen as their have a high affinity of O2. Compared to lugworm who need O2...

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by Amberlya
Wed Apr 29, 2009 10:50 am
 
Forum: General Discussion
Topic: oxygen "grabbers" haemoglobin adaptation?
Replies: 5
Views: 1271

PaCO2 levels dnt rise as fast as PaO2 levels fall...

... is not free in plasma and H+ readily taken up by heamoglobin in the red blood cell...bohr effect bla bla) +CO2 combines with the protein part of haemoglobin. only a small part (5%) of the original Co2 produced actually dissolves in the blood. then what mith said :P

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by favorina
Fri Jan 30, 2009 7:14 pm
 
Forum: Physiology
Topic: PaCO2 levels dnt rise as fast as PaO2 levels fall...
Replies: 2
Views: 1425

Re: Homeostasis.

... is important. CO2 + H20 -> H2CO3 -> H+ and HCO3-. The H+ gets carried around by hemoglobin, and blood pH can affect the hemoglobin (haemoglobin) binding curve for oxygen ( exercising muscles need the globin to release its O2). I think O2 level or breathing is another homeostasis ...

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by MikeS
Thu Aug 21, 2008 2:51 am
 
Forum: Human Biology
Topic: Homeostasis.
Replies: 6
Views: 4500

synonymous vs conservative missense mutation

... e.g. Sickle cell disease is caused by a GAG (which encodes glutamate) to GTG mutation resulting in the formation of valine instead. As a result Haemoglobin S is formed instead of the normal haemoglobin A/A2 Hope that makes sense :? :lol:

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by Katy_Bobbles
Sat Aug 25, 2007 4:50 pm
 
Forum: Genetics
Topic: synonymous vs conservative missense mutation
Replies: 6
Views: 2257
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