1b86: Difference between revisions

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|PDB= 1b86 |SIZE=350|CAPTION= <scene name='initialview01'>1b86</scene>, resolution 2.5&Aring;
|PDB= 1b86 |SIZE=350|CAPTION= <scene name='initialview01'>1b86</scene>, resolution 2.5&Aring;
|SITE=  
|SITE=  
|LIGAND= <scene name='pdbligand=DDH:[7,12-DEACETYL-3,8,13,17-TETRAMETHYL-21H,23H-PORPHINE-2,18-DIPROPANOATO(2-)-N21,N22,N23,N24]-IRON'>DDH</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene> and <scene name='pdbligand=DG2:2,3-DIPHOSPHOGLYCERIC ACID'>DG2</scene>
|LIGAND= <scene name='pdbligand=DDH:[7,12-DEACETYL-3,8,13,17-TETRAMETHYL-21H,23H-PORPHINE-2,18-DIPROPANOATO(2-)-N21,N22,N23,N24]-IRON'>DDH</scene>, <scene name='pdbligand=DG2:2,3-DIPHOSPHOGLYCERIC+ACID'>DG2</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>
|ACTIVITY=  
|ACTIVITY=  
|GENE=  
|GENE=  
|DOMAIN=
|RELATEDENTRY=
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1b86 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b86 OCA], [http://www.ebi.ac.uk/pdbsum/1b86 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1b86 RCSB]</span>
}}
}}


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==Overview==
==Overview==
The haemoglobin-2,3-diphosphoglycerate complex structure has been solved at 2.5 A resolution using crystals grown from low-salt solutions. The results show some important differences with the precedent haemoglobin-2,3-diphosphoglycerate high-salt structure solved by Arnone. First, we observe a loss of symmetry in the binding site, secondly both of the lysine residues 82 beta interact with 2,3-diphosphoglycerate at the same time, each making two contacts. This level of interaction is in agreement with the functional behaviour of natural haemoglobin mutants with mutations at the 2,3-diphosphoglycerate binding site.
The haemoglobin-2,3-diphosphoglycerate complex structure has been solved at 2.5 A resolution using crystals grown from low-salt solutions. The results show some important differences with the precedent haemoglobin-2,3-diphosphoglycerate high-salt structure solved by Arnone. First, we observe a loss of symmetry in the binding site, secondly both of the lysine residues 82 beta interact with 2,3-diphosphoglycerate at the same time, each making two contacts. This level of interaction is in agreement with the functional behaviour of natural haemoglobin mutants with mutations at the 2,3-diphosphoglycerate binding site.
==Disease==
Known diseases associated with this structure: Erythremias, alpha- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141800 141800]], Erythremias, beta- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Erythrocytosis OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141850 141850]], HPFH, deletion type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Heinz body anemia OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141850 141850]], Heinz body anemias, alpha- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141800 141800]], Heinz body anemias, beta- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Hemoglobin H disease OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141850 141850]], Hypochromic microcytic anemia OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141850 141850]], Methemoglobinemias, alpha- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141800 141800]], Methemoglobinemias, beta- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Sickle cell anemia OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Thalassemia, alpha- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141850 141850]], Thalassemia-beta, dominant inclusion-body OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]], Thalassemias, alpha- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141800 141800]], Thalassemias, beta- OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=141900 141900]]


==About this Structure==
==About this Structure==
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[[Category: Mauguen, Y.]]
[[Category: Mauguen, Y.]]
[[Category: Richard, V.]]
[[Category: Richard, V.]]
[[Category: DDH]]
[[Category: DG2]]
[[Category: HEM]]
[[Category: 2]]
[[Category: 2]]
[[Category: 3-diphosphoglycerate]]
[[Category: 3-diphosphoglycerate]]
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[[Category: haemoglobin]]
[[Category: haemoglobin]]


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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 18:55:34 2008''
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