1a4v: Difference between revisions

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[[Image:1a4v.gif|left|200px]]
{{Seed}}
[[Image:1a4v.png|left|200px]]


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{{STRUCTURE_1a4v|  PDB=1a4v  |  SCENE=  }}  
{{STRUCTURE_1a4v|  PDB=1a4v  |  SCENE=  }}  


'''ALPHA-LACTALBUMIN'''
===ALPHA-LACTALBUMIN===




==Overview==
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The high-resolution X-ray crystal structure of human alpha-lactalbumin (at 1.8 A) in the presence of an elevated level of calcium reveals a new secondary calcium binding site, 7.9 A away from the primary calcium binding site known in all alpha-lactalbumin structures so far. The new calcium binding site is different from the zinc and sulfate binding sites [Ren, J., et al. (1993) J. Biol. Chem. 268, 19292-19298] but shares common features with the manganese binding site as described by Gerkin [Gerkin, T. A. (1984) Biochemistry 23, 4688-4697]. The proximity of the manganese and calcium binding region and the location of the functional site on one side of the charged surface of the alpha-lactalbumin molecule suggest that these binding sites might play a role in the formation of the lactose synthase complex.
The line below this paragraph, {{ABSTRACT_PUBMED_9537992}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_9537992}}


==About this Structure==
==About this Structure==
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[[Category: Calcium binding]]
[[Category: Calcium binding]]
[[Category: Lactose synthase]]
[[Category: Lactose synthase]]
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