1a4v

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{{STRUCTURE_1a4v| PDB=1a4v | SCENE= }}
{{STRUCTURE_1a4v| PDB=1a4v | SCENE= }}
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'''ALPHA-LACTALBUMIN'''
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===ALPHA-LACTALBUMIN===
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==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.
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(as it appears on PubMed at http://www.pubmed.gov), where 9537992 is the PubMed ID number.
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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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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 09:48:53 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 16:07:48 2008''

Revision as of 13:07, 30 June 2008

Image:1a4v.png


PDB ID 1a4v

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1a4v, resolution 1.80Å ()
Ligands:
Activity: Lactose synthase, with EC number 2.4.1.22
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



ALPHA-LACTALBUMIN

Template:ABSTRACT PUBMED 9537992

About this Structure

1A4V is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Structural evidence for the presence of a secondary calcium binding site in human alpha-lactalbumin., Chandra N, Brew K, Acharya KR, Biochemistry. 1998 Apr 7;37(14):4767-72. PMID:9537992

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