1htp

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{{STRUCTURE_1htp| PDB=1htp | SCENE= }}
{{STRUCTURE_1htp| PDB=1htp | SCENE= }}
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'''REFINED STRUCTURES AT 2 ANGSTROMS AND 2.2 ANGSTROMS OF THE TWO FORMS OF THE H-PROTEIN, A LIPOAMIDE-CONTAINING PROTEIN OF THE GLYCINE DECARBOXYLASE COMPLEX'''
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===REFINED STRUCTURES AT 2 ANGSTROMS AND 2.2 ANGSTROMS OF THE TWO FORMS OF THE H-PROTEIN, A LIPOAMIDE-CONTAINING PROTEIN OF THE GLYCINE DECARBOXYLASE COMPLEX===
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==Overview==
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Glycine decarboxylase consists of four protein components. Its structural and mechanistic heart is provided by the lipoic acid-containing H-protein which undergoes a cycle of reductive methylamination, methylamine transfer and electron transfer. Lipoic acid attached to a specific lysine side chain is assumed to act as a 'swinging arm' conveying the reactive dithiolane ring from one catalytic centre to another. The X-ray crystal structures of two forms of the H-protein have been determined. The lipoate cofactor is located in the loop of a hairpin configuration but following methylamine transfer it is pivoted to bind into a cleft at the surface of the H-protein. The lipoamide-methylamine arm is, therefore, not free to move in aqueous solvent.
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(as it appears on PubMed at http://www.pubmed.gov), where 7719855 is the PubMed ID number.
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{{ABSTRACT_PUBMED_7719855}}
==About this Structure==
==About this Structure==
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[[Category: Cohen-Addad, C.]]
[[Category: Cohen-Addad, C.]]
[[Category: Pares, S.]]
[[Category: Pares, S.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:13:13 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 08:39:50 2008''

Revision as of 05:39, 1 July 2008

Image:1htp.png

Template:STRUCTURE 1htp

REFINED STRUCTURES AT 2 ANGSTROMS AND 2.2 ANGSTROMS OF THE TWO FORMS OF THE H-PROTEIN, A LIPOAMIDE-CONTAINING PROTEIN OF THE GLYCINE DECARBOXYLASE COMPLEX

Template:ABSTRACT PUBMED 7719855

About this Structure

1HTP is a Single protein structure of sequence from Pisum sativum. Full crystallographic information is available from OCA.

Reference

The lipoamide arm in the glycine decarboxylase complex is not freely swinging., Cohen-Addad C, Pares S, Sieker L, Neuburger M, Douce R, Nat Struct Biol. 1995 Jan;2(1):63-8. PMID:7719855

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