1e5d

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==Overview==
==Overview==
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Desulfovibrio gigas is a strict anaerobe that contains a, well-characterized metabolic pathway that enables it to survive transient, contacts with oxygen. The terminal enzyme in this pathway, rubredoxin:oxygen oxidoreductase (ROO) reduces oxygen to water in a direct, and safe way. The 2.5 A resolution crystal structure of ROO shows that, each monomer of this homodimeric enzyme consists of a novel combination of, two domains, a flavodoxin-like domain and a Zn-beta-lactamase-like domain, that contains a di-iron center for dioxygen reduction. This is the first, structure of a member of a superfamily of enzymes widespread in strict and, facultative anaerobes, indicating its broad physiological significance.
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Desulfovibrio gigas is a strict anaerobe that contains a well-characterized metabolic pathway that enables it to survive transient contacts with oxygen. The terminal enzyme in this pathway, rubredoxin:oxygen oxidoreductase (ROO) reduces oxygen to water in a direct and safe way. The 2.5 A resolution crystal structure of ROO shows that each monomer of this homodimeric enzyme consists of a novel combination of two domains, a flavodoxin-like domain and a Zn-beta-lactamase-like domain that contains a di-iron center for dioxygen reduction. This is the first structure of a member of a superfamily of enzymes widespread in strict and facultative anaerobes, indicating its broad physiological significance.
==About this Structure==
==About this Structure==
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[[Category: Desulfovibrio gigas]]
[[Category: Desulfovibrio gigas]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: Carrondo, M.A.]]
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[[Category: Carrondo, M A.]]
[[Category: Coelho, R.]]
[[Category: Coelho, R.]]
[[Category: Frazao, C.]]
[[Category: Frazao, C.]]
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[[Category: Gall, J.Le.]]
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[[Category: Gall, J Le.]]
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[[Category: Gomes, C.M.]]
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[[Category: Gomes, C M.]]
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[[Category: Liu, M.Y.]]
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[[Category: Liu, M Y.]]
[[Category: Macedo, S.]]
[[Category: Macedo, S.]]
[[Category: Matias, P.]]
[[Category: Matias, P.]]
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[[Category: Silva, G.]]
[[Category: Silva, G.]]
[[Category: Teixeira, M.]]
[[Category: Teixeira, M.]]
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[[Category: Xavier, A.V.]]
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[[Category: Xavier, A V.]]
[[Category: FEO]]
[[Category: FEO]]
[[Category: FMN]]
[[Category: FMN]]
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[[Category: oxygenreductase]]
[[Category: oxygenreductase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Feb 3 09:37:23 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 12:24:00 2008''

Revision as of 10:24, 21 February 2008


1e5d, resolution 2.50Å

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RUBREDOXIN OXYGEN:OXIDOREDUCTASE (ROO) FROM ANAEROBE DESULFOVIBRIO GIGAS

Overview

Desulfovibrio gigas is a strict anaerobe that contains a well-characterized metabolic pathway that enables it to survive transient contacts with oxygen. The terminal enzyme in this pathway, rubredoxin:oxygen oxidoreductase (ROO) reduces oxygen to water in a direct and safe way. The 2.5 A resolution crystal structure of ROO shows that each monomer of this homodimeric enzyme consists of a novel combination of two domains, a flavodoxin-like domain and a Zn-beta-lactamase-like domain that contains a di-iron center for dioxygen reduction. This is the first structure of a member of a superfamily of enzymes widespread in strict and facultative anaerobes, indicating its broad physiological significance.

About this Structure

1E5D is a Single protein structure of sequence from Desulfovibrio gigas with , and as ligands. Known structural/functional Sites: , , and . Full crystallographic information is available from OCA.

Reference

Structure of a dioxygen reduction enzyme from Desulfovibrio gigas., Frazao C, Silva G, Gomes CM, Matias P, Coelho R, Sieker L, Macedo S, Liu MY, Oliveira S, Teixeira M, Xavier AV, Rodrigues-Pousada C, Carrondo MA, Le Gall J, Nat Struct Biol. 2000 Nov;7(11):1041-5. PMID:11062560

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