1r1n

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[[Image:1r1n.gif|left|200px]]
[[Image:1r1n.gif|left|200px]]
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{{Structure
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|PDB= 1r1n |SIZE=350|CAPTION= <scene name='initialview01'>1r1n</scene>, resolution 1.74&Aring;
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The line below this paragraph, containing "STRUCTURE_1r1n", creates the "Structure Box" on the page.
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|SITE=
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|LIGAND= <scene name='pdbligand=CN1:OXO-IRON+CLUSTER+2'>CN1</scene>, <scene name='pdbligand=CNB:OXO-IRON+CLUSTER+1'>CNB</scene>, <scene name='pdbligand=CNF:OXO-IRON+CLUSTER+3'>CNF</scene>
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{{STRUCTURE_1r1n| PDB=1r1n | SCENE= }}
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|RELATEDENTRY=[[1o7t|1O7T]], [[1d91|1D91]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1r1n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1r1n OCA], [http://www.ebi.ac.uk/pdbsum/1r1n PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1r1n RCSB]</span>
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'''Tri-nuclear oxo-iron clusters in the ferric binding protein from N. gonorrhoeae'''
'''Tri-nuclear oxo-iron clusters in the ferric binding protein from N. gonorrhoeae'''
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[[Category: Sadler, P J.]]
[[Category: Sadler, P J.]]
[[Category: Zhu, H.]]
[[Category: Zhu, H.]]
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[[Category: iron binding protein]]
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[[Category: Iron binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 06:57:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:21:57 2008''
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Revision as of 03:57, 3 May 2008

Image:1r1n.gif

Template:STRUCTURE 1r1n

Tri-nuclear oxo-iron clusters in the ferric binding protein from N. gonorrhoeae


Overview

We report a set of three 1.8-1.9 A resolution X-ray crystal structures of Neisseria gonorrhoeae Fbp (ferric-ion binding protein): (i) open-cleft apo-Fbp containing bound phosphate, (ii) open-cleft mono-Fe Fbp capped by nitrilotriacetate, and (iii) open-cleft trinuclear oxo-iron Fbp, the first structure of an iron-cluster adduct of a transferrin. The nine independent molecules in the unit cells provide 'snapshots' of the versatile dynamic structural roles of the conserved dityrosyl iron-binding motif (Tyr195-Tyr196) which control the capture and, possibly, processing of iron. These findings have implications for understanding bacterial iron acquisition and dissimilation, and organic/mineral interfaces.

About this Structure

1R1N is a Single protein structure of sequence from Neisseria gonorrhoeae. Full crystallographic information is available from OCA.

Reference

Oxo-iron clusters in a bacterial iron-trafficking protein: new roles for a conserved motif., Zhu H, Alexeev D, Hunter DJ, Campopiano DJ, Sadler PJ, Biochem J. 2003 Nov 15;376(Pt 1):35-41. PMID:13129433 Page seeded by OCA on Sat May 3 06:57:57 2008

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