2nq2: Difference between revisions
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[[Image:2nq2.gif|left|200px]] | [[Image:2nq2.gif|left|200px]] | ||
'''An inward-facing conformation of a putative metal-chelate type ABC transporter.''' | {{Structure | ||
|PDB= 2nq2 |SIZE=350|CAPTION= <scene name='initialview01'>2nq2</scene>, resolution 2.400Å | |||
|SITE= | |||
|LIGAND= | |||
|ACTIVITY= | |||
|GENE= HI_1471 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=727 Haemophilus influenzae]), HI_1470 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=727 Haemophilus influenzae]) | |||
}} | |||
'''An inward-facing conformation of a putative metal-chelate type ABC transporter.''' | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
2NQ2 is a [ | 2NQ2 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Haemophilus_influenzae Haemophilus influenzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NQ2 OCA]. | ||
==Reference== | ==Reference== | ||
An inward-facing conformation of a putative metal-chelate-type ABC transporter., Pinkett HW, Lee AT, Lum P, Locher KP, Rees DC, Science. 2007 Jan 19;315(5810):373-7. Epub 2006 Dec 7. PMID:[http:// | An inward-facing conformation of a putative metal-chelate-type ABC transporter., Pinkett HW, Lee AT, Lum P, Locher KP, Rees DC, Science. 2007 Jan 19;315(5810):373-7. Epub 2006 Dec 7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17158291 17158291] | ||
[[Category: Haemophilus influenzae]] | [[Category: Haemophilus influenzae]] | ||
[[Category: Protein complex]] | [[Category: Protein complex]] | ||
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[[Category: transmembrane domain]] | [[Category: transmembrane domain]] | ||
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:49:34 2008'' | ||
Revision as of 18:49, 20 March 2008
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| , resolution 2.400Å | |||||||
|---|---|---|---|---|---|---|---|
| Gene: | HI_1471 (Haemophilus influenzae), HI_1470 (Haemophilus influenzae) | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
An inward-facing conformation of a putative metal-chelate type ABC transporter.
OverviewOverview
The crystal structure of a putative metal-chelate-type adenosine triphosphate (ATP)-binding cassette (ABC) transporter encoded by genes HI1470 and HI1471 of Haemophilus influenzae has been solved at 2.4 angstrom resolution. The permeation pathway exhibits an inward-facing conformation, in contrast to the outward-facing state previously observed for the homologous vitamin B12 importer BtuCD. Although the structures of both HI1470/1 and BtuCD have been solved in nucleotide-free states, the pairs of ABC subunits in these two structures differ by a translational shift in the plane of the membrane that coincides with a repositioning of the membrane-spanning subunits. The differences observed between these ABC transporters involve relatively modest rearrangements and may serve as structural models for inward- and outward-facing conformations relevant to the alternating access mechanism of substrate translocation.
About this StructureAbout this Structure
2NQ2 is a Protein complex structure of sequences from Haemophilus influenzae. Full crystallographic information is available from OCA.
ReferenceReference
An inward-facing conformation of a putative metal-chelate-type ABC transporter., Pinkett HW, Lee AT, Lum P, Locher KP, Rees DC, Science. 2007 Jan 19;315(5810):373-7. Epub 2006 Dec 7. PMID:17158291
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