2q33: Difference between revisions
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{{STRUCTURE_2q33| PDB=2q33 | SCENE= }} | |||
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'''Crystal structure of all-D monellin at 1.8 A resolution''' | '''Crystal structure of all-D monellin at 1.8 A resolution''' | ||
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==About this Structure== | ==About this Structure== | ||
2Q33 is a [[Protein complex]] structure | 2Q33 is a [[Protein complex]] structure. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1n98 1n98]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q33 OCA]. | ||
==Reference== | ==Reference== | ||
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[[Category: Kim, S H.]] | [[Category: Kim, S H.]] | ||
[[Category: Kohmura, M.]] | [[Category: Kohmura, M.]] | ||
[[Category: | [[Category: All-d protein]] | ||
[[Category: | [[Category: Alpha/beta]] | ||
[[Category: | [[Category: De novo protein]] | ||
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 14:14:09 2008'' | |||
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Revision as of 11:14, 4 May 2008
Crystal structure of all-D monellin at 1.8 A resolution
Overview
The D-enantiomer of a potently sweet protein, monellin, has been crystallized and analyzed by X-ray crystallography at 1.8 A resolut ion. Two crystal forms (I and II) appeared under crystallization conditions similar, but not identical, to the crystallization conditions of natural L-monellin. There are four molecules per asymmetric unit in crystal form I and one in crystal form II. Crystal form I is not reproducible and is equivalent to that of monoclinic L-monellin. Intermonomer contacts in crystal form II are very different from those found in natural L-monellin crystals. The backbone trace of D-monellin resembles very closely the mirror image of that of L-monellin, but the N- and C-terminus backbones as well as several side-chain conformations of D-monellin are different from those of natural L-monellin. Most of these apparent differences may be attributable to the crystal packing differences.
About this Structure
2Q33 is a Protein complex structure. This structure supersedes the now removed PDB entry 1n98. Full crystallographic information is available from OCA.
Reference
Structure of an enantiomeric protein, D-monellin at 1.8 A resolution., Hung LW, Kohmura M, Ariyoshi Y, Kim SH, Acta Crystallogr D Biol Crystallogr. 1998 Jul 1;54(Pt 4):494-500. PMID:9867435 Page seeded by OCA on Sun May 4 14:14:09 2008
