1i0e: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1i0e]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I0E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1I0E FirstGlance]. <br>
<table><tr><td colspan='2'>[[1i0e]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1I0E OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1I0E FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Creatine_kinase Creatine kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.3.2 2.7.3.2] </span></td></tr>
</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Creatine_kinase Creatine kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.3.2 2.7.3.2] </span></td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1i0e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1i0e OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1i0e RCSB], [http://www.ebi.ac.uk/pdbsum/1i0e PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1i0e FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1i0e OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1i0e RCSB], [http://www.ebi.ac.uk/pdbsum/1i0e PDBsum]</span></td></tr>
<table>
</table>
== Function ==
[[http://www.uniprot.org/uniprot/KCRM_HUMAN KCRM_HUMAN]] Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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[[Category: Creatine kinase]]
[[Category: Creatine kinase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Lin, Z J.]]
[[Category: Lin, Z J]]
[[Category: Shen, Y Q.]]
[[Category: Shen, Y Q]]
[[Category: Tang, L.]]
[[Category: Tang, L]]
[[Category: Zhou, H M.]]
[[Category: Zhou, H M]]
[[Category: Dimer]]
[[Category: Dimer]]
[[Category: Double helix]]
[[Category: Double helix]]
[[Category: Transferase]]
[[Category: Transferase]]

Revision as of 17:41, 24 December 2014

CRYSTAL STRUCTURE OF CREATINE KINASE FROM HUMAN MUSCLECRYSTAL STRUCTURE OF CREATINE KINASE FROM HUMAN MUSCLE

Structural highlights

1i0e is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Activity:Creatine kinase, with EC number 2.7.3.2
Resources:FirstGlance, OCA, RCSB, PDBsum

Function

[KCRM_HUMAN] Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The crystal structure of human muscle creatine kinase has been determined by the molecular-replacement method and refined at 3.5A resolution. The structures of both the monomer and the dimer closely resemble those of the other known structures in the creatine kinase family. Two types of dimers, one with a non-crystallographic twofold symmetry axis and the other with a crystallographic twofold symmetry axis, were found to exist simultaneously in the crystal. These dimers form an infinite "double-helix"-like structure along an unusual long crystallographic 3(1) axis.

Structure of human muscle creatine kinase.,Shen YQ, Tang L, Zhou HM, Lin ZJ Acta Crystallogr D Biol Crystallogr. 2001 Aug;57(Pt 8):1196-200. PMID:11517911[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Shen YQ, Tang L, Zhou HM, Lin ZJ. Structure of human muscle creatine kinase. Acta Crystallogr D Biol Crystallogr. 2001 Aug;57(Pt 8):1196-200. PMID:11517911

1i0e, resolution 3.50Å

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