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--- glossary:ef_hand [2008/09/11 14:26]
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+++ glossary:ef_hand [2008/09/17 07:51] (current)
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+{{tag>alpha}}
+====== EF Hand =======
+This is a helix-loop-helix, calcium-binding  [[glossary:motif | motif]], in which two [[glossary:alpha_helix | helices]] pack
+together at an angle of approximately 90 degrees, separated by a loop region, where
+calcium binds. The 'EF' notation for the motif resulted from the structure of parvalbumin, in which the 'E' and 'F' helices were originally identified to form this calcium-binding motif.
+The example shown is a human psoriasin (PDB code 1psr).
+{{cath:feature>1psrA00}}
+===== References =====
+{{pubmed>long:8848832}}
+{{pubmed>long:4700463}}
+{{pubmed>long:2191555}}