5rhn: Difference between revisions

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[[Image:5rhn.gif|left|200px]]
{{Seed}}
[[Image:5rhn.png|left|200px]]


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{{STRUCTURE_5rhn|  PDB=5rhn  |  SCENE=  }}  
{{STRUCTURE_5rhn|  PDB=5rhn  |  SCENE=  }}  


'''HISTIDINE TRIAD NUCLEOTIDE-BINDING PROTEIN (HINT) FROM RABBIT COMPLEXED WITH 8-BR-AMP'''
===HISTIDINE TRIAD NUCLEOTIDE-BINDING PROTEIN (HINT) FROM RABBIT COMPLEXED WITH 8-BR-AMP===




==Overview==
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Histidine triad nucleotide-binding protein (HINT), a dimeric purine nucleotide-binding protein from rabbit heart, is a member of the HIT (histidine triad) superfamily which includes HINT homologues and FHIT (HIT protein encoded at the chromosome 3 fragile site) homologues. Crystal structures of HINT-nucleotide complexes demonstrate that the most conserved residues in the superfamily mediate nucleotide binding and that the HIT motif forms part of the phosphate binding loop. Galactose-1-phosphate uridylyltransferase, whose deficiency causes galactosemia, contains tandem HINT domains with the same fold and mode of nucleotide binding as HINT despite having no overall sequence similarity. Features of FHIT, a diadenosine polyphosphate hydrolase and candidate tumour suppressor, are predicted from HINT-nucleotide structures.
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{{ABSTRACT_PUBMED_9164465}}


==About this Structure==
==About this Structure==
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[[Category: Ringe, D.]]
[[Category: Ringe, D.]]
[[Category: Nucleotide-binding protein]]
[[Category: Nucleotide-binding protein]]
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