5rhn

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5rhn, resolution 2.31Å

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

Overview

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.

About this Structure

5RHN is a Single protein structure of sequence from Oryctolagus cuniculus with 8BR as ligand. Structure known Active Site: HIT. Full crystallographic information is available from OCA.

Reference

Crystal structures of HINT demonstrate that histidine triad proteins are GalT-related nucleotide-binding proteins., Brenner C, Garrison P, Gilmour J, Peisach D, Ringe D, Petsko GA, Lowenstein JM, Nat Struct Biol. 1997 Mar;4(3):231-8. PMID:9164465

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