Pho4: Difference between revisions

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The structure of the Pho4 protein is a basic Helix-loop-helix(bHLH) , The linker sequence between Helix1(H1) and Helix2(H2)  contains several residues:  Asn,  Glu, Pro and Ser<ref>PMID: 3775366</ref> . The DNA binding site is a homodimer and two monomers in a left‐handed four‐helix bundle fold (identical to bHLH/Zip and bHLH proteins fold) .  
The structure of the Pho4 protein is a basic Helix-loop-helix(bHLH) , The linker sequence between Helix1(H1) and Helix2(H2)  contains several residues:  Asn,  Glu, Pro and Ser<ref>PMID: 3775366</ref> . The DNA binding site is a homodimer and two monomers in a left‐handed four‐helix bundle fold (identical to bHLH/Zip and bHLH proteins fold) .  


[loop structure]
*loop structure
Pho4 loops (conserved structure?) are long but compact and forms a short alpha-helical structure <ref>PMID:1170095</ref>. The PHO4 loop contains a Trp residue that faces the aromatic rings of Tyr52 and His55 of helix H2, and Pro28 of H2 and H1.an aromatic cluster forms a cap structure is observed.<ref>PMID: 9303313</ref>
Pho4 loops (conserved structure?) are long but compact and forms a short alpha-helical structure <ref>PMID:1170095</ref>. The PHO4 loop contains a Trp residue that faces the aromatic rings of Tyr52 and His55 of helix H2, and Pro28 of H2 and H1.an aromatic cluster forms a cap structure is observed.<ref>PMID: 9303313</ref>