1hcw | pdb_00001hcw

23-RESIDUE DESIGNED METAL-FREE PEPTIDE BASED ON THE ZINC FINGER DOMAINS, NMR, 35 STRUCTURES

spinqualitylabelsall models 1hcw Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1hcw is a 1 chain structure. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Ligands: ACE, NH2, PYA Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Small proteins or protein domains generally require disulfide bridges or metal sites for their stabilization. Here it is shown that the beta beta alpha architecture of zinc fingers can be reproduced in a 23-residue polypeptide in the absence of metal ions. The sequence was obtained through an iterative design process. A key feature of the final design is the incorporation of a type II' beta turn to aid in beta-hairpin formation. Nuclear magnetic resonance analysis reveals that the alpha helix and beta hairpin are held together by a defined hydrophobic core. The availability of this structural template has implications for the development of functional polypeptides. Design of a monomeric 23-residue polypeptide with defined tertiary structure.,Struthers MD, Cheng RP, Imperiali B Science. 1996 Jan 19;271(5247):342-5. PMID:8553067 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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