1fx3 | pdb_00001fx3

CRYSTAL STRUCTURE OF H. INFLUENZAE SECB

spinqualitylabelsall models 1fx3, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1fx3 is a 4 chain structure with sequence from Haemophilus influenzae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed SecB is a bacterial molecular chaperone involved in mediating translocation of newly synthesized polypeptides across the cytoplasmic membrane of bacteria. The crystal structure of SecB from Haemophilus influenzae shows that the molecule is a tetramer organized as a dimer of dimers. Two long channels run along the side of the molecule. These are bounded by flexible loops and lined with conserved hydrophobic amino acids, which define a suitable environment for binding non-native polypeptides. The structure also reveals an acidic region on the top surface of the molecule, several residues of which have been implicated in binding to SecA, its downstream target. Crystal structure of the bacterial protein export chaperone secB.,Xu Z, Knafels JD, Yoshino K Nat Struct Biol. 2000 Dec;7(12):1172-7. PMID:11101901 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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