All knottin structures and sequences in the database are now standardized according to the knottin nomenclature based on loop lengths between knotted cysteines, and to the knottin numbering scheme. These tools are now used to automate the database update. New tools, KNOTER3D and KNOTER1D, are provided to determine or predict if a user query (3D structure or sequence) is a knottin. Static pages present the essential historical or recent results about knottin discoveries, sequences, structures, syntheses, folding, functions, applications and bibliography. Outrigger scaffolds: Scaffolds and scaffold components must be designed by a registered professional engineer, and constructed and loaded per that design.The KNOTTIN database provides standardized information on the small disulfide-rich proteins with a knotted topology called knottins or inhibitor cystine knots.Fabricated frame scaffolds (tubular welded frame scaffolds, welded end frame scaffolds, walk through frame scaffolds) over 125 feet in height must be designed by a registered professional engineer, and constructed and loaded according to that design.Tube and Coupler scaffolds over 125 feet in height must be designed by a registered professional engineer, and must be constructed and loaded according to that design.Pole scaffolds over 60 feet in height must be designed by a registered professional engineer, and shall constructed and loaded according to that design.Non-mobile scaffolds must not be moved horizontally with workers on them, unless a registered professional engineer designed the scaffold specifically for the move.Designers for certain scaffolds also must be registered professional engineers.Scaffold designers are workers who are qualified to design scaffolds. 451(f), General requirements: "Use", OSHA Standard. 454(a), Training requirements, OSHA Standard.
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