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Syntax
COUP <couplings-statement> END <COUPLINGS-statement>:= ASSIgn <sel> <sel> <sel> <sel> [<sel> <sel> <sel> <sel>] <real> <real> [<real> <real>] atom i atom j atom k atom l J-obs J-err ! optional second set of selections and ! observations is for degenerate classes CLASs <name> ! Starts a new class. Applies to all ! ASSIgn, TYPE, FORCe, and FLAT entries until ! another CLASS entry is issued. COEFficients <real> <real> <real> <real> ! ! Set the Karplus curve coefficients ! A, B, C and the Karplus curve phase ! P (in that order) for this class ! P is measured in degrees CV=<integer> ! select partition number for ! cross-validation DEGEneracy <1 | 2> ! Set the number of couplings ! to be averaged for each observation ! in this class (default: 1) FORCe <real> [<real>] ! force constant(s) for all ! assignments in the ! current class. (default: 50, 10) NREStraints <integer> ! number of slots for J coupling ! restraints to allocate in memory (default: 200) PARTition=<integer> ! number of partitions for complete ! cross-validation POTEntial <SQUAre | HARMonic> ! use J-err or not PRINt THREshold <real> <ALL | CLASs <name>> ! prints ! J coupling violations ! greater than the specified value (in Hz) RESEt ! erases the J coupling assignment table, ! but keeps NREStrants the same.
Xplor-NIH 2024-09-13