Crystallographic Information Framework

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Protein Data Bank exchange dictionary (pdbx) version 1.0521




   The density of the crystal, expressed as the ratio of the
   volume of the asymmetric unit to the molecular mass of a
   monomer of the structure, in units of angstroms^3^ per dalton.

   Ref: Matthews, B. W. (1968). J. Mol. Biol. 33, 491-497.

Type: float

Mandatory item: no

Category: exptl_crystal