Data Item _exptl_crystal.density_Matthews

General

Item name
_exptl_crystal.density_Matthews
Category name
exptl_crystal
Attribute name
density_Matthews
Required in PDB entries
no
Used in current PDB entries
Yes, in about 85.4 % of entries

Item Description

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 angstroms3 per dalton. Ref: Matthews, B. W. (1968). J. Mol. Biol. 33, 491-497.

Additional Descriptive Information for Depositors

               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.

Data Type

Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?

Advisory Boundary Conditions

Minimum Value Maximum Value
1.5 5.6