Create a scientific text which summarizes the following information for a protein structure:

The title of this entry is: "Solution structure of crambin in acetone/water mixed solvent".
The experimental method of this entry is: "Solution NMR".
This entry contains the following molecular types: protein,
This entry contains 1 entities distributed in 1 chains
 Chain A contains 1 entities which are: crambin from Crambe hispanica subsp. abyssinica; . crambin from Crambe hispanica subsp. abyssinica is a protein molecule.