The Anglo-Saxon scop and gleeman were replaced in the thirteenth century by the minstrel. SCOP classifies the 3D structure as belonging to the SH2 domain family. In Anglo-Saxon England, the professional poet was known as a scop ("shaper" or "maker"). This produces a greater SCOP (Seasonal COP). They are mentioned as the people of the scop Widsith. The unit of classification of structure in SCOP is the protein domain. The prototype was used for the development of the SCOP version 2 database. Offices at the court included that of the "thyle" and the "scop". The work on SCOP 1.75 has been discontinued in 2014. The levels of SCOP version 1.75 are as follows. Most pages in SCOP contain a search box. Databases of proteins which use such a classification include "SCOP" and "CATH". This is the top level "root" of the SCOP hierarchical classification. The SCOP database is freely accessible on the internet. Her story is sung by a scop during festivities in lines 1071-1158.