%load_ext autoreload
%autoreload 2

import molsysmt as msm

Get entity id

AAA

molsys = msm.convert(msm.systems['chicken villin HP35']['chicken_villin_HP35_solvated.h5msm'])

ids = msm.element.entity.get_entity_id(molsys, element='entity', selection='all', redefine_entities=True,
                                      redefine_ids=True)

ids

[0, 1, 2]

ids = msm.element.entity.get_entity_id(molsys, element='entity', selection='all', redefine_entities=False,
                                      redefine_ids=False)

ids

[0, 1, 2]