2IX1

RNase II D209N mutant

Changes made to a PDB entry after its initial release are considered to be either “major” or “minor”. The latest minor version of each major version is available as a file download. More information about the PDB versioning is available.

Version Number	Version Date	Version Type/Reason	Version Change	Revised CIF Category
1.0	2006-10-05	Initial release
1.1	2011-07-13		Advisory, Version format compliance
1.2	2019-03-06		Data collection, Experimental preparation, Other	exptl_crystal_grow, pdbx_database_proc, pdbx_database_status
1.3	2019-05-08		Data collection, Experimental preparation	exptl_crystal_grow
1.4	2019-07-24		Data collection, Source and taxonomy, Structure summary	entity, entity_src_nat	Download

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