1QNQ | pdb_00001qnq

The 3-D structure of a Trichoderma reesei b-mannanase from glycoside hydrolase family 5

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	2000-10-19	Initial release
1.1	2013-01-30		Database references, Derived calculations, Non-polymer description, Other, Structure summary, Version format compliance
1.2	2017-06-28		Refinement description	software
1.3	2020-07-29	Remediation / Carbohydrate remediation	Data collection, Derived calculations, Structure summary	chem_comp, entity, pdbx_chem_comp_identifier, pdbx_entity_nonpoly, struct_conn, struct_site, struct_site_gen
1.4	2024-11-13		Data collection, Database references, Structure summary	chem_comp, chem_comp_atom, chem_comp_bond, database_2, pdbx_entry_details, pdbx_modification_feature	Download
2.0	2026-08-26	Remediation / Metalloprotein remediation	Advisory, Derived calculations, Non-polymer description, Structure summary	chem_comp, pdbx_contact_author, pdbx_modification_feature, pdbx_nonpoly_atom_coordination, pdbx_nonpoly_atom_coordination_sphere, pdbx_nonpoly_atom_coordination_sphere_order, pdbx_struct_conn_angle, pdbx_unobs_or_zero_occ_atoms, pdbx_validate_close_contact, struct_conn, struct_conn_type	Download

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.