data_21BU # _entry.id 21BU # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.417 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code _database_2.pdbx_database_accession _database_2.pdbx_DOI PDB 21BU pdb_000021bu 10.2210/pdb21bu/pdb WWPDB D_1300066315 ? ? EMDB EMD-67562 ? ? # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date _pdbx_audit_revision_history.part_number 1 'Structure model' 1 0 2026-11-11 ? 2 'EM metadata' 1 0 2026-11-11 ? # loop_ _pdbx_audit_revision_details.ordinal _pdbx_audit_revision_details.revision_ordinal _pdbx_audit_revision_details.data_content_type _pdbx_audit_revision_details.provider _pdbx_audit_revision_details.type _pdbx_audit_revision_details.description _pdbx_audit_revision_details.details 1 1 'Structure model' repository 'Initial release' ? ? 2 2 'EM metadata' repository 'Initial release' ? ? # _pdbx_database_status.status_code REL _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr ? _pdbx_database_status.entry_id 21BU _pdbx_database_status.recvd_initial_deposition_date 2025-12-07 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site PDBJ _pdbx_database_status.process_site PDBJ _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? _pdbx_database_status.pdb_format_compatible Y # _pdbx_database_related.db_name EMDB _pdbx_database_related.details 'Cryo-EM structure of Orb2 amyloid from 15-day-old Drosophila (Type A)' _pdbx_database_related.db_id EMD-67562 _pdbx_database_related.content_type 'associated EM volume' # _pdbx_contact_author.id 2 _pdbx_contact_author.email ruhm@hku.hk _pdbx_contact_author.name_first Ruben _pdbx_contact_author.name_last Hervas _pdbx_contact_author.name_mi ? _pdbx_contact_author.role 'principal investigator/group leader' _pdbx_contact_author.identifier_ORCID 0000-0001-6393-6058 # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Guillen-Poza, P.A.' 1 0000-0002-4396-6521 'Hervas, R.' 2 0000-0001-6393-6058 # _citation.abstract ? _citation.abstract_id_CAS ? _citation.book_id_ISBN ? _citation.book_publisher ? _citation.book_publisher_city ? _citation.book_title ? _citation.coordinate_linkage ? _citation.country ? _citation.database_id_Medline ? _citation.details ? _citation.id primary _citation.journal_abbrev Cell _citation.journal_id_ASTM ? _citation.journal_id_CSD ? _citation.journal_id_ISSN 1097-4172 _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume ? _citation.language ? _citation.page_first ? _citation.page_last ? _citation.title 'Age-dependent structural evolution of a functional amyloid contributes to memory impairment in Drosophila.' _citation.year 2026 _citation.database_id_CSD ? _citation.pdbx_database_id_DOI 10.1016/j.cell.2026.10.009 _citation.pdbx_database_id_PubMed 42962658 _citation.pdbx_database_id_patent ? _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Ou, S.' 1 ? primary 'Guillen-Poza, P.A.' 2 ? primary 'Ng, K.K.' 3 ? primary 'Xu, L.' 4 ? primary 'Cheng, B.Y.' 5 ? primary 'Yi, Y.' 6 ? primary 'Ho, L.Y.' 7 ? primary 'Franco-Fernandez, A.' 8 ? primary 'Khaki, P.S.S.' 9 ? primary 'Mukhi, M.' 10 ? primary 'Cheung, K.C.' 11 ? primary 'Sharma, R.' 12 ? primary 'Oroz, J.' 13 ? primary 'Hirano, Y.' 14 ? primary 'Hervas, R.' 15 ? # _entity.id 1 _entity.type polymer _entity.src_method nat _entity.pdbx_description 'Translational regulator orb2' _entity.formula_weight 3974.170 _entity.pdbx_number_of_molecules 15 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.details ? # _entity_poly.entity_id 1 _entity_poly.type 'polypeptide(L)' _entity_poly.nstd_linkage no _entity_poly.nstd_monomer no _entity_poly.pdbx_seq_one_letter_code QLHQQQHQQQHQQHQQHQQQQQLHQHQQQLS _entity_poly.pdbx_seq_one_letter_code_can QLHQQQHQQQHQQHQQHQQQQQLHQHQQQLS _entity_poly.pdbx_strand_id A,B,C,D,E,F,G,H,I,J,K,L,M,N,O _entity_poly.pdbx_target_identifier ? # loop_ _entity_poly_seq.entity_id _entity_poly_seq.num _entity_poly_seq.mon_id _entity_poly_seq.hetero 1 1 GLN n 1 2 LEU n 1 3 HIS n 1 4 GLN n 1 5 GLN n 1 6 GLN n 1 7 HIS n 1 8 GLN n 1 9 GLN n 1 10 GLN n 1 11 HIS n 1 12 GLN n 1 13 GLN n 1 14 HIS n 1 15 GLN n 1 16 GLN n 1 17 HIS n 1 18 GLN n 1 19 GLN n 1 20 GLN n 1 21 GLN n 1 22 GLN n 1 23 LEU n 1 24 HIS n 1 25 GLN n 1 26 HIS n 1 27 GLN n 1 28 GLN n 1 29 GLN n 1 30 LEU n 1 31 SER n # _entity_src_nat.entity_id 1 _entity_src_nat.pdbx_src_id 1 _entity_src_nat.pdbx_alt_source_flag sample _entity_src_nat.pdbx_beg_seq_num 1 _entity_src_nat.pdbx_end_seq_num 31 _entity_src_nat.common_name 'fruit fly' _entity_src_nat.pdbx_organism_scientific 'Drosophila melanogaster' _entity_src_nat.pdbx_ncbi_taxonomy_id 7227 _entity_src_nat.genus ? _entity_src_nat.species ? _entity_src_nat.strain ? _entity_src_nat.tissue ? _entity_src_nat.tissue_fraction ? _entity_src_nat.pdbx_secretion ? _entity_src_nat.pdbx_fragment ? _entity_src_nat.pdbx_variant ? _entity_src_nat.pdbx_cell_line ? _entity_src_nat.pdbx_atcc ? _entity_src_nat.pdbx_cellular_location ? _entity_src_nat.pdbx_organ ? _entity_src_nat.pdbx_organelle ? _entity_src_nat.pdbx_cell ? _entity_src_nat.pdbx_plasmid_name ? _entity_src_nat.pdbx_plasmid_details ? _entity_src_nat.details ? # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight GLN 'L-peptide linking' y GLUTAMINE ? 'C5 H10 N2 O3' 146.144 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 GLN 1 6 6 GLN GLN A . n A 1 2 LEU 2 7 7 LEU LEU A . n A 1 3 HIS 3 8 8 HIS HIS A . n A 1 4 GLN 4 9 9 GLN GLN A . n A 1 5 GLN 5 10 10 GLN GLN A . n A 1 6 GLN 6 11 11 GLN GLN A . n A 1 7 HIS 7 12 12 HIS HIS A . n A 1 8 GLN 8 13 13 GLN GLN A . n A 1 9 GLN 9 14 14 GLN GLN A . n A 1 10 GLN 10 15 15 GLN GLN A . n A 1 11 HIS 11 16 16 HIS HIS A . n A 1 12 GLN 12 17 17 GLN GLN A . n A 1 13 GLN 13 18 18 GLN GLN A . n A 1 14 HIS 14 19 19 HIS HIS A . n A 1 15 GLN 15 20 20 GLN GLN A . n A 1 16 GLN 16 21 21 GLN GLN A . n A 1 17 HIS 17 22 22 HIS HIS A . n A 1 18 GLN 18 23 23 GLN GLN A . n A 1 19 GLN 19 24 24 GLN GLN A . n A 1 20 GLN 20 25 25 GLN GLN A . n A 1 21 GLN 21 26 26 GLN GLN A . n A 1 22 GLN 22 27 27 GLN GLN A . n A 1 23 LEU 23 28 28 LEU LEU A . n A 1 24 HIS 24 29 29 HIS HIS A . n A 1 25 GLN 25 30 30 GLN GLN A . n A 1 26 HIS 26 31 31 HIS HIS A . n A 1 27 GLN 27 32 32 GLN GLN A . n A 1 28 GLN 28 33 33 GLN GLN A . n A 1 29 GLN 29 34 34 GLN GLN A . n A 1 30 LEU 30 35 35 LEU LEU A . n A 1 31 SER 31 36 36 SER SER A . n B 1 1 GLN 1 6 6 GLN GLN B . n B 1 2 LEU 2 7 7 LEU LEU B . n B 1 3 HIS 3 8 8 HIS HIS B . n B 1 4 GLN 4 9 9 GLN GLN B . n B 1 5 GLN 5 10 10 GLN GLN B . n B 1 6 GLN 6 11 11 GLN GLN B . n B 1 7 HIS 7 12 12 HIS HIS B . n B 1 8 GLN 8 13 13 GLN GLN B . n B 1 9 GLN 9 14 14 GLN GLN B . n B 1 10 GLN 10 15 15 GLN GLN B . n B 1 11 HIS 11 16 16 HIS HIS B . n B 1 12 GLN 12 17 17 GLN GLN B . n B 1 13 GLN 13 18 18 GLN GLN B . n B 1 14 HIS 14 19 19 HIS HIS B . n B 1 15 GLN 15 20 20 GLN GLN B . n B 1 16 GLN 16 21 21 GLN GLN B . n B 1 17 HIS 17 22 22 HIS HIS B . n B 1 18 GLN 18 23 23 GLN GLN B . n B 1 19 GLN 19 24 24 GLN GLN B . n B 1 20 GLN 20 25 25 GLN GLN B . n B 1 21 GLN 21 26 26 GLN GLN B . n B 1 22 GLN 22 27 27 GLN GLN B . n B 1 23 LEU 23 28 28 LEU LEU B . n B 1 24 HIS 24 29 29 HIS HIS B . n B 1 25 GLN 25 30 30 GLN GLN B . n B 1 26 HIS 26 31 31 HIS HIS B . n B 1 27 GLN 27 32 32 GLN GLN B . n B 1 28 GLN 28 33 33 GLN GLN B . n B 1 29 GLN 29 34 34 GLN GLN B . n B 1 30 LEU 30 35 35 LEU LEU B . n B 1 31 SER 31 36 36 SER SER B . n C 1 1 GLN 1 6 6 GLN GLN C . n C 1 2 LEU 2 7 7 LEU LEU C . n C 1 3 HIS 3 8 8 HIS HIS C . n C 1 4 GLN 4 9 9 GLN GLN C . n C 1 5 GLN 5 10 10 GLN GLN C . n C 1 6 GLN 6 11 11 GLN GLN C . n C 1 7 HIS 7 12 12 HIS HIS C . n C 1 8 GLN 8 13 13 GLN GLN C . n C 1 9 GLN 9 14 14 GLN GLN C . n C 1 10 GLN 10 15 15 GLN GLN C . n C 1 11 HIS 11 16 16 HIS HIS C . n C 1 12 GLN 12 17 17 GLN GLN C . n C 1 13 GLN 13 18 18 GLN GLN C . n C 1 14 HIS 14 19 19 HIS HIS C . n C 1 15 GLN 15 20 20 GLN GLN C . n C 1 16 GLN 16 21 21 GLN GLN C . n C 1 17 HIS 17 22 22 HIS HIS C . n C 1 18 GLN 18 23 23 GLN GLN C . n C 1 19 GLN 19 24 24 GLN GLN C . n C 1 20 GLN 20 25 25 GLN GLN C . n C 1 21 GLN 21 26 26 GLN GLN C . n C 1 22 GLN 22 27 27 GLN GLN C . n C 1 23 LEU 23 28 28 LEU LEU C . n C 1 24 HIS 24 29 29 HIS HIS C . n C 1 25 GLN 25 30 30 GLN GLN C . n C 1 26 HIS 26 31 31 HIS HIS C . n C 1 27 GLN 27 32 32 GLN GLN C . n C 1 28 GLN 28 33 33 GLN GLN C . n C 1 29 GLN 29 34 34 GLN GLN C . n C 1 30 LEU 30 35 35 LEU LEU C . n C 1 31 SER 31 36 36 SER SER C . n D 1 1 GLN 1 6 6 GLN GLN D . n D 1 2 LEU 2 7 7 LEU LEU D . n D 1 3 HIS 3 8 8 HIS HIS D . n D 1 4 GLN 4 9 9 GLN GLN D . n D 1 5 GLN 5 10 10 GLN GLN D . n D 1 6 GLN 6 11 11 GLN GLN D . n D 1 7 HIS 7 12 12 HIS HIS D . n D 1 8 GLN 8 13 13 GLN GLN D . n D 1 9 GLN 9 14 14 GLN GLN D . n D 1 10 GLN 10 15 15 GLN GLN D . n D 1 11 HIS 11 16 16 HIS HIS D . n D 1 12 GLN 12 17 17 GLN GLN D . n D 1 13 GLN 13 18 18 GLN GLN D . n D 1 14 HIS 14 19 19 HIS HIS D . n D 1 15 GLN 15 20 20 GLN GLN D . n D 1 16 GLN 16 21 21 GLN GLN D . n D 1 17 HIS 17 22 22 HIS HIS D . n D 1 18 GLN 18 23 23 GLN GLN D . n D 1 19 GLN 19 24 24 GLN GLN D . n D 1 20 GLN 20 25 25 GLN GLN D . n D 1 21 GLN 21 26 26 GLN GLN D . n D 1 22 GLN 22 27 27 GLN GLN D . n D 1 23 LEU 23 28 28 LEU LEU D . n D 1 24 HIS 24 29 29 HIS HIS D . n D 1 25 GLN 25 30 30 GLN GLN D . n D 1 26 HIS 26 31 31 HIS HIS D . n D 1 27 GLN 27 32 32 GLN GLN D . n D 1 28 GLN 28 33 33 GLN GLN D . n D 1 29 GLN 29 34 34 GLN GLN D . n D 1 30 LEU 30 35 35 LEU LEU D . n D 1 31 SER 31 36 36 SER SER D . n E 1 1 GLN 1 6 6 GLN GLN E . n E 1 2 LEU 2 7 7 LEU LEU E . n E 1 3 HIS 3 8 8 HIS HIS E . n E 1 4 GLN 4 9 9 GLN GLN E . n E 1 5 GLN 5 10 10 GLN GLN E . n E 1 6 GLN 6 11 11 GLN GLN E . n E 1 7 HIS 7 12 12 HIS HIS E . n E 1 8 GLN 8 13 13 GLN GLN E . n E 1 9 GLN 9 14 14 GLN GLN E . n E 1 10 GLN 10 15 15 GLN GLN E . n E 1 11 HIS 11 16 16 HIS HIS E . n E 1 12 GLN 12 17 17 GLN GLN E . n E 1 13 GLN 13 18 18 GLN GLN E . n E 1 14 HIS 14 19 19 HIS HIS E . n E 1 15 GLN 15 20 20 GLN GLN E . n E 1 16 GLN 16 21 21 GLN GLN E . n E 1 17 HIS 17 22 22 HIS HIS E . n E 1 18 GLN 18 23 23 GLN GLN E . n E 1 19 GLN 19 24 24 GLN GLN E . n E 1 20 GLN 20 25 25 GLN GLN E . n E 1 21 GLN 21 26 26 GLN GLN E . n E 1 22 GLN 22 27 27 GLN GLN E . n E 1 23 LEU 23 28 28 LEU LEU E . n E 1 24 HIS 24 29 29 HIS HIS E . n E 1 25 GLN 25 30 30 GLN GLN E . n E 1 26 HIS 26 31 31 HIS HIS E . n E 1 27 GLN 27 32 32 GLN GLN E . n E 1 28 GLN 28 33 33 GLN GLN E . n E 1 29 GLN 29 34 34 GLN GLN E . n E 1 30 LEU 30 35 35 LEU LEU E . n E 1 31 SER 31 36 36 SER SER E . n F 1 1 GLN 1 6 6 GLN GLN F . n F 1 2 LEU 2 7 7 LEU LEU F . n F 1 3 HIS 3 8 8 HIS HIS F . n F 1 4 GLN 4 9 9 GLN GLN F . n F 1 5 GLN 5 10 10 GLN GLN F . n F 1 6 GLN 6 11 11 GLN GLN F . n F 1 7 HIS 7 12 12 HIS HIS F . n F 1 8 GLN 8 13 13 GLN GLN F . n F 1 9 GLN 9 14 14 GLN GLN F . n F 1 10 GLN 10 15 15 GLN GLN F . n F 1 11 HIS 11 16 16 HIS HIS F . n F 1 12 GLN 12 17 17 GLN GLN F . n F 1 13 GLN 13 18 18 GLN GLN F . n F 1 14 HIS 14 19 19 HIS HIS F . n F 1 15 GLN 15 20 20 GLN GLN F . n F 1 16 GLN 16 21 21 GLN GLN F . n F 1 17 HIS 17 22 22 HIS HIS F . n F 1 18 GLN 18 23 23 GLN GLN F . n F 1 19 GLN 19 24 24 GLN GLN F . n F 1 20 GLN 20 25 25 GLN GLN F . n F 1 21 GLN 21 26 26 GLN GLN F . n F 1 22 GLN 22 27 27 GLN GLN F . n F 1 23 LEU 23 28 28 LEU LEU F . n F 1 24 HIS 24 29 29 HIS HIS F . n F 1 25 GLN 25 30 30 GLN GLN F . n F 1 26 HIS 26 31 31 HIS HIS F . n F 1 27 GLN 27 32 32 GLN GLN F . n F 1 28 GLN 28 33 33 GLN GLN F . n F 1 29 GLN 29 34 34 GLN GLN F . n F 1 30 LEU 30 35 35 LEU LEU F . n F 1 31 SER 31 36 36 SER SER F . n G 1 1 GLN 1 6 6 GLN GLN G . n G 1 2 LEU 2 7 7 LEU LEU G . n G 1 3 HIS 3 8 8 HIS HIS G . n G 1 4 GLN 4 9 9 GLN GLN G . n G 1 5 GLN 5 10 10 GLN GLN G . n G 1 6 GLN 6 11 11 GLN GLN G . n G 1 7 HIS 7 12 12 HIS HIS G . n G 1 8 GLN 8 13 13 GLN GLN G . n G 1 9 GLN 9 14 14 GLN GLN G . n G 1 10 GLN 10 15 15 GLN GLN G . n G 1 11 HIS 11 16 16 HIS HIS G . n G 1 12 GLN 12 17 17 GLN GLN G . n G 1 13 GLN 13 18 18 GLN GLN G . n G 1 14 HIS 14 19 19 HIS HIS G . n G 1 15 GLN 15 20 20 GLN GLN G . n G 1 16 GLN 16 21 21 GLN GLN G . n G 1 17 HIS 17 22 22 HIS HIS G . n G 1 18 GLN 18 23 23 GLN GLN G . n G 1 19 GLN 19 24 24 GLN GLN G . n G 1 20 GLN 20 25 25 GLN GLN G . n G 1 21 GLN 21 26 26 GLN GLN G . n G 1 22 GLN 22 27 27 GLN GLN G . n G 1 23 LEU 23 28 28 LEU LEU G . n G 1 24 HIS 24 29 29 HIS HIS G . n G 1 25 GLN 25 30 30 GLN GLN G . n G 1 26 HIS 26 31 31 HIS HIS G . n G 1 27 GLN 27 32 32 GLN GLN G . n G 1 28 GLN 28 33 33 GLN GLN G . n G 1 29 GLN 29 34 34 GLN GLN G . n G 1 30 LEU 30 35 35 LEU LEU G . n G 1 31 SER 31 36 36 SER SER G . n H 1 1 GLN 1 6 6 GLN GLN H . n H 1 2 LEU 2 7 7 LEU LEU H . n H 1 3 HIS 3 8 8 HIS HIS H . n H 1 4 GLN 4 9 9 GLN GLN H . n H 1 5 GLN 5 10 10 GLN GLN H . n H 1 6 GLN 6 11 11 GLN GLN H . n H 1 7 HIS 7 12 12 HIS HIS H . n H 1 8 GLN 8 13 13 GLN GLN H . n H 1 9 GLN 9 14 14 GLN GLN H . n H 1 10 GLN 10 15 15 GLN GLN H . n H 1 11 HIS 11 16 16 HIS HIS H . n H 1 12 GLN 12 17 17 GLN GLN H . n H 1 13 GLN 13 18 18 GLN GLN H . n H 1 14 HIS 14 19 19 HIS HIS H . n H 1 15 GLN 15 20 20 GLN GLN H . n H 1 16 GLN 16 21 21 GLN GLN H . n H 1 17 HIS 17 22 22 HIS HIS H . n H 1 18 GLN 18 23 23 GLN GLN H . n H 1 19 GLN 19 24 24 GLN GLN H . n H 1 20 GLN 20 25 25 GLN GLN H . n H 1 21 GLN 21 26 26 GLN GLN H . n H 1 22 GLN 22 27 27 GLN GLN H . n H 1 23 LEU 23 28 28 LEU LEU H . n H 1 24 HIS 24 29 29 HIS HIS H . n H 1 25 GLN 25 30 30 GLN GLN H . n H 1 26 HIS 26 31 31 HIS HIS H . n H 1 27 GLN 27 32 32 GLN GLN H . n H 1 28 GLN 28 33 33 GLN GLN H . n H 1 29 GLN 29 34 34 GLN GLN H . n H 1 30 LEU 30 35 35 LEU LEU H . n H 1 31 SER 31 36 36 SER SER H . n I 1 1 GLN 1 6 6 GLN GLN I . n I 1 2 LEU 2 7 7 LEU LEU I . n I 1 3 HIS 3 8 8 HIS HIS I . n I 1 4 GLN 4 9 9 GLN GLN I . n I 1 5 GLN 5 10 10 GLN GLN I . n I 1 6 GLN 6 11 11 GLN GLN I . n I 1 7 HIS 7 12 12 HIS HIS I . n I 1 8 GLN 8 13 13 GLN GLN I . n I 1 9 GLN 9 14 14 GLN GLN I . n I 1 10 GLN 10 15 15 GLN GLN I . n I 1 11 HIS 11 16 16 HIS HIS I . n I 1 12 GLN 12 17 17 GLN GLN I . n I 1 13 GLN 13 18 18 GLN GLN I . n I 1 14 HIS 14 19 19 HIS HIS I . n I 1 15 GLN 15 20 20 GLN GLN I . n I 1 16 GLN 16 21 21 GLN GLN I . n I 1 17 HIS 17 22 22 HIS HIS I . n I 1 18 GLN 18 23 23 GLN GLN I . n I 1 19 GLN 19 24 24 GLN GLN I . n I 1 20 GLN 20 25 25 GLN GLN I . n I 1 21 GLN 21 26 26 GLN GLN I . n I 1 22 GLN 22 27 27 GLN GLN I . n I 1 23 LEU 23 28 28 LEU LEU I . n I 1 24 HIS 24 29 29 HIS HIS I . n I 1 25 GLN 25 30 30 GLN GLN I . n I 1 26 HIS 26 31 31 HIS HIS I . n I 1 27 GLN 27 32 32 GLN GLN I . n I 1 28 GLN 28 33 33 GLN GLN I . n I 1 29 GLN 29 34 34 GLN GLN I . n I 1 30 LEU 30 35 35 LEU LEU I . n I 1 31 SER 31 36 36 SER SER I . n J 1 1 GLN 1 6 6 GLN GLN J . n J 1 2 LEU 2 7 7 LEU LEU J . n J 1 3 HIS 3 8 8 HIS HIS J . n J 1 4 GLN 4 9 9 GLN GLN J . n J 1 5 GLN 5 10 10 GLN GLN J . n J 1 6 GLN 6 11 11 GLN GLN J . n J 1 7 HIS 7 12 12 HIS HIS J . n J 1 8 GLN 8 13 13 GLN GLN J . n J 1 9 GLN 9 14 14 GLN GLN J . n J 1 10 GLN 10 15 15 GLN GLN J . n J 1 11 HIS 11 16 16 HIS HIS J . n J 1 12 GLN 12 17 17 GLN GLN J . n J 1 13 GLN 13 18 18 GLN GLN J . n J 1 14 HIS 14 19 19 HIS HIS J . n J 1 15 GLN 15 20 20 GLN GLN J . n J 1 16 GLN 16 21 21 GLN GLN J . n J 1 17 HIS 17 22 22 HIS HIS J . n J 1 18 GLN 18 23 23 GLN GLN J . n J 1 19 GLN 19 24 24 GLN GLN J . n J 1 20 GLN 20 25 25 GLN GLN J . n J 1 21 GLN 21 26 26 GLN GLN J . n J 1 22 GLN 22 27 27 GLN GLN J . n J 1 23 LEU 23 28 28 LEU LEU J . n J 1 24 HIS 24 29 29 HIS HIS J . n J 1 25 GLN 25 30 30 GLN GLN J . n J 1 26 HIS 26 31 31 HIS HIS J . n J 1 27 GLN 27 32 32 GLN GLN J . n J 1 28 GLN 28 33 33 GLN GLN J . n J 1 29 GLN 29 34 34 GLN GLN J . n J 1 30 LEU 30 35 35 LEU LEU J . n J 1 31 SER 31 36 36 SER SER J . n K 1 1 GLN 1 6 6 GLN GLN K . n K 1 2 LEU 2 7 7 LEU LEU K . n K 1 3 HIS 3 8 8 HIS HIS K . n K 1 4 GLN 4 9 9 GLN GLN K . n K 1 5 GLN 5 10 10 GLN GLN K . n K 1 6 GLN 6 11 11 GLN GLN K . n K 1 7 HIS 7 12 12 HIS HIS K . n K 1 8 GLN 8 13 13 GLN GLN K . n K 1 9 GLN 9 14 14 GLN GLN K . n K 1 10 GLN 10 15 15 GLN GLN K . n K 1 11 HIS 11 16 16 HIS HIS K . n K 1 12 GLN 12 17 17 GLN GLN K . n K 1 13 GLN 13 18 18 GLN GLN K . n K 1 14 HIS 14 19 19 HIS HIS K . n K 1 15 GLN 15 20 20 GLN GLN K . n K 1 16 GLN 16 21 21 GLN GLN K . n K 1 17 HIS 17 22 22 HIS HIS K . n K 1 18 GLN 18 23 23 GLN GLN K . n K 1 19 GLN 19 24 24 GLN GLN K . n K 1 20 GLN 20 25 25 GLN GLN K . n K 1 21 GLN 21 26 26 GLN GLN K . n K 1 22 GLN 22 27 27 GLN GLN K . n K 1 23 LEU 23 28 28 LEU LEU K . n K 1 24 HIS 24 29 29 HIS HIS K . n K 1 25 GLN 25 30 30 GLN GLN K . n K 1 26 HIS 26 31 31 HIS HIS K . n K 1 27 GLN 27 32 32 GLN GLN K . n K 1 28 GLN 28 33 33 GLN GLN K . n K 1 29 GLN 29 34 34 GLN GLN K . n K 1 30 LEU 30 35 35 LEU LEU K . n K 1 31 SER 31 36 36 SER SER K . n L 1 1 GLN 1 6 6 GLN GLN L . n L 1 2 LEU 2 7 7 LEU LEU L . n L 1 3 HIS 3 8 8 HIS HIS L . n L 1 4 GLN 4 9 9 GLN GLN L . n L 1 5 GLN 5 10 10 GLN GLN L . n L 1 6 GLN 6 11 11 GLN GLN L . n L 1 7 HIS 7 12 12 HIS HIS L . n L 1 8 GLN 8 13 13 GLN GLN L . n L 1 9 GLN 9 14 14 GLN GLN L . n L 1 10 GLN 10 15 15 GLN GLN L . n L 1 11 HIS 11 16 16 HIS HIS L . n L 1 12 GLN 12 17 17 GLN GLN L . n L 1 13 GLN 13 18 18 GLN GLN L . n L 1 14 HIS 14 19 19 HIS HIS L . n L 1 15 GLN 15 20 20 GLN GLN L . n L 1 16 GLN 16 21 21 GLN GLN L . n L 1 17 HIS 17 22 22 HIS HIS L . n L 1 18 GLN 18 23 23 GLN GLN L . n L 1 19 GLN 19 24 24 GLN GLN L . n L 1 20 GLN 20 25 25 GLN GLN L . n L 1 21 GLN 21 26 26 GLN GLN L . n L 1 22 GLN 22 27 27 GLN GLN L . n L 1 23 LEU 23 28 28 LEU LEU L . n L 1 24 HIS 24 29 29 HIS HIS L . n L 1 25 GLN 25 30 30 GLN GLN L . n L 1 26 HIS 26 31 31 HIS HIS L . n L 1 27 GLN 27 32 32 GLN GLN L . n L 1 28 GLN 28 33 33 GLN GLN L . n L 1 29 GLN 29 34 34 GLN GLN L . n L 1 30 LEU 30 35 35 LEU LEU L . n L 1 31 SER 31 36 36 SER SER L . n M 1 1 GLN 1 6 6 GLN GLN M . n M 1 2 LEU 2 7 7 LEU LEU M . n M 1 3 HIS 3 8 8 HIS HIS M . n M 1 4 GLN 4 9 9 GLN GLN M . n M 1 5 GLN 5 10 10 GLN GLN M . n M 1 6 GLN 6 11 11 GLN GLN M . n M 1 7 HIS 7 12 12 HIS HIS M . n M 1 8 GLN 8 13 13 GLN GLN M . n M 1 9 GLN 9 14 14 GLN GLN M . n M 1 10 GLN 10 15 15 GLN GLN M . n M 1 11 HIS 11 16 16 HIS HIS M . n M 1 12 GLN 12 17 17 GLN GLN M . n M 1 13 GLN 13 18 18 GLN GLN M . n M 1 14 HIS 14 19 19 HIS HIS M . n M 1 15 GLN 15 20 20 GLN GLN M . n M 1 16 GLN 16 21 21 GLN GLN M . n M 1 17 HIS 17 22 22 HIS HIS M . n M 1 18 GLN 18 23 23 GLN GLN M . n M 1 19 GLN 19 24 24 GLN GLN M . n M 1 20 GLN 20 25 25 GLN GLN M . n M 1 21 GLN 21 26 26 GLN GLN M . n M 1 22 GLN 22 27 27 GLN GLN M . n M 1 23 LEU 23 28 28 LEU LEU M . n M 1 24 HIS 24 29 29 HIS HIS M . n M 1 25 GLN 25 30 30 GLN GLN M . n M 1 26 HIS 26 31 31 HIS HIS M . n M 1 27 GLN 27 32 32 GLN GLN M . n M 1 28 GLN 28 33 33 GLN GLN M . n M 1 29 GLN 29 34 34 GLN GLN M . n M 1 30 LEU 30 35 35 LEU LEU M . n M 1 31 SER 31 36 36 SER SER M . n N 1 1 GLN 1 6 6 GLN GLN N . n N 1 2 LEU 2 7 7 LEU LEU N . n N 1 3 HIS 3 8 8 HIS HIS N . n N 1 4 GLN 4 9 9 GLN GLN N . n N 1 5 GLN 5 10 10 GLN GLN N . n N 1 6 GLN 6 11 11 GLN GLN N . n N 1 7 HIS 7 12 12 HIS HIS N . n N 1 8 GLN 8 13 13 GLN GLN N . n N 1 9 GLN 9 14 14 GLN GLN N . n N 1 10 GLN 10 15 15 GLN GLN N . n N 1 11 HIS 11 16 16 HIS HIS N . n N 1 12 GLN 12 17 17 GLN GLN N . n N 1 13 GLN 13 18 18 GLN GLN N . n N 1 14 HIS 14 19 19 HIS HIS N . n N 1 15 GLN 15 20 20 GLN GLN N . n N 1 16 GLN 16 21 21 GLN GLN N . n N 1 17 HIS 17 22 22 HIS HIS N . n N 1 18 GLN 18 23 23 GLN GLN N . n N 1 19 GLN 19 24 24 GLN GLN N . n N 1 20 GLN 20 25 25 GLN GLN N . n N 1 21 GLN 21 26 26 GLN GLN N . n N 1 22 GLN 22 27 27 GLN GLN N . n N 1 23 LEU 23 28 28 LEU LEU N . n N 1 24 HIS 24 29 29 HIS HIS N . n N 1 25 GLN 25 30 30 GLN GLN N . n N 1 26 HIS 26 31 31 HIS HIS N . n N 1 27 GLN 27 32 32 GLN GLN N . n N 1 28 GLN 28 33 33 GLN GLN N . n N 1 29 GLN 29 34 34 GLN GLN N . n N 1 30 LEU 30 35 35 LEU LEU N . n N 1 31 SER 31 36 36 SER SER N . n O 1 1 GLN 1 6 6 GLN GLN O . n O 1 2 LEU 2 7 7 LEU LEU O . n O 1 3 HIS 3 8 8 HIS HIS O . n O 1 4 GLN 4 9 9 GLN GLN O . n O 1 5 GLN 5 10 10 GLN GLN O . n O 1 6 GLN 6 11 11 GLN GLN O . n O 1 7 HIS 7 12 12 HIS HIS O . n O 1 8 GLN 8 13 13 GLN GLN O . n O 1 9 GLN 9 14 14 GLN GLN O . n O 1 10 GLN 10 15 15 GLN GLN O . n O 1 11 HIS 11 16 16 HIS HIS O . n O 1 12 GLN 12 17 17 GLN GLN O . n O 1 13 GLN 13 18 18 GLN GLN O . n O 1 14 HIS 14 19 19 HIS HIS O . n O 1 15 GLN 15 20 20 GLN GLN O . n O 1 16 GLN 16 21 21 GLN GLN O . n O 1 17 HIS 17 22 22 HIS HIS O . n O 1 18 GLN 18 23 23 GLN GLN O . n O 1 19 GLN 19 24 24 GLN GLN O . n O 1 20 GLN 20 25 25 GLN GLN O . n O 1 21 GLN 21 26 26 GLN GLN O . n O 1 22 GLN 22 27 27 GLN GLN O . n O 1 23 LEU 23 28 28 LEU LEU O . n O 1 24 HIS 24 29 29 HIS HIS O . n O 1 25 GLN 25 30 30 GLN GLN O . n O 1 26 HIS 26 31 31 HIS HIS O . n O 1 27 GLN 27 32 32 GLN GLN O . n O 1 28 GLN 28 33 33 GLN GLN O . n O 1 29 GLN 29 34 34 GLN GLN O . n O 1 30 LEU 30 35 35 LEU LEU O . n O 1 31 SER 31 36 36 SER SER O . n # _cell.angle_alpha 90.00 _cell.angle_alpha_esd ? _cell.angle_beta 90.00 _cell.angle_beta_esd ? _cell.angle_gamma 90.00 _cell.angle_gamma_esd ? _cell.entry_id 21BU _cell.details ? _cell.formula_units_Z ? _cell.length_a 1.00 _cell.length_a_esd ? _cell.length_b 1.00 _cell.length_b_esd ? _cell.length_c 1.00 _cell.length_c_esd ? _cell.volume ? _cell.volume_esd ? _cell.Z_PDB ? _cell.reciprocal_angle_alpha ? _cell.reciprocal_angle_beta ? _cell.reciprocal_angle_gamma ? _cell.reciprocal_angle_alpha_esd ? _cell.reciprocal_angle_beta_esd ? _cell.reciprocal_angle_gamma_esd ? _cell.reciprocal_length_a ? _cell.reciprocal_length_b ? _cell.reciprocal_length_c ? _cell.reciprocal_length_a_esd ? _cell.reciprocal_length_b_esd ? _cell.reciprocal_length_c_esd ? _cell.pdbx_unique_axis ? _cell.pdbx_esd_method ? # _symmetry.entry_id 21BU _symmetry.cell_setting ? _symmetry.Int_Tables_number 1 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 1' _symmetry.pdbx_full_space_group_name_H-M ? # _exptl.absorpt_coefficient_mu ? _exptl.absorpt_correction_T_max ? _exptl.absorpt_correction_T_min ? _exptl.absorpt_correction_type ? _exptl.absorpt_process_details ? _exptl.entry_id 21BU _exptl.crystals_number ? _exptl.details ? _exptl.method 'ELECTRON MICROSCOPY' _exptl.method_details ? # _struct.entry_id 21BU _struct.title 'Cryo-EM structure of Orb2 amyloid from 15-day-old Drosophila (post-3Ha)' _struct.pdbx_model_details ? _struct.pdbx_formula_weight ? _struct.pdbx_formula_weight_method ? _struct.pdbx_model_type_details ? _struct.pdbx_CASP_flag N # _struct_keywords.entry_id 21BU _struct_keywords.text 'Orb2, Functional amyloid, Memory, Aging, PROTEIN FIBRIL' _struct_keywords.pdbx_keywords 'PROTEIN FIBRIL' # loop_ _struct_asym.id _struct_asym.pdbx_blank_PDB_chainid_flag _struct_asym.pdbx_modified _struct_asym.entity_id _struct_asym.details A N N 1 ? B N N 1 ? C N N 1 ? D N N 1 ? E N N 1 ? F N N 1 ? G N N 1 ? H N N 1 ? I N N 1 ? J N N 1 ? K N N 1 ? L N N 1 ? M N N 1 ? N N N 1 ? O N N 1 ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code ORB2_DROME _struct_ref.pdbx_db_accession Q9VSR3 _struct_ref.pdbx_db_isoform ? _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code QLHQQQHQQQHQQHQQHQQQQQLHQHQQQLS _struct_ref.pdbx_align_begin 176 # loop_ _struct_ref_seq.align_id _struct_ref_seq.ref_id _struct_ref_seq.pdbx_PDB_id_code _struct_ref_seq.pdbx_strand_id _struct_ref_seq.seq_align_beg _struct_ref_seq.pdbx_seq_align_beg_ins_code _struct_ref_seq.seq_align_end _struct_ref_seq.pdbx_seq_align_end_ins_code _struct_ref_seq.pdbx_db_accession _struct_ref_seq.db_align_beg _struct_ref_seq.pdbx_db_align_beg_ins_code _struct_ref_seq.db_align_end _struct_ref_seq.pdbx_db_align_end_ins_code _struct_ref_seq.pdbx_auth_seq_align_beg _struct_ref_seq.pdbx_auth_seq_align_end 1 1 21BU A 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 2 1 21BU B 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 3 1 21BU C 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 4 1 21BU D 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 5 1 21BU E 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 6 1 21BU F 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 7 1 21BU G 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 8 1 21BU H 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 9 1 21BU I 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 10 1 21BU J 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 11 1 21BU K 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 12 1 21BU L 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 13 1 21BU M 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 14 1 21BU N 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 15 1 21BU O 1 ? 31 ? Q9VSR3 176 ? 206 ? 6 36 # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details pentadecameric _pdbx_struct_assembly.oligomeric_count 15 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A,B,C,D,E,F,G,H,I,J,K,L,M,N,O # _pdbx_struct_assembly_auth_evidence.id 1 _pdbx_struct_assembly_auth_evidence.assembly_id 1 _pdbx_struct_assembly_auth_evidence.experimental_support 'electron microscopy' _pdbx_struct_assembly_auth_evidence.details 'not applicable' # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation ? _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # loop_ _struct_sheet.id _struct_sheet.type _struct_sheet.number_strands _struct_sheet.details AA1 ? 5 ? AA2 ? 5 ? AA3 ? 5 ? AA4 ? 5 ? AA5 ? 5 ? AA6 ? 5 ? AA7 ? 5 ? AA8 ? 5 ? AA9 ? 5 ? # loop_ _struct_sheet_order.sheet_id _struct_sheet_order.range_id_1 _struct_sheet_order.range_id_2 _struct_sheet_order.offset _struct_sheet_order.sense AA1 1 2 ? parallel AA1 2 3 ? parallel AA1 3 4 ? parallel AA1 4 5 ? parallel AA2 1 2 ? parallel AA2 2 3 ? parallel AA2 3 4 ? parallel AA2 4 5 ? parallel AA3 1 2 ? parallel AA3 2 3 ? parallel AA3 3 4 ? parallel AA3 4 5 ? parallel AA4 1 2 ? parallel AA4 2 3 ? parallel AA4 3 4 ? parallel AA4 4 5 ? parallel AA5 1 2 ? parallel AA5 2 3 ? parallel AA5 3 4 ? parallel AA5 4 5 ? parallel AA6 1 2 ? parallel AA6 2 3 ? parallel AA6 3 4 ? parallel AA6 4 5 ? parallel AA7 1 2 ? parallel AA7 2 3 ? parallel AA7 3 4 ? parallel AA7 4 5 ? parallel AA8 1 2 ? parallel AA8 2 3 ? parallel AA8 3 4 ? parallel AA8 4 5 ? parallel AA9 1 2 ? parallel AA9 2 3 ? parallel AA9 3 4 ? parallel AA9 4 5 ? parallel # loop_ _struct_sheet_range.sheet_id _struct_sheet_range.id _struct_sheet_range.beg_label_comp_id _struct_sheet_range.beg_label_asym_id _struct_sheet_range.beg_label_seq_id _struct_sheet_range.pdbx_beg_PDB_ins_code _struct_sheet_range.end_label_comp_id _struct_sheet_range.end_label_asym_id _struct_sheet_range.end_label_seq_id _struct_sheet_range.pdbx_end_PDB_ins_code _struct_sheet_range.beg_auth_comp_id _struct_sheet_range.beg_auth_asym_id _struct_sheet_range.beg_auth_seq_id _struct_sheet_range.end_auth_comp_id _struct_sheet_range.end_auth_asym_id _struct_sheet_range.end_auth_seq_id AA1 1 LEU J 2 ? GLN J 5 ? LEU J 7 GLN J 10 AA1 2 LEU D 2 ? GLN D 5 ? LEU D 7 GLN D 10 AA1 3 LEU A 2 ? GLN A 5 ? LEU A 7 GLN A 10 AA1 4 LEU G 2 ? GLN G 5 ? LEU G 7 GLN G 10 AA1 5 LEU M 2 ? GLN M 5 ? LEU M 7 GLN M 10 AA2 1 GLN J 8 ? GLN J 12 ? GLN J 13 GLN J 17 AA2 2 GLN D 8 ? GLN D 12 ? GLN D 13 GLN D 17 AA2 3 GLN A 8 ? GLN A 12 ? GLN A 13 GLN A 17 AA2 4 GLN G 8 ? GLN G 12 ? GLN G 13 GLN G 17 AA2 5 GLN M 8 ? GLN M 12 ? GLN M 13 GLN M 17 AA3 1 GLN J 15 ? GLN J 16 ? GLN J 20 GLN J 21 AA3 2 GLN D 15 ? GLN D 16 ? GLN D 20 GLN D 21 AA3 3 GLN A 15 ? GLN A 16 ? GLN A 20 GLN A 21 AA3 4 GLN G 15 ? GLN G 16 ? GLN G 20 GLN G 21 AA3 5 GLN M 15 ? GLN M 16 ? GLN M 20 GLN M 21 AA4 1 GLN J 22 ? GLN J 29 ? GLN J 27 GLN J 34 AA4 2 GLN D 22 ? GLN D 29 ? GLN D 27 GLN D 34 AA4 3 GLN A 22 ? GLN A 29 ? GLN A 27 GLN A 34 AA4 4 GLN G 22 ? GLN G 29 ? GLN G 27 GLN G 34 AA4 5 GLN M 22 ? GLN M 29 ? GLN M 27 GLN M 34 AA5 1 LEU K 2 ? GLN K 5 ? LEU K 7 GLN K 10 AA5 2 LEU E 2 ? GLN E 5 ? LEU E 7 GLN E 10 AA5 3 LEU B 2 ? GLN B 5 ? LEU B 7 GLN B 10 AA5 4 LEU H 2 ? GLN H 5 ? LEU H 7 GLN H 10 AA5 5 LEU N 2 ? GLN N 5 ? LEU N 7 GLN N 10 AA6 1 GLN K 8 ? GLN K 16 ? GLN K 13 GLN K 21 AA6 2 GLN E 8 ? GLN E 16 ? GLN E 13 GLN E 21 AA6 3 GLN B 8 ? GLN B 16 ? GLN B 13 GLN B 21 AA6 4 GLN H 8 ? GLN H 16 ? GLN H 13 GLN H 21 AA6 5 GLN N 8 ? GLN N 16 ? GLN N 13 GLN N 21 AA7 1 GLN K 22 ? GLN K 29 ? GLN K 27 GLN K 34 AA7 2 GLN E 22 ? GLN E 29 ? GLN E 27 GLN E 34 AA7 3 GLN B 22 ? GLN B 29 ? GLN B 27 GLN B 34 AA7 4 GLN H 22 ? GLN H 29 ? GLN H 27 GLN H 34 AA7 5 GLN N 22 ? GLN N 29 ? GLN N 27 GLN N 34 AA8 1 LEU L 2 ? GLN L 13 ? LEU L 7 GLN L 18 AA8 2 LEU F 2 ? GLN F 13 ? LEU F 7 GLN F 18 AA8 3 LEU C 2 ? GLN C 13 ? LEU C 7 GLN C 18 AA8 4 LEU I 2 ? GLN I 13 ? LEU I 7 GLN I 18 AA8 5 LEU O 2 ? GLN O 13 ? LEU O 7 GLN O 18 AA9 1 GLN L 22 ? GLN L 29 ? GLN L 27 GLN L 34 AA9 2 GLN F 22 ? GLN F 29 ? GLN F 27 GLN F 34 AA9 3 GLN C 22 ? GLN C 29 ? GLN C 27 GLN C 34 AA9 4 GLN I 22 ? GLN I 29 ? GLN I 27 GLN I 34 AA9 5 GLN O 22 ? GLN O 29 ? GLN O 27 GLN O 34 # loop_ _pdbx_struct_sheet_hbond.sheet_id _pdbx_struct_sheet_hbond.range_id_1 _pdbx_struct_sheet_hbond.range_id_2 _pdbx_struct_sheet_hbond.range_1_label_atom_id _pdbx_struct_sheet_hbond.range_1_label_comp_id _pdbx_struct_sheet_hbond.range_1_label_asym_id _pdbx_struct_sheet_hbond.range_1_label_seq_id _pdbx_struct_sheet_hbond.range_1_PDB_ins_code _pdbx_struct_sheet_hbond.range_1_auth_atom_id _pdbx_struct_sheet_hbond.range_1_auth_comp_id _pdbx_struct_sheet_hbond.range_1_auth_asym_id _pdbx_struct_sheet_hbond.range_1_auth_seq_id _pdbx_struct_sheet_hbond.range_2_label_atom_id _pdbx_struct_sheet_hbond.range_2_label_comp_id _pdbx_struct_sheet_hbond.range_2_label_asym_id _pdbx_struct_sheet_hbond.range_2_label_seq_id _pdbx_struct_sheet_hbond.range_2_PDB_ins_code _pdbx_struct_sheet_hbond.range_2_auth_atom_id _pdbx_struct_sheet_hbond.range_2_auth_comp_id _pdbx_struct_sheet_hbond.range_2_auth_asym_id _pdbx_struct_sheet_hbond.range_2_auth_seq_id AA1 1 2 O GLN J 5 ? O GLN J 10 N GLN D 4 ? N GLN D 9 AA1 2 3 O GLN D 5 ? O GLN D 10 N GLN A 4 ? N GLN A 9 AA1 3 4 N GLN A 5 ? N GLN A 10 O GLN G 4 ? O GLN G 9 AA1 4 5 N GLN G 5 ? N GLN G 10 O GLN M 4 ? O GLN M 9 AA2 1 2 O HIS J 11 ? O HIS J 16 N GLN D 10 ? N GLN D 15 AA2 2 3 O HIS D 11 ? O HIS D 16 N GLN A 10 ? N GLN A 15 AA2 3 4 N HIS A 11 ? N HIS A 16 O GLN G 10 ? O GLN G 15 AA2 4 5 N HIS G 11 ? N HIS G 16 O GLN M 10 ? O GLN M 15 AA3 1 2 O GLN J 16 ? O GLN J 21 N GLN D 15 ? N GLN D 20 AA3 2 3 O GLN D 16 ? O GLN D 21 N GLN A 15 ? N GLN A 20 AA3 3 4 N GLN A 16 ? N GLN A 21 O GLN G 15 ? O GLN G 20 AA3 4 5 N GLN G 16 ? N GLN G 21 O GLN M 15 ? O GLN M 20 AA4 1 2 O GLN J 22 ? O GLN J 27 N LEU D 23 ? N LEU D 28 AA4 2 3 O GLN D 22 ? O GLN D 27 N LEU A 23 ? N LEU A 28 AA4 3 4 N GLN A 22 ? N GLN A 27 O LEU G 23 ? O LEU G 28 AA4 4 5 N GLN G 22 ? N GLN G 27 O LEU M 23 ? O LEU M 28 AA5 1 2 O GLN K 5 ? O GLN K 10 N GLN E 4 ? N GLN E 9 AA5 2 3 O GLN E 5 ? O GLN E 10 N GLN B 4 ? N GLN B 9 AA5 3 4 N GLN B 5 ? N GLN B 10 O GLN H 4 ? O GLN H 9 AA5 4 5 N GLN H 5 ? N GLN H 10 O GLN N 4 ? O GLN N 9 AA6 1 2 O HIS K 11 ? O HIS K 16 N GLN E 10 ? N GLN E 15 AA6 2 3 O HIS E 11 ? O HIS E 16 N GLN B 10 ? N GLN B 15 AA6 3 4 N HIS B 11 ? N HIS B 16 O GLN H 10 ? O GLN H 15 AA6 4 5 N HIS H 11 ? N HIS H 16 O GLN N 10 ? O GLN N 15 AA7 1 2 O GLN K 22 ? O GLN K 27 N LEU E 23 ? N LEU E 28 AA7 2 3 O GLN E 22 ? O GLN E 27 N LEU B 23 ? N LEU B 28 AA7 3 4 N GLN B 22 ? N GLN B 27 O LEU H 23 ? O LEU H 28 AA7 4 5 N GLN H 22 ? N GLN H 27 O LEU N 23 ? O LEU N 28 AA8 1 2 O HIS L 11 ? O HIS L 16 N GLN F 12 ? N GLN F 17 AA8 2 3 O HIS F 11 ? O HIS F 16 N GLN C 12 ? N GLN C 17 AA8 3 4 N HIS C 11 ? N HIS C 16 O GLN I 12 ? O GLN I 17 AA8 4 5 N HIS I 11 ? N HIS I 16 O GLN O 12 ? O GLN O 17 AA9 1 2 O GLN L 22 ? O GLN L 27 N LEU F 23 ? N LEU F 28 AA9 2 3 O GLN F 22 ? O GLN F 27 N LEU C 23 ? N LEU C 28 AA9 3 4 N GLN C 22 ? N GLN C 27 O LEU I 23 ? O LEU I 28 AA9 4 5 N GLN I 22 ? N GLN I 27 O LEU O 23 ? O LEU O 28 # _pdbx_entry_details.entry_id 21BU _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? _pdbx_entry_details.compound_details ? _pdbx_entry_details.source_details ? _pdbx_entry_details.has_ligand_of_interest ? _pdbx_entry_details.has_protein_modification N # _em_3d_fitting.id 1 _em_3d_fitting.entry_id 21BU _em_3d_fitting.method ? _em_3d_fitting.target_criteria ? _em_3d_fitting.details ? _em_3d_fitting.overall_b_value ? _em_3d_fitting.ref_space ? _em_3d_fitting.ref_protocol ? # _em_3d_reconstruction.entry_id 21BU _em_3d_reconstruction.id 1 _em_3d_reconstruction.method ? _em_3d_reconstruction.algorithm ? _em_3d_reconstruction.citation_id ? _em_3d_reconstruction.details ? _em_3d_reconstruction.resolution 2.72 _em_3d_reconstruction.resolution_method 'FSC 0.143 CUT-OFF' _em_3d_reconstruction.magnification_calibration ? _em_3d_reconstruction.nominal_pixel_size ? _em_3d_reconstruction.actual_pixel_size ? _em_3d_reconstruction.num_particles 70583 _em_3d_reconstruction.euler_angles_details ? _em_3d_reconstruction.num_class_averages ? _em_3d_reconstruction.refinement_type ? _em_3d_reconstruction.image_processing_id 1 _em_3d_reconstruction.symmetry_type HELICAL # _em_buffer.id 1 _em_buffer.specimen_id 1 _em_buffer.name ? _em_buffer.details ? _em_buffer.pH 7.25 # _em_entity_assembly.id 1 _em_entity_assembly.parent_id 0 _em_entity_assembly.source NATURAL _em_entity_assembly.type TISSUE _em_entity_assembly.name 'Translational regulator orb2 amyloid' _em_entity_assembly.details ? _em_entity_assembly.synonym ? _em_entity_assembly.oligomeric_details ? _em_entity_assembly.entity_id_list 1 # _em_imaging.entry_id 21BU _em_imaging.id 1 _em_imaging.astigmatism ? _em_imaging.electron_beam_tilt_params ? _em_imaging.residual_tilt ? _em_imaging.microscope_model 'TFS KRIOS' _em_imaging.specimen_holder_type ? _em_imaging.specimen_holder_model ? _em_imaging.details ? _em_imaging.date ? _em_imaging.accelerating_voltage 300 _em_imaging.illumination_mode 'FLOOD BEAM' _em_imaging.mode 'BRIGHT FIELD' _em_imaging.nominal_cs ? _em_imaging.nominal_defocus_min 800 _em_imaging.nominal_defocus_max 2000 _em_imaging.calibrated_defocus_min ? _em_imaging.calibrated_defocus_max ? _em_imaging.tilt_angle_min ? _em_imaging.tilt_angle_max ? _em_imaging.nominal_magnification 130000 _em_imaging.calibrated_magnification ? _em_imaging.electron_source 'FIELD EMISSION GUN' _em_imaging.citation_id ? _em_imaging.temperature ? _em_imaging.detector_distance ? _em_imaging.recording_temperature_minimum ? _em_imaging.recording_temperature_maximum ? _em_imaging.alignment_procedure ? _em_imaging.c2_aperture_diameter ? _em_imaging.specimen_id 1 _em_imaging.cryogen ? _em_imaging.objective_aperture ? _em_imaging.microscope_serial_number ? _em_imaging.microscope_version ? # _em_vitrification.entry_id 21BU _em_vitrification.id 1 _em_vitrification.specimen_id 1 _em_vitrification.cryogen_name ETHANE _em_vitrification.humidity 100 _em_vitrification.temp ? _em_vitrification.chamber_temperature 277 _em_vitrification.instrument 'FEI VITROBOT MARK IV' _em_vitrification.method ? _em_vitrification.time_resolved_state ? _em_vitrification.citation_id ? _em_vitrification.details ? # _em_experiment.entry_id 21BU _em_experiment.id 1 _em_experiment.reconstruction_method HELICAL _em_experiment.aggregation_state FILAMENT _em_experiment.entity_assembly_id 1 # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.type_symbol _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_ordinal GLN N N N N 1 GLN CA C N S 2 GLN C C N N 3 GLN O O N N 4 GLN CB C N N 5 GLN CG C N N 6 GLN CD C N N 7 GLN OE1 O N N 8 GLN NE2 N N N 9 GLN OXT O N N 10 GLN H H N N 11 GLN H2 H N N 12 GLN HA H N N 13 GLN HB2 H N N 14 GLN HB3 H N N 15 GLN HG2 H N N 16 GLN HG3 H N N 17 GLN HE21 H N N 18 GLN HE22 H N N 19 GLN HXT H N N 20 HIS N N N N 21 HIS CA C N S 22 HIS C C N N 23 HIS O O N N 24 HIS CB C N N 25 HIS CG C Y N 26 HIS ND1 N Y N 27 HIS CD2 C Y N 28 HIS CE1 C Y N 29 HIS NE2 N Y N 30 HIS OXT O N N 31 HIS H H N N 32 HIS H2 H N N 33 HIS HA H N N 34 HIS HB2 H N N 35 HIS HB3 H N N 36 HIS HD1 H N N 37 HIS HD2 H N N 38 HIS HE1 H N N 39 HIS HE2 H N N 40 HIS HXT H N N 41 LEU N N N N 42 LEU CA C N S 43 LEU C C N N 44 LEU O O N N 45 LEU CB C N N 46 LEU CG C N N 47 LEU CD1 C N N 48 LEU CD2 C N N 49 LEU OXT O N N 50 LEU H H N N 51 LEU H2 H N N 52 LEU HA H N N 53 LEU HB2 H N N 54 LEU HB3 H N N 55 LEU HG H N N 56 LEU HD11 H N N 57 LEU HD12 H N N 58 LEU HD13 H N N 59 LEU HD21 H N N 60 LEU HD22 H N N 61 LEU HD23 H N N 62 LEU HXT H N N 63 SER N N N N 64 SER CA C N S 65 SER C C N N 66 SER O O N N 67 SER CB C N N 68 SER OG O N N 69 SER OXT O N N 70 SER H H N N 71 SER H2 H N N 72 SER HA H N N 73 SER HB2 H N N 74 SER HB3 H N N 75 SER HG H N N 76 SER HXT H N N 77 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal GLN N CA sing N N 1 GLN N H sing N N 2 GLN N H2 sing N N 3 GLN CA C sing N N 4 GLN CA CB sing N N 5 GLN CA HA sing N N 6 GLN C O doub N N 7 GLN C OXT sing N N 8 GLN CB CG sing N N 9 GLN CB HB2 sing N N 10 GLN CB HB3 sing N N 11 GLN CG CD sing N N 12 GLN CG HG2 sing N N 13 GLN CG HG3 sing N N 14 GLN CD OE1 doub N N 15 GLN CD NE2 sing N N 16 GLN NE2 HE21 sing N N 17 GLN NE2 HE22 sing N N 18 GLN OXT HXT sing N N 19 HIS N CA sing N N 20 HIS N H sing N N 21 HIS N H2 sing N N 22 HIS CA C sing N N 23 HIS CA CB sing N N 24 HIS CA HA sing N N 25 HIS C O doub N N 26 HIS C OXT sing N N 27 HIS CB CG sing N N 28 HIS CB HB2 sing N N 29 HIS CB HB3 sing N N 30 HIS CG ND1 sing Y N 31 HIS CG CD2 doub Y N 32 HIS ND1 CE1 doub Y N 33 HIS ND1 HD1 sing N N 34 HIS CD2 NE2 sing Y N 35 HIS CD2 HD2 sing N N 36 HIS CE1 NE2 sing Y N 37 HIS CE1 HE1 sing N N 38 HIS NE2 HE2 sing N N 39 HIS OXT HXT sing N N 40 LEU N CA sing N N 41 LEU N H sing N N 42 LEU N H2 sing N N 43 LEU CA C sing N N 44 LEU CA CB sing N N 45 LEU CA HA sing N N 46 LEU C O doub N N 47 LEU C OXT sing N N 48 LEU CB CG sing N N 49 LEU CB HB2 sing N N 50 LEU CB HB3 sing N N 51 LEU CG CD1 sing N N 52 LEU CG CD2 sing N N 53 LEU CG HG sing N N 54 LEU CD1 HD11 sing N N 55 LEU CD1 HD12 sing N N 56 LEU CD1 HD13 sing N N 57 LEU CD2 HD21 sing N N 58 LEU CD2 HD22 sing N N 59 LEU CD2 HD23 sing N N 60 LEU OXT HXT sing N N 61 SER N CA sing N N 62 SER N H sing N N 63 SER N H2 sing N N 64 SER CA C sing N N 65 SER CA CB sing N N 66 SER CA HA sing N N 67 SER C O doub N N 68 SER C OXT sing N N 69 SER CB OG sing N N 70 SER CB HB2 sing N N 71 SER CB HB3 sing N N 72 SER OG HG sing N N 73 SER OXT HXT sing N N 74 # _em_admin.current_status REL _em_admin.deposition_date 2025-12-07 _em_admin.deposition_site PDBJ _em_admin.entry_id 21BU _em_admin.last_update 2026-11-11 _em_admin.map_release_date 2026-11-11 _em_admin.title 'Cryo-EM structure of Orb2 amyloid from 15-day-old Drosophila (post-3Ha)' # _em_ctf_correction.details ? _em_ctf_correction.em_image_processing_id 1 _em_ctf_correction.id 1 _em_ctf_correction.type 'PHASE FLIPPING AND AMPLITUDE CORRECTION' # _em_entity_assembly_naturalsource.cell ? _em_entity_assembly_naturalsource.cellular_location ? _em_entity_assembly_naturalsource.entity_assembly_id 1 _em_entity_assembly_naturalsource.id 1 _em_entity_assembly_naturalsource.ncbi_tax_id 7227 _em_entity_assembly_naturalsource.organism 'Drosophila melanogaster' _em_entity_assembly_naturalsource.organelle ? _em_entity_assembly_naturalsource.organ ? _em_entity_assembly_naturalsource.strain ? _em_entity_assembly_naturalsource.tissue ? _em_entity_assembly_naturalsource.details ? # _em_helical_entity.id 1 _em_helical_entity.image_processing_id 1 _em_helical_entity.details ? _em_helical_entity.axial_symmetry C1 _em_helical_entity.angular_rotation_per_subunit -1.435 _em_helical_entity.axial_rise_per_subunit 4.879 # _em_image_processing.details ? _em_image_processing.id 1 _em_image_processing.image_recording_id 1 # _em_image_recording.average_exposure_time ? _em_image_recording.avg_electron_dose_per_subtomogram ? _em_image_recording.avg_electron_dose_per_image 40 _em_image_recording.details ? _em_image_recording.detector_mode ? _em_image_recording.film_or_detector_model 'FEI FALCON IV (4k x 4k)' _em_image_recording.id 1 _em_image_recording.imaging_id 1 _em_image_recording.num_diffraction_images ? _em_image_recording.num_grids_imaged ? _em_image_recording.num_real_images ? # loop_ _em_software.category _em_software.details _em_software.id _em_software.image_processing_id _em_software.fitting_id _em_software.imaging_id _em_software.name _em_software.version _em_software.reference_DOI 'PARTICLE SELECTION' ? 1 1 ? ? RELION 5.0 ? 'IMAGE ACQUISITION' ? 2 ? ? 1 ? ? ? MASKING ? 3 ? ? ? ? ? ? 'CTF CORRECTION' ? 4 1 ? ? ? ? ? 'LAYERLINE INDEXING' ? 5 ? ? ? ? ? ? 'DIFFRACTION INDEXING' ? 6 ? ? ? ? ? ? 'MODEL FITTING' ? 7 ? ? ? ? ? ? 'MODEL REFINEMENT' ? 8 ? ? ? ? ? ? OTHER ? 9 ? ? ? ? ? ? 'INITIAL EULER ASSIGNMENT' ? 10 1 ? ? ? ? ? 'FINAL EULER ASSIGNMENT' ? 11 1 ? ? ? ? ? CLASSIFICATION ? 12 1 ? ? ? ? ? RECONSTRUCTION ? 13 1 ? ? RELION 5.0 ? 'VOLUME SELECTION' ? 14 1 1 1 ? ? ? 'SERIES ALIGNMENT' ? 15 1 1 1 ? ? ? 'MOLECULAR REPLACEMENT' ? 16 1 1 1 ? ? ? 'LATTICE DISTORTION CORRECTION' ? 17 1 1 1 ? ? ? 'SYMMETRY DETERMINATION' ? 18 1 1 1 ? ? ? 'CRYSTALLOGRAPHY MERGING' ? 19 1 1 1 ? ? ? # _em_specimen.concentration ? _em_specimen.details ? _em_specimen.embedding_applied NO _em_specimen.experiment_id 1 _em_specimen.id 1 _em_specimen.shadowing_applied NO _em_specimen.staining_applied NO _em_specimen.vitrification_applied YES # _pdbx_audit_support.funding_organization 'Other government' _pdbx_audit_support.country 'Hong Kong' _pdbx_audit_support.grant_number ? _pdbx_audit_support.ordinal 1 # _atom_sites.entry_id 21BU _atom_sites.Cartn_transf_matrix[1][1] ? _atom_sites.Cartn_transf_matrix[1][2] ? _atom_sites.Cartn_transf_matrix[1][3] ? _atom_sites.Cartn_transf_matrix[2][1] ? _atom_sites.Cartn_transf_matrix[2][2] ? _atom_sites.Cartn_transf_matrix[2][3] ? _atom_sites.Cartn_transf_matrix[3][1] ? _atom_sites.Cartn_transf_matrix[3][2] ? _atom_sites.Cartn_transf_matrix[3][3] ? _atom_sites.Cartn_transf_vector[1] ? _atom_sites.Cartn_transf_vector[2] ? _atom_sites.Cartn_transf_vector[3] ? _atom_sites.Cartn_transform_axes ? _atom_sites.fract_transf_matrix[1][1] 1.000000 _atom_sites.fract_transf_matrix[1][2] 0.000000 _atom_sites.fract_transf_matrix[1][3] 0.000000 _atom_sites.fract_transf_matrix[2][1] 0.000000 _atom_sites.fract_transf_matrix[2][2] 1.000000 _atom_sites.fract_transf_matrix[2][3] 0.000000 _atom_sites.fract_transf_matrix[3][1] 0.000000 _atom_sites.fract_transf_matrix[3][2] 0.000000 _atom_sites.fract_transf_matrix[3][3] 1.000000 _atom_sites.fract_transf_vector[1] 0.00000 _atom_sites.fract_transf_vector[2] 0.00000 _atom_sites.fract_transf_vector[3] 0.00000 _atom_sites.solution_primary ? _atom_sites.solution_secondary ? _atom_sites.solution_hydrogens ? _atom_sites.special_details ? # loop_ _atom_type.symbol C N O # loop_ #