data_21XK # _entry.id 21XK # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.410 _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 21XK pdb_000021xk 10.2210/pdb21xk/pdb WWPDB D_1300065777 ? ? EMDB EMD-68068 ? ? # 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 2026-02-18 ? 2 'EM metadata' 1 0 2026-02-18 ? 3 FSC 1 0 2026-02-18 ? 4 'Half map' 1 0 2026-02-18 1 5 'Half map' 1 0 2026-02-18 2 6 Image 1 0 2026-02-18 ? 7 Mask 1 0 2026-02-18 1 8 'Primary map' 1 0 2026-02-18 ? # 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' ? ? 3 3 FSC repository 'Initial release' ? ? 4 4 'Half map' repository 'Initial release' ? ? 5 5 'Half map' repository 'Initial release' ? ? 6 6 Image repository 'Initial release' ? ? 7 7 Mask repository 'Initial release' ? ? 8 8 'Primary map' 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 21XK _pdbx_database_status.recvd_initial_deposition_date 2026-01-03 _pdbx_database_status.SG_entry N _pdbx_database_status.deposit_site PDBJ _pdbx_database_status.process_site PDBC _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 'TLP-2f, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China' _pdbx_database_related.db_id EMD-68068 _pdbx_database_related.content_type 'associated EM volume' # _pdbx_contact_author.id 2 _pdbx_contact_author.email humingxu@smart.org.cn _pdbx_contact_author.name_first Mingxu _pdbx_contact_author.name_last Hu _pdbx_contact_author.name_mi ? _pdbx_contact_author.role 'principal investigator/group leader' _pdbx_contact_author.identifier_ORCID 0000-0003-3603-3966 # loop_ _audit_author.name _audit_author.pdbx_ordinal _audit_author.identifier_ORCID 'Hu, M.X.' 1 ? 'Zhang, Q.' 2 ? 'Chen, S.' 3 ? 'Ge, Q.J.' 4 ? 'Wang, J.W.' 5 ? 'Yan, N.' 6 ? 'Qin, L.J.' 7 ? # _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 'To Be Published' _citation.journal_id_ASTM ? _citation.journal_id_CSD 0353 _citation.journal_id_ISSN ? _citation.journal_full ? _citation.journal_issue ? _citation.journal_volume ? _citation.language ? _citation.page_first ? _citation.page_last ? _citation.title 'Absolute hand determination of glycofibrils from natural sources in cryo-EM' _citation.year ? _citation.database_id_CSD ? _citation.pdbx_database_id_DOI ? _citation.pdbx_database_id_PubMed ? _citation.pdbx_database_id_patent ? _citation.unpublished_flag ? # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Hu, M.X.' 1 ? primary 'Zhang, Q.' 2 ? primary 'Chen, S.' 3 ? primary 'Ge, Q.J.' 4 ? primary 'Wang, J.W.' 5 ? primary 'Yan, N.' 6 ? primary 'Qin, L.J.' 7 ? # loop_ _entity.id _entity.type _entity.src_method _entity.pdbx_description _entity.formula_weight _entity.pdbx_number_of_molecules _entity.pdbx_ec _entity.pdbx_mutation _entity.pdbx_fragment _entity.details 1 polymer nat TLP-2f 176.171 1 ? ? ? ;TLP-2f is a macromolecule consisting of a linear chain of SA dipeptide repeats, surrounded by a polysaccharide coat. We have only built the asymmetric unit of this helical assembly; accordingly, this unit contains a single dipeptide repeat, namely SA. ; 2 branched man ;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-6)-[beta-D-mannopyranose-(1-4)]beta-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-6)]2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-2)]alpha-D-mannopyranose ; 2856.513 1 ? ? ? ? 3 branched man ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-[beta-D-mannopyranose-(1-2)]beta-D-mannopyranose-(1-4)-[beta-D-mannopyranose-(1-3)]2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-3)-[beta-D-mannopyranose-(1-4)]alpha-D-mannopyranose ; 1397.246 1 ? ? ? ? 4 branched man ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-4)-[beta-D-mannopyranose-(1-2)-beta-D-mannopyranose-(1-3)][beta-D-mannopyranose-(1-2)][beta-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-2)-[beta-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; 2045.809 1 ? ? ? ? # _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 SA _entity_poly.pdbx_seq_one_letter_code_can SA _entity_poly.pdbx_strand_id A _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 SER n 1 2 ALA 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 2 _entity_src_nat.common_name ? _entity_src_nat.pdbx_organism_scientific unidentified _entity_src_nat.pdbx_ncbi_taxonomy_id 32644 _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_ _pdbx_entity_branch.entity_id _pdbx_entity_branch.type 2 oligosaccharide 3 oligosaccharide 4 oligosaccharide # loop_ _pdbx_entity_branch_descriptor.ordinal _pdbx_entity_branch_descriptor.entity_id _pdbx_entity_branch_descriptor.descriptor _pdbx_entity_branch_descriptor.type _pdbx_entity_branch_descriptor.program _pdbx_entity_branch_descriptor.program_version 1 2 ;DManpa1-6DManpa1-3DManpb1-6[DManpb1-4]DManpb1-2DManpb1-6DManpb1-4[DManpb1-6]DManpb1-3[DManpa1-2DManpb1-3DManpb1-6DManpb1-6]DGlcpNAca1-3[DGlcpNAcb1-2DManpa1-2]DManpa1-ROH ; 'Glycam Condensed Sequence' GMML 1.0 2 2 ;WURCS=2.0/4,17,16/[a1122h-1a_1-5][a2122h-1b_1-5_2*NCC/3=O][a2122h-1a_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2-3-4-4-4-4-4-4-1-1-4-4-4-4-1/a2-b1_a3-d1_b2-c1_d3-e1_d6-n1_e4-f1_e6-m1_f6-g1_g2-h1_h4-i1_h6-j1_j3-k1_k6-l1_n6-o1_o3-p1_p2-q1 ; WURCS PDB2Glycan 1.1.0 3 2 ;[][D-1-deoxy-Manp]{[(2+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{}}[(3+1)][a-D-GlcpNAc]{[(3+1)][b-D-Manp]{[(4+1)][b-D-Manp]{[(6+1)][b-D-Manp]{[(2+1)][b-D-Manp]{[(4+1)][b-D-Manp]{}[(6+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(6+1)][a-D-Manp]{}}}}}}[(6+1)][b-D-Manp]{}}[(6+1)][b-D-Manp]{[(6+1)][b-D-Manp]{[(3+1)][b-D-Manp]{[(2+1)][a-D-Manp]{}}}}}} ; LINUCS PDB-CARE ? 4 3 'DManpb1-4DGlcpNAcb1-3[DManpb1-2]DManpb1-4[DManpb1-3]DGlcpNAca1-3[DManpb1-4]DManpa1-ROH' 'Glycam Condensed Sequence' GMML 1.0 5 3 ;WURCS=2.0/4,8,7/[a1122h-1a_1-5][a2122h-1a_1-5_2*NCC/3=O][a1122h-1b_1-5][a2122h-1b_1-5_2*NCC/3=O]/1-2-3-3-3-4-3-3/a3-b1_a4-h1_b3-c1_b4-d1_d2-e1_d3-f1_f4-g1 ; WURCS PDB2Glycan 1.1.0 6 3 ;[][D-1-deoxy-Manp]{[(3+1)][a-D-GlcpNAc]{[(3+1)][b-D-Manp]{}[(4+1)][b-D-Manp]{[(2+1)][b-D-Manp]{}[(3+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}[(4+1)][b-D-Manp]{}} ; LINUCS PDB-CARE ? 7 4 'DGlcpNAcb1-2DManpa1-2DManpb1-4[DManpb1-2DManpb1-3][DManpb1-2][DManpb1-6]DManpb1-2[DManpb1-6DManpb1-4]DManpb1-4DGlcpNAcb1-ROH' 'Glycam Condensed Sequence' GMML 1.0 8 4 ;WURCS=2.0/3,12,11/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-2-2-2-2-2-2-3-1-2-2-2/a4-b1_b2-c1_b4-k1_c2-d1_c3-e1_c4-g1_c6-j1_e2-f1_g2-h1_h2-i1_k6-l1 ; WURCS PDB2Glycan 1.1.0 9 4 ;[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-Manp]{[(2+1)][b-D-Manp]{[(2+1)][b-D-Manp]{}[(3+1)][b-D-Manp]{[(2+1)][b-D-Manp]{}}[(4+1)][b-D-Manp]{[(2+1)][a-D-Manp]{[(2+1)][b-D-GlcpNAc]{}}}[(6+1)][b-D-Manp]{}}[(4+1)][b-D-Manp]{[(6+1)][b-D-Manp]{}}}} ; LINUCS PDB-CARE ? # loop_ _pdbx_entity_branch_link.link_id _pdbx_entity_branch_link.entity_id _pdbx_entity_branch_link.entity_branch_list_num_1 _pdbx_entity_branch_link.comp_id_1 _pdbx_entity_branch_link.atom_id_1 _pdbx_entity_branch_link.leaving_atom_id_1 _pdbx_entity_branch_link.entity_branch_list_num_2 _pdbx_entity_branch_link.comp_id_2 _pdbx_entity_branch_link.atom_id_2 _pdbx_entity_branch_link.leaving_atom_id_2 _pdbx_entity_branch_link.value_order _pdbx_entity_branch_link.details 1 2 2 NDG C1 O1 1 MAN O3 HO3 sing ? 2 2 3 BMA C1 O1 2 NDG O3 HO3 sing ? 3 2 4 BMA C1 O1 3 BMA O4 HO4 sing ? 4 2 5 BMA C1 O1 4 BMA O6 HO6 sing ? 5 2 6 BMA C1 O1 5 BMA O2 HO2 sing ? 6 2 7 BMA C1 O1 6 BMA O6 HO6 sing ? 7 2 8 MAN C1 O1 7 BMA O3 HO3 sing ? 8 2 9 MAN C1 O1 8 MAN O6 HO6 sing ? 9 2 10 BMA C1 O1 6 BMA O4 HO4 sing ? 10 2 11 BMA C1 O1 3 BMA O6 HO6 sing ? 11 2 12 BMA C1 O1 2 NDG O6 HO6 sing ? 12 2 13 BMA C1 O1 12 BMA O6 HO6 sing ? 13 2 14 BMA C1 O1 13 BMA O3 HO3 sing ? 14 2 15 MAN C1 O1 14 BMA O2 HO2 sing ? 15 2 16 MAN C1 O1 1 MAN O2 HO2 sing ? 16 2 17 NAG C1 O1 16 MAN O2 HO2 sing ? 17 3 2 NDG C1 O1 1 MAN O3 HO3 sing ? 18 3 3 BMA C1 O1 2 NDG O4 HO4 sing ? 19 3 4 NAG C1 O1 3 BMA O3 HO3 sing ? 20 3 5 BMA C1 O1 4 NAG O4 HO4 sing ? 21 3 6 BMA C1 O1 3 BMA O2 HO2 sing ? 22 3 7 BMA C1 O1 2 NDG O3 HO3 sing ? 23 3 8 BMA C1 O1 1 MAN O4 HO4 sing ? 24 4 2 BMA C1 O1 1 NAG O4 HO4 sing ? 25 4 3 BMA C1 O1 2 BMA O2 HO2 sing ? 26 4 4 BMA C1 O1 3 BMA O4 HO4 sing ? 27 4 5 MAN C1 O1 4 BMA O2 HO2 sing ? 28 4 6 NAG C1 O1 5 MAN O2 HO2 sing ? 29 4 7 BMA C1 O1 3 BMA O3 HO3 sing ? 30 4 8 BMA C1 O1 7 BMA O2 HO2 sing ? 31 4 9 BMA C1 O1 3 BMA O2 HO2 sing ? 32 4 10 BMA C1 O1 3 BMA O6 HO6 sing ? 33 4 11 BMA C1 O1 2 BMA O4 HO4 sing ? 34 4 12 BMA C1 O1 11 BMA O6 HO6 sing ? # 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 ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 BMA 'D-saccharide, beta linking' . beta-D-mannopyranose 'beta-D-mannose; D-mannose; mannose' 'C6 H12 O6' 180.156 MAN 'D-saccharide, alpha linking' . alpha-D-mannopyranose 'alpha-D-mannose; D-mannose; mannose' 'C6 H12 O6' 180.156 NAG 'D-saccharide, beta linking' . 2-acetamido-2-deoxy-beta-D-glucopyranose ;N-acetyl-beta-D-glucosamine; 2-acetamido-2-deoxy-beta-D-glucose; 2-acetamido-2-deoxy-D-glucose; 2-acetamido-2-deoxy-glucose; N-ACETYL-D-GLUCOSAMINE ; 'C8 H15 N O6' 221.208 NDG 'D-saccharide, alpha linking' . 2-acetamido-2-deoxy-alpha-D-glucopyranose ;N-acetyl-alpha-D-glucosamine; 2-acetamido-2-deoxy-alpha-D-glucose; 2-acetamido-2-deoxy-D-glucose; 2-acetamido-2-deoxy-glucose; 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE ; 'C8 H15 N O6' 221.208 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 # loop_ _pdbx_chem_comp_identifier.comp_id _pdbx_chem_comp_identifier.type _pdbx_chem_comp_identifier.program _pdbx_chem_comp_identifier.program_version _pdbx_chem_comp_identifier.identifier BMA 'CONDENSED IUPAC CARBOHYDRATE SYMBOL' GMML 1.0 DManpb BMA 'COMMON NAME' GMML 1.0 b-D-mannopyranose BMA 'IUPAC CARBOHYDRATE SYMBOL' PDB-CARE 1.0 b-D-Manp BMA 'SNFG CARBOHYDRATE SYMBOL' GMML 1.0 Man MAN 'CONDENSED IUPAC CARBOHYDRATE SYMBOL' GMML 1.0 DManpa MAN 'COMMON NAME' GMML 1.0 a-D-mannopyranose MAN 'IUPAC CARBOHYDRATE SYMBOL' PDB-CARE 1.0 a-D-Manp MAN 'SNFG CARBOHYDRATE SYMBOL' GMML 1.0 Man NAG 'CONDENSED IUPAC CARBOHYDRATE SYMBOL' GMML 1.0 DGlcpNAcb NAG 'COMMON NAME' GMML 1.0 N-acetyl-b-D-glucopyranosamine NAG 'IUPAC CARBOHYDRATE SYMBOL' PDB-CARE 1.0 b-D-GlcpNAc NAG 'SNFG CARBOHYDRATE SYMBOL' GMML 1.0 GlcNAc NDG 'CONDENSED IUPAC CARBOHYDRATE SYMBOL' GMML 1.0 DGlcpNAca NDG 'COMMON NAME' GMML 1.0 N-acetyl-a-D-glucopyranosamine NDG 'IUPAC CARBOHYDRATE SYMBOL' PDB-CARE 1.0 a-D-GlcpNAc NDG 'SNFG CARBOHYDRATE SYMBOL' GMML 1.0 GlcNAc # 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 SER 1 1 1 SER SER A . n A 1 2 ALA 2 2 2 ALA ALA A . n # loop_ _pdbx_branch_scheme.asym_id _pdbx_branch_scheme.entity_id _pdbx_branch_scheme.mon_id _pdbx_branch_scheme.num _pdbx_branch_scheme.pdb_asym_id _pdbx_branch_scheme.pdb_mon_id _pdbx_branch_scheme.pdb_seq_num _pdbx_branch_scheme.auth_asym_id _pdbx_branch_scheme.auth_mon_id _pdbx_branch_scheme.auth_seq_num _pdbx_branch_scheme.hetero B 2 MAN 1 B MAN 1 B MAN 1 n B 2 NDG 2 B NDG 2 B NDG 4 n B 2 BMA 3 B BMA 3 B BMA 9 n B 2 BMA 4 B BMA 4 B BMA 10 n B 2 BMA 5 B BMA 5 B BMA 11 n B 2 BMA 6 B BMA 6 B BMA 13 n B 2 BMA 7 B BMA 7 B BMA 15 n B 2 MAN 8 B MAN 8 B MAN 16 n B 2 MAN 9 B MAN 9 B MAN 17 n B 2 BMA 10 B BMA 10 B BMA 14 n B 2 BMA 11 B BMA 11 B BMA 12 n B 2 BMA 12 B BMA 12 B BMA 5 n B 2 BMA 13 B BMA 13 B BMA 6 n B 2 BMA 14 B BMA 14 B BMA 7 n B 2 MAN 15 B MAN 15 B MAN 8 n B 2 MAN 16 B MAN 16 B MAN 2 n B 2 NAG 17 B NAG 17 B NAG 3 n C 3 MAN 1 C MAN 1 B MAN 18 n C 3 NDG 2 C NDG 2 B NDG 20 n C 3 BMA 3 C BMA 3 B BMA 34 n C 3 NAG 4 C NAG 4 B NAG 36 n C 3 BMA 5 C BMA 5 B BMA 37 n C 3 BMA 6 C BMA 6 B BMA 35 n C 3 BMA 7 C BMA 7 B BMA 33 n C 3 BMA 8 C BMA 8 B BMA 19 n D 4 NAG 1 D NAG 1 B NAG 21 n D 4 BMA 2 D BMA 2 B BMA 22 n D 4 BMA 3 D BMA 3 B BMA 23 n D 4 BMA 4 D BMA 4 B BMA 30 n D 4 MAN 5 D MAN 5 B MAN 31 n D 4 NAG 6 D NAG 6 B NAG 32 n D 4 BMA 7 D BMA 7 B BMA 25 n D 4 BMA 8 D BMA 8 B BMA 26 n D 4 BMA 9 D BMA 9 B BMA 27 n D 4 BMA 10 D BMA 10 B BMA 24 n D 4 BMA 11 D BMA 11 B BMA 28 n D 4 BMA 12 D BMA 12 B BMA 29 n # loop_ _pdbx_unobs_or_zero_occ_atoms.id _pdbx_unobs_or_zero_occ_atoms.PDB_model_num _pdbx_unobs_or_zero_occ_atoms.polymer_flag _pdbx_unobs_or_zero_occ_atoms.occupancy_flag _pdbx_unobs_or_zero_occ_atoms.auth_asym_id _pdbx_unobs_or_zero_occ_atoms.auth_comp_id _pdbx_unobs_or_zero_occ_atoms.auth_seq_id _pdbx_unobs_or_zero_occ_atoms.PDB_ins_code _pdbx_unobs_or_zero_occ_atoms.auth_atom_id _pdbx_unobs_or_zero_occ_atoms.label_alt_id _pdbx_unobs_or_zero_occ_atoms.label_asym_id _pdbx_unobs_or_zero_occ_atoms.label_comp_id _pdbx_unobs_or_zero_occ_atoms.label_seq_id _pdbx_unobs_or_zero_occ_atoms.label_atom_id 1 1 N 1 C MAN 1 ? O1 ? C MAN 1 O1 2 1 N 1 D NAG 1 ? O1 ? D NAG 1 O1 # _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 21XK _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 21XK _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 21XK _exptl.crystals_number ? _exptl.details ? _exptl.method 'ELECTRON MICROSCOPY' _exptl.method_details ? # _struct.entry_id 21XK _struct.title 'TLP-2f, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China' _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 21XK _struct_keywords.text 'glycofibril, UNKNOWN FUNCTION' _struct_keywords.pdbx_keywords 'UNKNOWN FUNCTION' # 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 2 ? C N N 3 ? D N N 4 ? # _struct_ref.id 1 _struct_ref.db_name PDB _struct_ref.db_code 21XK _struct_ref.pdbx_db_accession 21XK _struct_ref.pdbx_db_isoform ? _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code ? _struct_ref.pdbx_align_begin 1 # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 21XK _struct_ref_seq.pdbx_strand_id A _struct_ref_seq.seq_align_beg 1 _struct_ref_seq.pdbx_seq_align_beg_ins_code ? _struct_ref_seq.seq_align_end 2 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession 21XK _struct_ref_seq.db_align_beg 1 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 2 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 1 _struct_ref_seq.pdbx_auth_seq_align_end 2 # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_and_software_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details 30-meric _pdbx_struct_assembly.oligomeric_count 30 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30 _pdbx_struct_assembly_gen.asym_id_list A,B,C,D # _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' # loop_ _pdbx_struct_oper_list.id _pdbx_struct_oper_list.type _pdbx_struct_oper_list.name _pdbx_struct_oper_list.symmetry_operation _pdbx_struct_oper_list.matrix[1][1] _pdbx_struct_oper_list.matrix[1][2] _pdbx_struct_oper_list.matrix[1][3] _pdbx_struct_oper_list.vector[1] _pdbx_struct_oper_list.matrix[2][1] _pdbx_struct_oper_list.matrix[2][2] _pdbx_struct_oper_list.matrix[2][3] _pdbx_struct_oper_list.vector[2] _pdbx_struct_oper_list.matrix[3][1] _pdbx_struct_oper_list.matrix[3][2] _pdbx_struct_oper_list.matrix[3][3] _pdbx_struct_oper_list.vector[3] 1 'identity operation' 1_555 x,y,z 1.0 -0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0 1.0 0.0 2 'point symmetry operation' ? ? -0.67043 -0.74198 0.0 429.02165 0.74198 -0.67043 0.0 165.11569 0.0 0.0 1.0 5.54000 3 'point symmetry operation' ? ? -0.10106 0.99488 0.0 18.88227 -0.99488 -0.10106 0.0 372.74144 0.0 0.0 1.0 11.08000 4 'point symmetry operation' ? ? 0.80593 -0.59201 0.0 139.79734 0.59201 0.80593 0.0 -70.76991 0.0 0.0 1.0 16.62000 5 'point symmetry operation' ? ? -0.97958 -0.20108 0.0 387.80736 0.20108 -0.97958 0.0 316.28796 0.0 0.0 1.0 22.16000 6 'point symmetry operation' ? ? 0.50754 0.86163 0.0 -65.65275 -0.86163 0.50754 0.0 240.81151 0.0 0.0 1.0 27.70000 7 'point symmetry operation' ? ? 0.29904 -0.95424 0.0 294.36069 0.95424 0.29904 0.0 -45.04351 0.0 0.0 1.0 33.24000 8 'point symmetry operation' ? ? -0.90851 0.41787 0.0 265.09561 -0.41787 -0.90851 0.0 413.72257 0.0 0.0 1.0 38.78000 9 'point symmetry operation' ? ? 0.91914 0.39394 0.0 -55.67766 -0.39394 0.91914 0.0 84.43960 0.0 0.0 1.0 44.32000 10 'point symmetry operation' ? ? -0.32392 -0.94609 0.0 403.69729 0.94609 -0.32392 0.0 67.19365 0.0 0.0 1.0 49.86000 11 'point symmetry operation' ? ? -0.48481 0.87462 0.0 108.51617 -0.87462 -0.48481 0.0 419.60091 0.0 0.0 1.0 55.40000 12 'point symmetry operation' ? ? 0.97398 -0.22665 0.0 44.93578 0.22665 0.97398 0.0 -35.67955 0.0 0.0 1.0 60.94000 13 'point symmetry operation' ? ? -0.82115 -0.57071 0.0 425.36888 0.57071 -0.82115 0.0 222.37747 0.0 0.0 1.0 66.48000 14 'point symmetry operation' ? ? 0.12706 0.99189 0.0 -21.15568 -0.99189 0.12706 0.0 331.64134 0.0 0.0 1.0 72.02000 15 'point symmetry operation' ? ? 0.65077 -0.75927 0.0 197.13512 0.75927 0.65077 0.0 -72.92250 0.0 0.0 1.0 77.56000 16 'point symmetry operation' ? ? -0.99966 0.02618 0.0 350.96375 -0.02618 -0.99966 0.0 360.27437 0.0 0.0 1.0 83.10000 17 'point symmetry operation' ? ? 0.68962 0.72417 0.0 -73.58866 -0.72417 0.68962 0.0 183.98478 0.0 0.0 1.0 88.64000 18 'point symmetry operation' ? ? 0.07498 -0.99719 0.0 341.84519 0.99719 0.07498 0.0 -12.83362 0.0 0.0 1.0 94.18000 19 'point symmetry operation' ? ? -0.79016 0.61291 0.0 209.36178 -0.61291 -0.79016 0.0 427.36056 0.0 0.0 1.0 99.72000 20 'point symmetry operation' ? ? 0.98450 0.17537 0.0 -28.43126 -0.17537 0.98450 0.0 33.94317 0.0 0.0 1.0 105.26000 21 'point symmetry operation' ? ? -0.52992 -0.84805 0.0 422.89772 0.84805 -0.52992 0.0 121.26397 0.0 0.0 1.0 110.80000 22 'point symmetry operation' ? ? -0.27396 0.96174 0.0 55.52483 -0.96174 -0.27396 0.0 397.59698 0.0 0.0 1.0 116.34000 23 'point symmetry operation' ? ? 0.89726 -0.44151 0.0 96.78897 0.44151 0.89726 0.0 -60.24583 0.0 0.0 1.0 121.88000 24 'point symmetry operation' ? ? -0.92913 -0.36975 0.0 408.83270 0.36975 -0.92913 0.0 277.32117 0.0 0.0 1.0 127.42000 25 'point symmetry operation' ? ? 0.34857 0.93728 0.0 -50.83628 -0.93728 0.34857 0.0 282.53618 0.0 0.0 1.0 132.96000 26 'point symmetry operation' ? ? 0.46175 -0.88701 0.0 253.46863 0.88701 0.46175 0.0 -62.02338 0.0 0.0 1.0 138.50000 27 'point symmetry operation' ? ? -0.96771 0.25207 0.0 305.10938 -0.25207 -0.96771 0.0 394.76541 0.0 0.0 1.0 144.04000 28 'point symmetry operation' ? ? 0.83581 0.54902 0.0 -68.43820 -0.54902 0.83581 0.0 126.83824 0.0 0.0 1.0 149.58000 29 'point symmetry operation' ? ? -0.15299 -0.98823 0.0 380.79354 0.98823 -0.15299 0.0 29.30047 0.0 0.0 1.0 155.12000 30 'point symmetry operation' ? ? -0.63068 0.77605 0.0 151.98729 -0.77605 -0.63068 0.0 428.01148 0.0 0.0 1.0 160.66000 # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order _struct_conn.pdbx_role covale1 covale one ? A SER 1 OG ? ? ? 1_555 B MAN . C1 ? ? A SER 1 B MAN 1 1_555 ? ? ? ? ? ? ? 1.450 ? O-Glycosylation covale2 covale both ? B MAN . O3 ? ? ? 1_555 B NDG . C1 ? ? B MAN 1 B NDG 2 1_555 ? ? ? ? ? ? ? 1.414 ? ? covale3 covale both ? B MAN . O2 ? ? ? 1_555 B MAN . C1 ? ? B MAN 1 B MAN 16 1_555 ? ? ? ? ? ? ? 1.405 ? ? covale4 covale both ? B NDG . O3 ? ? ? 1_555 B BMA . C1 ? ? B NDG 2 B BMA 3 1_555 ? ? ? ? ? ? ? 1.304 ? ? covale5 covale both ? B NDG . O6 ? ? ? 1_555 B BMA . C1 ? ? B NDG 2 B BMA 12 1_555 ? ? ? ? ? ? ? 1.332 ? ? covale6 covale both ? B BMA . O4 ? ? ? 1_555 B BMA . C1 ? ? B BMA 3 B BMA 4 1_555 ? ? ? ? ? ? ? 1.405 ? ? covale7 covale both ? B BMA . O6 ? ? ? 1_555 B BMA . C1 ? ? B BMA 3 B BMA 11 1_555 ? ? ? ? ? ? ? 1.382 ? ? covale8 covale both ? B BMA . O6 ? ? ? 1_555 B BMA . C1 ? ? B BMA 4 B BMA 5 1_555 ? ? ? ? ? ? ? 1.394 ? ? covale9 covale both ? B BMA . O2 ? ? ? 1_555 B BMA . C1 ? ? B BMA 5 B BMA 6 1_555 ? ? ? ? ? ? ? 1.442 ? ? covale10 covale both ? B BMA . O6 ? ? ? 1_555 B BMA . C1 ? ? B BMA 6 B BMA 7 1_555 ? ? ? ? ? ? ? 1.406 ? ? covale11 covale both ? B BMA . O4 ? ? ? 1_555 B BMA . C1 ? ? B BMA 6 B BMA 10 1_555 ? ? ? ? ? ? ? 1.506 ? ? covale12 covale both ? B BMA . O3 ? ? ? 1_555 B MAN . C1 ? ? B BMA 7 B MAN 8 1_555 ? ? ? ? ? ? ? 1.442 ? ? covale13 covale both ? B MAN . O6 ? ? ? 1_555 B MAN . C1 ? ? B MAN 8 B MAN 9 1_555 ? ? ? ? ? ? ? 1.416 ? ? covale14 covale both ? B BMA . O6 ? ? ? 1_555 B BMA . C1 ? ? B BMA 12 B BMA 13 1_555 ? ? ? ? ? ? ? 1.389 ? ? covale15 covale both ? B BMA . O3 ? ? ? 1_555 B BMA . C1 ? ? B BMA 13 B BMA 14 1_555 ? ? ? ? ? ? ? 1.452 ? ? covale16 covale both ? B BMA . O2 ? ? ? 1_555 B MAN . C1 ? ? B BMA 14 B MAN 15 1_555 ? ? ? ? ? ? ? 1.397 ? ? covale17 covale both ? B MAN . O2 ? ? ? 1_555 B NAG . C1 ? ? B MAN 16 B NAG 17 1_555 ? ? ? ? ? ? ? 1.458 ? ? covale18 covale both ? C MAN . O3 ? ? ? 1_555 C NDG . C1 ? ? C MAN 1 C NDG 2 1_555 ? ? ? ? ? ? ? 1.513 ? ? covale19 covale both ? C MAN . O4 ? ? ? 1_555 C BMA . C1 ? ? C MAN 1 C BMA 8 1_555 ? ? ? ? ? ? ? 1.395 ? ? covale20 covale both ? C NDG . O4 ? ? ? 1_555 C BMA . C1 ? ? C NDG 2 C BMA 3 1_555 ? ? ? ? ? ? ? 1.429 ? ? covale21 covale both ? C NDG . O3 ? ? ? 1_555 C BMA . C1 ? ? C NDG 2 C BMA 7 1_555 ? ? ? ? ? ? ? 1.412 ? ? covale22 covale both ? C BMA . O3 ? ? ? 1_555 C NAG . C1 ? ? C BMA 3 C NAG 4 1_555 ? ? ? ? ? ? ? 1.457 ? ? covale23 covale both ? C BMA . O2 ? ? ? 1_555 C BMA . C1 ? ? C BMA 3 C BMA 6 1_555 ? ? ? ? ? ? ? 1.432 ? ? covale24 covale both ? C NAG . O4 ? ? ? 1_555 C BMA . C1 ? ? C NAG 4 C BMA 5 1_555 ? ? ? ? ? ? ? 1.420 ? ? covale25 covale both ? D NAG . O4 ? ? ? 1_555 D BMA . C1 ? ? D NAG 1 D BMA 2 1_555 ? ? ? ? ? ? ? 1.445 ? ? covale26 covale both ? D BMA . O2 ? ? ? 1_555 D BMA . C1 ? ? D BMA 2 D BMA 3 1_555 ? ? ? ? ? ? ? 1.408 ? ? covale27 covale both ? D BMA . O4 ? ? ? 1_555 D BMA . C1 ? ? D BMA 2 D BMA 11 1_555 ? ? ? ? ? ? ? 1.403 ? ? covale28 covale both ? D BMA . O4 ? ? ? 1_555 D BMA . C1 ? ? D BMA 3 D BMA 4 1_555 ? ? ? ? ? ? ? 1.421 ? ? covale29 covale both ? D BMA . O3 ? ? ? 1_555 D BMA . C1 ? ? D BMA 3 D BMA 7 1_555 ? ? ? ? ? ? ? 1.450 ? ? covale30 covale both ? D BMA . O2 ? ? ? 1_555 D BMA . C1 ? ? D BMA 3 D BMA 9 1_555 ? ? ? ? ? ? ? 1.412 ? ? covale31 covale both ? D BMA . O6 ? ? ? 1_555 D BMA . C1 ? ? D BMA 3 D BMA 10 1_555 ? ? ? ? ? ? ? 1.419 ? ? covale32 covale both ? D BMA . O2 ? ? ? 1_555 D MAN . C1 ? ? D BMA 4 D MAN 5 1_555 ? ? ? ? ? ? ? 1.443 ? ? covale33 covale both ? D MAN . O2 ? ? ? 1_555 D NAG . C1 ? ? D MAN 5 D NAG 6 1_555 ? ? ? ? ? ? ? 1.397 ? ? covale34 covale both ? D BMA . O2 ? ? ? 1_555 D BMA . C1 ? ? D BMA 7 D BMA 8 1_555 ? ? ? ? ? ? ? 1.521 ? ? covale35 covale both ? D BMA . O6 ? ? ? 1_555 D BMA . C1 ? ? D BMA 11 D BMA 12 1_555 ? ? ? ? ? ? ? 1.432 ? ? # _struct_conn_type.id covale _struct_conn_type.criteria ? _struct_conn_type.reference ? # _pdbx_modification_feature.ordinal 1 _pdbx_modification_feature.label_comp_id MAN _pdbx_modification_feature.label_asym_id B _pdbx_modification_feature.label_seq_id . _pdbx_modification_feature.label_alt_id ? _pdbx_modification_feature.modified_residue_label_comp_id SER _pdbx_modification_feature.modified_residue_label_asym_id A _pdbx_modification_feature.modified_residue_label_seq_id 1 _pdbx_modification_feature.modified_residue_label_alt_id ? _pdbx_modification_feature.auth_comp_id MAN _pdbx_modification_feature.auth_asym_id B _pdbx_modification_feature.auth_seq_id 1 _pdbx_modification_feature.PDB_ins_code ? _pdbx_modification_feature.symmetry 1_555 _pdbx_modification_feature.modified_residue_auth_comp_id SER _pdbx_modification_feature.modified_residue_auth_asym_id A _pdbx_modification_feature.modified_residue_auth_seq_id 1 _pdbx_modification_feature.modified_residue_PDB_ins_code ? _pdbx_modification_feature.modified_residue_symmetry 1_555 _pdbx_modification_feature.comp_id_linking_atom C1 _pdbx_modification_feature.modified_residue_id_linking_atom OG _pdbx_modification_feature.modified_residue_id SER _pdbx_modification_feature.ref_pcm_id 1 _pdbx_modification_feature.ref_comp_id MAN _pdbx_modification_feature.type O-Glycosylation _pdbx_modification_feature.category Carbohydrate # _pdbx_entry_details.entry_id 21XK _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 N _pdbx_entry_details.has_protein_modification Y # loop_ _pdbx_validate_close_contact.id _pdbx_validate_close_contact.PDB_model_num _pdbx_validate_close_contact.auth_atom_id_1 _pdbx_validate_close_contact.auth_asym_id_1 _pdbx_validate_close_contact.auth_comp_id_1 _pdbx_validate_close_contact.auth_seq_id_1 _pdbx_validate_close_contact.PDB_ins_code_1 _pdbx_validate_close_contact.label_alt_id_1 _pdbx_validate_close_contact.auth_atom_id_2 _pdbx_validate_close_contact.auth_asym_id_2 _pdbx_validate_close_contact.auth_comp_id_2 _pdbx_validate_close_contact.auth_seq_id_2 _pdbx_validate_close_contact.PDB_ins_code_2 _pdbx_validate_close_contact.label_alt_id_2 _pdbx_validate_close_contact.dist 1 1 O2 B BMA 6 ? ? C1 C MAN 1 ? ? 1.59 2 1 O2 C MAN 1 ? ? C1 D NAG 1 ? ? 1.71 3 1 C2 C MAN 1 ? ? C1 D NAG 1 ? ? 1.88 4 1 C2 C MAN 1 ? ? O5 D NAG 1 ? ? 2.11 # _space_group_symop.id 1 _space_group_symop.operation_xyz x,y,z # _em_3d_fitting.id 1 _em_3d_fitting.entry_id 21XK _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 21XK _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 2.64 _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 16645 _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 # _em_entity_assembly.id 1 _em_entity_assembly.parent_id 0 _em_entity_assembly.source NATURAL _em_entity_assembly.type COMPLEX _em_entity_assembly.name 'dropping water from a Karst cave from Guilin City, Guangxi Province, China' _em_entity_assembly.details ? _em_entity_assembly.synonym ? _em_entity_assembly.oligomeric_details ? _em_entity_assembly.entity_id_list 1 # _em_imaging.entry_id 21XK _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 1200 _em_imaging.nominal_defocus_max 1600 _em_imaging.calibrated_defocus_min ? _em_imaging.calibrated_defocus_max ? _em_imaging.tilt_angle_min ? _em_imaging.tilt_angle_max ? _em_imaging.nominal_magnification ? _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 21XK _em_vitrification.id 1 _em_vitrification.specimen_id 1 _em_vitrification.cryogen_name ETHANE _em_vitrification.humidity ? _em_vitrification.temp ? _em_vitrification.chamber_temperature ? _em_vitrification.instrument ? _em_vitrification.method ? _em_vitrification.time_resolved_state ? _em_vitrification.citation_id ? _em_vitrification.details ? # _em_experiment.entry_id 21XK _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 ALA N N N N 1 ALA CA C N S 2 ALA C C N N 3 ALA O O N N 4 ALA CB C N N 5 ALA OXT O N N 6 ALA H H N N 7 ALA H2 H N N 8 ALA HA H N N 9 ALA HB1 H N N 10 ALA HB2 H N N 11 ALA HB3 H N N 12 ALA HXT H N N 13 BMA C1 C N R 14 BMA C2 C N S 15 BMA C3 C N S 16 BMA C4 C N S 17 BMA C5 C N R 18 BMA C6 C N N 19 BMA O1 O N N 20 BMA O2 O N N 21 BMA O3 O N N 22 BMA O4 O N N 23 BMA O5 O N N 24 BMA O6 O N N 25 BMA H1 H N N 26 BMA H2 H N N 27 BMA H3 H N N 28 BMA H4 H N N 29 BMA H5 H N N 30 BMA H61 H N N 31 BMA H62 H N N 32 BMA HO1 H N N 33 BMA HO2 H N N 34 BMA HO3 H N N 35 BMA HO4 H N N 36 BMA HO6 H N N 37 MAN C1 C N S 38 MAN C2 C N S 39 MAN C3 C N S 40 MAN C4 C N S 41 MAN C5 C N R 42 MAN C6 C N N 43 MAN O1 O N N 44 MAN O2 O N N 45 MAN O3 O N N 46 MAN O4 O N N 47 MAN O5 O N N 48 MAN O6 O N N 49 MAN H1 H N N 50 MAN H2 H N N 51 MAN H3 H N N 52 MAN H4 H N N 53 MAN H5 H N N 54 MAN H61 H N N 55 MAN H62 H N N 56 MAN HO1 H N N 57 MAN HO2 H N N 58 MAN HO3 H N N 59 MAN HO4 H N N 60 MAN HO6 H N N 61 NAG C1 C N R 62 NAG C2 C N R 63 NAG C3 C N R 64 NAG C4 C N S 65 NAG C5 C N R 66 NAG C6 C N N 67 NAG C7 C N N 68 NAG C8 C N N 69 NAG N2 N N N 70 NAG O1 O N N 71 NAG O3 O N N 72 NAG O4 O N N 73 NAG O5 O N N 74 NAG O6 O N N 75 NAG O7 O N N 76 NAG H1 H N N 77 NAG H2 H N N 78 NAG H3 H N N 79 NAG H4 H N N 80 NAG H5 H N N 81 NAG H61 H N N 82 NAG H62 H N N 83 NAG H81 H N N 84 NAG H82 H N N 85 NAG H83 H N N 86 NAG HN2 H N N 87 NAG HO1 H N N 88 NAG HO3 H N N 89 NAG HO4 H N N 90 NAG HO6 H N N 91 NDG C1 C N S 92 NDG C2 C N R 93 NDG C3 C N R 94 NDG C4 C N S 95 NDG C5 C N R 96 NDG C6 C N N 97 NDG C7 C N N 98 NDG C8 C N N 99 NDG O5 O N N 100 NDG O3 O N N 101 NDG O4 O N N 102 NDG O6 O N N 103 NDG O7 O N N 104 NDG N2 N N N 105 NDG O1 O N N 106 NDG H1 H N N 107 NDG H2 H N N 108 NDG H3 H N N 109 NDG H4 H N N 110 NDG H5 H N N 111 NDG H61 H N N 112 NDG H62 H N N 113 NDG H81 H N N 114 NDG H82 H N N 115 NDG H83 H N N 116 NDG HO3 H N N 117 NDG HO4 H N N 118 NDG HO6 H N N 119 NDG HN2 H N N 120 NDG HO1 H N N 121 SER N N N N 122 SER CA C N S 123 SER C C N N 124 SER O O N N 125 SER CB C N N 126 SER OG O N N 127 SER OXT O N N 128 SER H H N N 129 SER H2 H N N 130 SER HA H N N 131 SER HB2 H N N 132 SER HB3 H N N 133 SER HG H N N 134 SER HXT H N N 135 # 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 ALA N CA sing N N 1 ALA N H sing N N 2 ALA N H2 sing N N 3 ALA CA C sing N N 4 ALA CA CB sing N N 5 ALA CA HA sing N N 6 ALA C O doub N N 7 ALA C OXT sing N N 8 ALA CB HB1 sing N N 9 ALA CB HB2 sing N N 10 ALA CB HB3 sing N N 11 ALA OXT HXT sing N N 12 BMA C1 C2 sing N N 13 BMA C1 O1 sing N N 14 BMA C1 O5 sing N N 15 BMA C1 H1 sing N N 16 BMA C2 C3 sing N N 17 BMA C2 O2 sing N N 18 BMA C2 H2 sing N N 19 BMA C3 C4 sing N N 20 BMA C3 O3 sing N N 21 BMA C3 H3 sing N N 22 BMA C4 C5 sing N N 23 BMA C4 O4 sing N N 24 BMA C4 H4 sing N N 25 BMA C5 C6 sing N N 26 BMA C5 O5 sing N N 27 BMA C5 H5 sing N N 28 BMA C6 O6 sing N N 29 BMA C6 H61 sing N N 30 BMA C6 H62 sing N N 31 BMA O1 HO1 sing N N 32 BMA O2 HO2 sing N N 33 BMA O3 HO3 sing N N 34 BMA O4 HO4 sing N N 35 BMA O6 HO6 sing N N 36 MAN C1 C2 sing N N 37 MAN C1 O1 sing N N 38 MAN C1 O5 sing N N 39 MAN C1 H1 sing N N 40 MAN C2 C3 sing N N 41 MAN C2 O2 sing N N 42 MAN C2 H2 sing N N 43 MAN C3 C4 sing N N 44 MAN C3 O3 sing N N 45 MAN C3 H3 sing N N 46 MAN C4 C5 sing N N 47 MAN C4 O4 sing N N 48 MAN C4 H4 sing N N 49 MAN C5 C6 sing N N 50 MAN C5 O5 sing N N 51 MAN C5 H5 sing N N 52 MAN C6 O6 sing N N 53 MAN C6 H61 sing N N 54 MAN C6 H62 sing N N 55 MAN O1 HO1 sing N N 56 MAN O2 HO2 sing N N 57 MAN O3 HO3 sing N N 58 MAN O4 HO4 sing N N 59 MAN O6 HO6 sing N N 60 NAG C1 C2 sing N N 61 NAG C1 O1 sing N N 62 NAG C1 O5 sing N N 63 NAG C1 H1 sing N N 64 NAG C2 C3 sing N N 65 NAG C2 N2 sing N N 66 NAG C2 H2 sing N N 67 NAG C3 C4 sing N N 68 NAG C3 O3 sing N N 69 NAG C3 H3 sing N N 70 NAG C4 C5 sing N N 71 NAG C4 O4 sing N N 72 NAG C4 H4 sing N N 73 NAG C5 C6 sing N N 74 NAG C5 O5 sing N N 75 NAG C5 H5 sing N N 76 NAG C6 O6 sing N N 77 NAG C6 H61 sing N N 78 NAG C6 H62 sing N N 79 NAG C7 C8 sing N N 80 NAG C7 N2 sing N N 81 NAG C7 O7 doub N N 82 NAG C8 H81 sing N N 83 NAG C8 H82 sing N N 84 NAG C8 H83 sing N N 85 NAG N2 HN2 sing N N 86 NAG O1 HO1 sing N N 87 NAG O3 HO3 sing N N 88 NAG O4 HO4 sing N N 89 NAG O6 HO6 sing N N 90 NDG C1 C2 sing N N 91 NDG C1 O5 sing N N 92 NDG C1 O1 sing N N 93 NDG C1 H1 sing N N 94 NDG C2 C3 sing N N 95 NDG C2 N2 sing N N 96 NDG C2 H2 sing N N 97 NDG C3 C4 sing N N 98 NDG C3 O3 sing N N 99 NDG C3 H3 sing N N 100 NDG C4 C5 sing N N 101 NDG C4 O4 sing N N 102 NDG C4 H4 sing N N 103 NDG C5 C6 sing N N 104 NDG C5 O5 sing N N 105 NDG C5 H5 sing N N 106 NDG C6 O6 sing N N 107 NDG C6 H61 sing N N 108 NDG C6 H62 sing N N 109 NDG C7 C8 sing N N 110 NDG C7 O7 doub N N 111 NDG C7 N2 sing N N 112 NDG C8 H81 sing N N 113 NDG C8 H82 sing N N 114 NDG C8 H83 sing N N 115 NDG O3 HO3 sing N N 116 NDG O4 HO4 sing N N 117 NDG O6 HO6 sing N N 118 NDG N2 HN2 sing N N 119 NDG O1 HO1 sing N N 120 SER N CA sing N N 121 SER N H sing N N 122 SER N H2 sing N N 123 SER CA C sing N N 124 SER CA CB sing N N 125 SER CA HA sing N N 126 SER C O doub N N 127 SER C OXT sing N N 128 SER CB OG sing N N 129 SER CB HB2 sing N N 130 SER CB HB3 sing N N 131 SER OG HG sing N N 132 SER OXT HXT sing N N 133 # _em_admin.current_status REL _em_admin.deposition_date 2026-01-03 _em_admin.deposition_site PDBJ _em_admin.entry_id 21XK _em_admin.last_update 2026-02-18 _em_admin.map_release_date 2026-02-18 _em_admin.title 'TLP-2f, a glycofibril obtained from a Karst cave from Guilin City, Guangxi Zhuang Autonomous Region, China' # _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_molwt.entity_assembly_id 1 _em_entity_assembly_molwt.experimental_flag NO _em_entity_assembly_molwt.id 1 _em_entity_assembly_molwt.units ? _em_entity_assembly_molwt.value ? # _em_entity_assembly_naturalsource.cell ? _em_entity_assembly_naturalsource.cellular_location ? _em_entity_assembly_naturalsource.entity_assembly_id 1 _em_entity_assembly_naturalsource.id 2 _em_entity_assembly_naturalsource.ncbi_tax_id 32644 _em_entity_assembly_naturalsource.organism unidentified _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 132.05 _em_helical_entity.axial_rise_per_subunit 5.54 # _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 50 _em_image_recording.details ? _em_image_recording.detector_mode ? _em_image_recording.film_or_detector_model 'GATAN K3 BIOCONTINUUM (6k 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 ? ? cryoSPARC ? ? 'MODEL REFINEMENT' ? 2 ? ? ? PHENIX ? ? 'IMAGE ACQUISITION' ? 3 1 ? 1 ? ? ? MASKING ? 4 1 1 1 ? ? ? 'CTF CORRECTION' ? 5 1 ? ? ? ? ? 'LAYERLINE INDEXING' ? 6 1 1 1 ? ? ? 'DIFFRACTION INDEXING' ? 7 1 1 1 ? ? ? 'MODEL FITTING' ? 8 1 1 1 ? ? ? OTHER ? 9 1 1 1 ? ? ? 'INITIAL EULER ASSIGNMENT' ? 10 1 ? ? ? ? ? 'FINAL EULER ASSIGNMENT' ? 11 1 ? ? ? ? ? CLASSIFICATION ? 12 1 ? ? ? ? ? RECONSTRUCTION ? 13 1 ? ? cryoSPARC ? ? '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 'National Natural Science Foundation of China (NSFC)' _pdbx_audit_support.country China _pdbx_audit_support.grant_number '32371254, 32171190, 92478205' _pdbx_audit_support.ordinal 1 # loop_ _pdbx_entity_branch_list.entity_id _pdbx_entity_branch_list.comp_id _pdbx_entity_branch_list.num _pdbx_entity_branch_list.hetero 2 MAN 1 n 2 NDG 2 n 2 BMA 3 n 2 BMA 4 n 2 BMA 5 n 2 BMA 6 n 2 BMA 7 n 2 MAN 8 n 2 MAN 9 n 2 BMA 10 n 2 BMA 11 n 2 BMA 12 n 2 BMA 13 n 2 BMA 14 n 2 MAN 15 n 2 MAN 16 n 2 NAG 17 n 3 MAN 1 n 3 NDG 2 n 3 BMA 3 n 3 NAG 4 n 3 BMA 5 n 3 BMA 6 n 3 BMA 7 n 3 BMA 8 n 4 NAG 1 n 4 BMA 2 n 4 BMA 3 n 4 BMA 4 n 4 MAN 5 n 4 NAG 6 n 4 BMA 7 n 4 BMA 8 n 4 BMA 9 n 4 BMA 10 n 4 BMA 11 n 4 BMA 12 n # _space_group.crystal_system triclinic _space_group.IT_number 1 _space_group.name_H-M_alt 'P 1' _space_group.name_Hall 'P 1' _space_group.id 1 # _atom_sites.entry_id 21XK _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_ #