data_1HP9
# 
_entry.id   1HP9 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.397 
_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   1HP9         pdb_00001hp9 10.2210/pdb1hp9/pdb 
RCSB  RCSB012499   ?            ?                   
WWPDB D_1000012499 ?            ?                   
# 
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 
1 'Structure model' 1 0 2002-08-28 
2 'Structure model' 1 1 2008-04-27 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-02-23 
5 'Structure model' 1 4 2024-10-23 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_pdbx_audit_revision_details.details             ? 
# 
loop_
_pdbx_audit_revision_group.ordinal 
_pdbx_audit_revision_group.revision_ordinal 
_pdbx_audit_revision_group.data_content_type 
_pdbx_audit_revision_group.group 
1 2 'Structure model' 'Version format compliance' 
2 3 'Structure model' 'Version format compliance' 
3 4 'Structure model' 'Database references'       
4 4 'Structure model' 'Derived calculations'      
5 5 'Structure model' 'Data collection'           
6 5 'Structure model' 'Structure summary'         
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 4 'Structure model' database_2                
2 4 'Structure model' pdbx_struct_assembly      
3 4 'Structure model' pdbx_struct_oper_list     
4 5 'Structure model' chem_comp_atom            
5 5 'Structure model' chem_comp_bond            
6 5 'Structure model' pdbx_entry_details        
7 5 'Structure model' pdbx_modification_feature 
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
# 
_database_PDB_caveat.id     1 
_database_PDB_caveat.text   'Chirality error at the CD center of ARG A 21.' 
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1HP9 
_pdbx_database_status.recvd_initial_deposition_date   2000-12-12 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    PDBJ 
_pdbx_database_status.status_code_mr                  REL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Srinivasan, K.N.'      1  
'Sivaraja, V.'          2  
'Huys, I.'              3  
'Sasaki, T.'            4  
'Cheng, B.'             5  
'Kumar, T.K.S.'         6  
'Sato, K.'              7  
'Tytgat, J.'            8  
'Yu, C.'                9  
'Brian Chia, C.S.'      10 
'Ranganathan, S.'       11 
'Bowie, J.H.'           12 
'Kini, R.M.'            13 
'Gopalakrishnakone, P.' 14 
# 
_citation.id                        primary 
_citation.title                     
;kappa-Hefutoxin1, a novel toxin from the scorpion Heterometrus fulvipes with unique structure and function. Importance of the functional diad in potassium channel selectivity.
;
_citation.journal_abbrev            J.Biol.Chem. 
_citation.journal_volume            277 
_citation.page_first                30040 
_citation.page_last                 30047 
_citation.year                      2002 
_citation.journal_id_ASTM           JBCHA3 
_citation.country                   US 
_citation.journal_id_ISSN           0021-9258 
_citation.journal_id_CSD            0071 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   12034709 
_citation.pdbx_database_id_DOI      10.1074/jbc.M111258200 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Srinivasan, K.N.'      1  ? 
primary 'Sivaraja, V.'          2  ? 
primary 'Huys, I.'              3  ? 
primary 'Sasaki, T.'            4  ? 
primary 'Cheng, B.'             5  ? 
primary 'Kumar, T.K.'           6  ? 
primary 'Sato, K.'              7  ? 
primary 'Tytgat, J.'            8  ? 
primary 'Yu, C.'                9  ? 
primary 'San, B.C.'             10 ? 
primary 'Ranganathan, S.'       11 ? 
primary 'Bowie, H.J.'           12 ? 
primary 'Kini, R.M.'            13 ? 
primary 'Gopalakrishnakone, P.' 14 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 syn 
_entity.pdbx_description           'kappa-hefutoxin 1' 
_entity.formula_weight             2664.912 
_entity.pdbx_number_of_molecules   1 
_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       GHACYRNCWREGNDEETCKERC 
_entity_poly.pdbx_seq_one_letter_code_can   GHACYRNCWREGNDEETCKERC 
_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  GLY n 
1 2  HIS n 
1 3  ALA n 
1 4  CYS n 
1 5  TYR n 
1 6  ARG n 
1 7  ASN n 
1 8  CYS n 
1 9  TRP n 
1 10 ARG n 
1 11 GLU n 
1 12 GLY n 
1 13 ASN n 
1 14 ASP n 
1 15 GLU n 
1 16 GLU n 
1 17 THR n 
1 18 CYS n 
1 19 LYS n 
1 20 GLU n 
1 21 ARG n 
1 22 CYS n 
# 
_pdbx_entity_src_syn.entity_id              1 
_pdbx_entity_src_syn.pdbx_src_id            1 
_pdbx_entity_src_syn.pdbx_alt_source_flag   sample 
_pdbx_entity_src_syn.pdbx_beg_seq_num       ? 
_pdbx_entity_src_syn.pdbx_end_seq_num       ? 
_pdbx_entity_src_syn.organism_scientific    ? 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       ? 
_pdbx_entity_src_syn.details                'This sequence occurs naturally in the scorpion, Heterometrus fulvipes' 
# 
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  
ARG 'L-peptide linking' y ARGININE        ? 'C6 H15 N4 O2 1' 175.209 
ASN 'L-peptide linking' y ASPARAGINE      ? 'C4 H8 N2 O3'    132.118 
ASP 'L-peptide linking' y 'ASPARTIC ACID' ? 'C4 H7 N O4'     133.103 
CYS 'L-peptide linking' y CYSTEINE        ? 'C3 H7 N O2 S'   121.158 
GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4'     147.129 
GLY 'peptide linking'   y GLYCINE         ? 'C2 H5 N O2'     75.067  
HIS 'L-peptide linking' y HISTIDINE       ? 'C6 H10 N3 O2 1' 156.162 
LYS 'L-peptide linking' y LYSINE          ? 'C6 H15 N2 O2 1' 147.195 
THR 'L-peptide linking' y THREONINE       ? 'C4 H9 N O3'     119.119 
TRP 'L-peptide linking' y TRYPTOPHAN      ? 'C11 H12 N2 O2'  204.225 
TYR 'L-peptide linking' y TYROSINE        ? 'C9 H11 N O3'    181.189 
# 
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  GLY 1  1  1  GLY GLY A . n 
A 1 2  HIS 2  2  2  HIS HIS A . n 
A 1 3  ALA 3  3  3  ALA ALA A . n 
A 1 4  CYS 4  4  4  CYS CYS A . n 
A 1 5  TYR 5  5  5  TYR TYR A . n 
A 1 6  ARG 6  6  6  ARG ARG A . n 
A 1 7  ASN 7  7  7  ASN ASN A . n 
A 1 8  CYS 8  8  8  CYS CYS A . n 
A 1 9  TRP 9  9  9  TRP TRP A . n 
A 1 10 ARG 10 10 10 ARG ARG A . n 
A 1 11 GLU 11 11 11 GLU GLU A . n 
A 1 12 GLY 12 12 12 GLY GLY A . n 
A 1 13 ASN 13 13 13 ASN ASN A . n 
A 1 14 ASP 14 14 14 ASP ASP A . n 
A 1 15 GLU 15 15 15 GLU GLU A . n 
A 1 16 GLU 16 16 16 GLU GLU A . n 
A 1 17 THR 17 17 17 THR THR A . n 
A 1 18 CYS 18 18 18 CYS CYS A . n 
A 1 19 LYS 19 19 19 LYS LYS A . n 
A 1 20 GLU 20 20 20 GLU GLU A . n 
A 1 21 ARG 21 21 21 ARG ARG A . n 
A 1 22 CYS 22 22 22 CYS CYS A . n 
# 
_exptl.entry_id          1HP9 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      ? 
_exptl_crystal.density_percent_sol   ? 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             ? 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_database_PDB_matrix.entry_id          1HP9 
_database_PDB_matrix.origx[1][1]       1.000000 
_database_PDB_matrix.origx[1][2]       0.000000 
_database_PDB_matrix.origx[1][3]       0.000000 
_database_PDB_matrix.origx[2][1]       0.000000 
_database_PDB_matrix.origx[2][2]       1.000000 
_database_PDB_matrix.origx[2][3]       0.000000 
_database_PDB_matrix.origx[3][1]       0.000000 
_database_PDB_matrix.origx[3][2]       0.000000 
_database_PDB_matrix.origx[3][3]       1.000000 
_database_PDB_matrix.origx_vector[1]   0.00000 
_database_PDB_matrix.origx_vector[2]   0.00000 
_database_PDB_matrix.origx_vector[3]   0.00000 
# 
_struct.entry_id                  1HP9 
_struct.title                     'kappa-Hefutoxins: a novel Class of Potassium Channel Toxins from Scorpion venom' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   'minimized average' 
# 
_struct_keywords.entry_id        1HP9 
_struct_keywords.pdbx_keywords   TOXIN 
_struct_keywords.text            'SCORPION TOXIN, GATING MODIFIER, VOLTAGE-GATED POTASSIUM CHANNEL, TOXIN' 
# 
_struct_asym.id                            A 
_struct_asym.pdbx_blank_PDB_chainid_flag   N 
_struct_asym.pdbx_modified                 N 
_struct_asym.entity_id                     1 
_struct_asym.details                       ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    TX1_HETFU 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           1 
_struct_ref.pdbx_db_accession          P82850 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1HP9 
_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                 22 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P82850 
_struct_ref_seq.db_align_beg                  1 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  22 
_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       22 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   monomeric 
_pdbx_struct_assembly.oligomeric_count     1 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A 
# 
_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   x,y,z 
_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 
# 
_struct_biol.id   1 
# 
loop_
_struct_conf.conf_type_id 
_struct_conf.id 
_struct_conf.pdbx_PDB_helix_id 
_struct_conf.beg_label_comp_id 
_struct_conf.beg_label_asym_id 
_struct_conf.beg_label_seq_id 
_struct_conf.pdbx_beg_PDB_ins_code 
_struct_conf.end_label_comp_id 
_struct_conf.end_label_asym_id 
_struct_conf.end_label_seq_id 
_struct_conf.pdbx_end_PDB_ins_code 
_struct_conf.beg_auth_comp_id 
_struct_conf.beg_auth_asym_id 
_struct_conf.beg_auth_seq_id 
_struct_conf.end_auth_comp_id 
_struct_conf.end_auth_asym_id 
_struct_conf.end_auth_seq_id 
_struct_conf.pdbx_PDB_helix_class 
_struct_conf.details 
_struct_conf.pdbx_PDB_helix_length 
HELX_P HELX_P1 1 ARG A 6  ? ASN A 13 ? ARG A 6  ASN A 13 1 ? 8 
HELX_P HELX_P2 2 GLU A 16 ? CYS A 22 ? GLU A 16 CYS A 22 1 ? 7 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
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 
disulf1 disulf ? ? A CYS 4 SG ? ? ? 1_555 A CYS 22 SG ? ? A CYS 4 A CYS 22 1_555 ? ? ? ? ? ? ? 1.997 ? ? 
disulf2 disulf ? ? A CYS 8 SG ? ? ? 1_555 A CYS 18 SG ? ? A CYS 8 A CYS 18 1_555 ? ? ? ? ? ? ? 2.037 ? ? 
# 
_struct_conn_type.id          disulf 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_pdbx_modification_feature.ordinal 
_pdbx_modification_feature.label_comp_id 
_pdbx_modification_feature.label_asym_id 
_pdbx_modification_feature.label_seq_id 
_pdbx_modification_feature.label_alt_id 
_pdbx_modification_feature.modified_residue_label_comp_id 
_pdbx_modification_feature.modified_residue_label_asym_id 
_pdbx_modification_feature.modified_residue_label_seq_id 
_pdbx_modification_feature.modified_residue_label_alt_id 
_pdbx_modification_feature.auth_comp_id 
_pdbx_modification_feature.auth_asym_id 
_pdbx_modification_feature.auth_seq_id 
_pdbx_modification_feature.PDB_ins_code 
_pdbx_modification_feature.symmetry 
_pdbx_modification_feature.modified_residue_auth_comp_id 
_pdbx_modification_feature.modified_residue_auth_asym_id 
_pdbx_modification_feature.modified_residue_auth_seq_id 
_pdbx_modification_feature.modified_residue_PDB_ins_code 
_pdbx_modification_feature.modified_residue_symmetry 
_pdbx_modification_feature.comp_id_linking_atom 
_pdbx_modification_feature.modified_residue_id_linking_atom 
_pdbx_modification_feature.modified_residue_id 
_pdbx_modification_feature.ref_pcm_id 
_pdbx_modification_feature.ref_comp_id 
_pdbx_modification_feature.type 
_pdbx_modification_feature.category 
1 CYS A 4 ? CYS A 22 ? CYS A 4 ? 1_555 CYS A 22 ? 1_555 SG SG . . . None 'Disulfide bridge' 
2 CYS A 8 ? CYS A 18 ? CYS A 8 ? 1_555 CYS A 18 ? 1_555 SG SG . . . None 'Disulfide bridge' 
# 
_pdbx_entry_details.entry_id                   1HP9 
_pdbx_entry_details.compound_details           ? 
_pdbx_entry_details.source_details             ? 
_pdbx_entry_details.nonpolymer_details         ? 
_pdbx_entry_details.sequence_details           ? 
_pdbx_entry_details.has_ligand_of_interest     ? 
_pdbx_entry_details.has_protein_modification   Y 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1 1 CA A HIS 2  ? ? CB A HIS 2  ? ? CG  A HIS 2  ? ? 100.29 113.60 -13.31 1.70 N 
2 1 CG A ARG 10 ? ? CD A ARG 10 ? ? NE  A ARG 10 ? ? 98.07  111.80 -13.73 2.10 N 
3 1 NE A ARG 10 ? ? CZ A ARG 10 ? ? NH2 A ARG 10 ? ? 114.87 120.30 -5.43  0.50 N 
4 1 CG A ARG 21 ? ? CD A ARG 21 ? ? NE  A ARG 21 ? ? 133.05 111.80 21.25  2.10 N 
5 1 CD A ARG 21 ? ? NE A ARG 21 ? ? CZ  A ARG 21 ? ? 114.25 123.60 -9.35  1.40 N 
6 1 NE A ARG 21 ? ? CZ A ARG 21 ? ? NH1 A ARG 21 ? ? 112.21 120.30 -8.09  0.50 N 
# 
loop_
_pdbx_validate_torsion.id 
_pdbx_validate_torsion.PDB_model_num 
_pdbx_validate_torsion.auth_comp_id 
_pdbx_validate_torsion.auth_asym_id 
_pdbx_validate_torsion.auth_seq_id 
_pdbx_validate_torsion.PDB_ins_code 
_pdbx_validate_torsion.label_alt_id 
_pdbx_validate_torsion.phi 
_pdbx_validate_torsion.psi 
1 1 HIS A 2  ? ? 73.34  89.03  
2 1 ARG A 6  ? ? -94.84 -98.67 
3 1 GLU A 11 ? ? -70.05 -71.49 
4 1 ARG A 21 ? ? -90.38 -75.23 
# 
_pdbx_validate_peptide_omega.id               1 
_pdbx_validate_peptide_omega.PDB_model_num    1 
_pdbx_validate_peptide_omega.auth_comp_id_1   GLY 
_pdbx_validate_peptide_omega.auth_asym_id_1   A 
_pdbx_validate_peptide_omega.auth_seq_id_1    1 
_pdbx_validate_peptide_omega.PDB_ins_code_1   ? 
_pdbx_validate_peptide_omega.label_alt_id_1   ? 
_pdbx_validate_peptide_omega.auth_comp_id_2   HIS 
_pdbx_validate_peptide_omega.auth_asym_id_2   A 
_pdbx_validate_peptide_omega.auth_seq_id_2    2 
_pdbx_validate_peptide_omega.PDB_ins_code_2   ? 
_pdbx_validate_peptide_omega.label_alt_id_2   ? 
_pdbx_validate_peptide_omega.omega            125.44 
# 
_pdbx_validate_planes.id              1 
_pdbx_validate_planes.PDB_model_num   1 
_pdbx_validate_planes.auth_comp_id    ARG 
_pdbx_validate_planes.auth_asym_id    A 
_pdbx_validate_planes.auth_seq_id     21 
_pdbx_validate_planes.PDB_ins_code    ? 
_pdbx_validate_planes.label_alt_id    ? 
_pdbx_validate_planes.rmsd            0.338 
_pdbx_validate_planes.type            'SIDE CHAIN' 
# 
_pdbx_nmr_ensemble.entry_id                                      1HP9 
_pdbx_nmr_ensemble.conformers_calculated_total_number            20 
_pdbx_nmr_ensemble.conformers_submitted_total_number             1 
_pdbx_nmr_ensemble.conformer_selection_criteria                  ? 
_pdbx_nmr_ensemble.average_constraints_per_residue               ? 
_pdbx_nmr_ensemble.average_constraint_violations_per_residue     ? 
_pdbx_nmr_ensemble.maximum_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.average_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.distance_constraint_violation_method          ? 
_pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.average_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.torsion_angle_constraint_violation_method     ? 
# 
_pdbx_nmr_representative.entry_id             1HP9 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   'minimized average structure' 
# 
_pdbx_nmr_sample_details.solution_id      1 
_pdbx_nmr_sample_details.contents         
'18.59mg of HEFUTOXIN1 was dissolved in 0.70ml of water / D2O (9:1 by volume) containing 50mM of phosphate buffer' 
_pdbx_nmr_sample_details.solvent_system   '90% H2O/10% D2O' 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         310 
_pdbx_nmr_exptl_sample_conditions.pressure            ambient 
_pdbx_nmr_exptl_sample_conditions.pH                  3.5 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      10 
_pdbx_nmr_exptl_sample_conditions.pressure_units      ? 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
_pdbx_nmr_exptl.experiment_id   1 
_pdbx_nmr_exptl.solution_id     1 
_pdbx_nmr_exptl.conditions_id   1 
_pdbx_nmr_exptl.type            DQF-COSY 
# 
_pdbx_nmr_details.entry_id   1HP9 
_pdbx_nmr_details.text       'this structure was determined by 2D NMR' 
# 
_pdbx_nmr_refine.entry_id           1HP9 
_pdbx_nmr_refine.method             'molecular dynamics/simulated annealing' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
_pdbx_nmr_software.name             VNMR 
_pdbx_nmr_software.version          5.3 
_pdbx_nmr_software.classification   processing 
_pdbx_nmr_software.authors          ? 
_pdbx_nmr_software.ordinal          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  
ARG N    N N N 14  
ARG CA   C N S 15  
ARG C    C N N 16  
ARG O    O N N 17  
ARG CB   C N N 18  
ARG CG   C N N 19  
ARG CD   C N N 20  
ARG NE   N N N 21  
ARG CZ   C N N 22  
ARG NH1  N N N 23  
ARG NH2  N N N 24  
ARG OXT  O N N 25  
ARG H    H N N 26  
ARG H2   H N N 27  
ARG HA   H N N 28  
ARG HB2  H N N 29  
ARG HB3  H N N 30  
ARG HG2  H N N 31  
ARG HG3  H N N 32  
ARG HD2  H N N 33  
ARG HD3  H N N 34  
ARG HE   H N N 35  
ARG HH11 H N N 36  
ARG HH12 H N N 37  
ARG HH21 H N N 38  
ARG HH22 H N N 39  
ARG HXT  H N N 40  
ASN N    N N N 41  
ASN CA   C N S 42  
ASN C    C N N 43  
ASN O    O N N 44  
ASN CB   C N N 45  
ASN CG   C N N 46  
ASN OD1  O N N 47  
ASN ND2  N N N 48  
ASN OXT  O N N 49  
ASN H    H N N 50  
ASN H2   H N N 51  
ASN HA   H N N 52  
ASN HB2  H N N 53  
ASN HB3  H N N 54  
ASN HD21 H N N 55  
ASN HD22 H N N 56  
ASN HXT  H N N 57  
ASP N    N N N 58  
ASP CA   C N S 59  
ASP C    C N N 60  
ASP O    O N N 61  
ASP CB   C N N 62  
ASP CG   C N N 63  
ASP OD1  O N N 64  
ASP OD2  O N N 65  
ASP OXT  O N N 66  
ASP H    H N N 67  
ASP H2   H N N 68  
ASP HA   H N N 69  
ASP HB2  H N N 70  
ASP HB3  H N N 71  
ASP HD2  H N N 72  
ASP HXT  H N N 73  
CYS N    N N N 74  
CYS CA   C N R 75  
CYS C    C N N 76  
CYS O    O N N 77  
CYS CB   C N N 78  
CYS SG   S N N 79  
CYS OXT  O N N 80  
CYS H    H N N 81  
CYS H2   H N N 82  
CYS HA   H N N 83  
CYS HB2  H N N 84  
CYS HB3  H N N 85  
CYS HG   H N N 86  
CYS HXT  H N N 87  
GLU N    N N N 88  
GLU CA   C N S 89  
GLU C    C N N 90  
GLU O    O N N 91  
GLU CB   C N N 92  
GLU CG   C N N 93  
GLU CD   C N N 94  
GLU OE1  O N N 95  
GLU OE2  O N N 96  
GLU OXT  O N N 97  
GLU H    H N N 98  
GLU H2   H N N 99  
GLU HA   H N N 100 
GLU HB2  H N N 101 
GLU HB3  H N N 102 
GLU HG2  H N N 103 
GLU HG3  H N N 104 
GLU HE2  H N N 105 
GLU HXT  H N N 106 
GLY N    N N N 107 
GLY CA   C N N 108 
GLY C    C N N 109 
GLY O    O N N 110 
GLY OXT  O N N 111 
GLY H    H N N 112 
GLY H2   H N N 113 
GLY HA2  H N N 114 
GLY HA3  H N N 115 
GLY HXT  H N N 116 
HIS N    N N N 117 
HIS CA   C N S 118 
HIS C    C N N 119 
HIS O    O N N 120 
HIS CB   C N N 121 
HIS CG   C Y N 122 
HIS ND1  N Y N 123 
HIS CD2  C Y N 124 
HIS CE1  C Y N 125 
HIS NE2  N Y N 126 
HIS OXT  O N N 127 
HIS H    H N N 128 
HIS H2   H N N 129 
HIS HA   H N N 130 
HIS HB2  H N N 131 
HIS HB3  H N N 132 
HIS HD1  H N N 133 
HIS HD2  H N N 134 
HIS HE1  H N N 135 
HIS HE2  H N N 136 
HIS HXT  H N N 137 
LYS N    N N N 138 
LYS CA   C N S 139 
LYS C    C N N 140 
LYS O    O N N 141 
LYS CB   C N N 142 
LYS CG   C N N 143 
LYS CD   C N N 144 
LYS CE   C N N 145 
LYS NZ   N N N 146 
LYS OXT  O N N 147 
LYS H    H N N 148 
LYS H2   H N N 149 
LYS HA   H N N 150 
LYS HB2  H N N 151 
LYS HB3  H N N 152 
LYS HG2  H N N 153 
LYS HG3  H N N 154 
LYS HD2  H N N 155 
LYS HD3  H N N 156 
LYS HE2  H N N 157 
LYS HE3  H N N 158 
LYS HZ1  H N N 159 
LYS HZ2  H N N 160 
LYS HZ3  H N N 161 
LYS HXT  H N N 162 
THR N    N N N 163 
THR CA   C N S 164 
THR C    C N N 165 
THR O    O N N 166 
THR CB   C N R 167 
THR OG1  O N N 168 
THR CG2  C N N 169 
THR OXT  O N N 170 
THR H    H N N 171 
THR H2   H N N 172 
THR HA   H N N 173 
THR HB   H N N 174 
THR HG1  H N N 175 
THR HG21 H N N 176 
THR HG22 H N N 177 
THR HG23 H N N 178 
THR HXT  H N N 179 
TRP N    N N N 180 
TRP CA   C N S 181 
TRP C    C N N 182 
TRP O    O N N 183 
TRP CB   C N N 184 
TRP CG   C Y N 185 
TRP CD1  C Y N 186 
TRP CD2  C Y N 187 
TRP NE1  N Y N 188 
TRP CE2  C Y N 189 
TRP CE3  C Y N 190 
TRP CZ2  C Y N 191 
TRP CZ3  C Y N 192 
TRP CH2  C Y N 193 
TRP OXT  O N N 194 
TRP H    H N N 195 
TRP H2   H N N 196 
TRP HA   H N N 197 
TRP HB2  H N N 198 
TRP HB3  H N N 199 
TRP HD1  H N N 200 
TRP HE1  H N N 201 
TRP HE3  H N N 202 
TRP HZ2  H N N 203 
TRP HZ3  H N N 204 
TRP HH2  H N N 205 
TRP HXT  H N N 206 
TYR N    N N N 207 
TYR CA   C N S 208 
TYR C    C N N 209 
TYR O    O N N 210 
TYR CB   C N N 211 
TYR CG   C Y N 212 
TYR CD1  C Y N 213 
TYR CD2  C Y N 214 
TYR CE1  C Y N 215 
TYR CE2  C Y N 216 
TYR CZ   C Y N 217 
TYR OH   O N N 218 
TYR OXT  O N N 219 
TYR H    H N N 220 
TYR H2   H N N 221 
TYR HA   H N N 222 
TYR HB2  H N N 223 
TYR HB3  H N N 224 
TYR HD1  H N N 225 
TYR HD2  H N N 226 
TYR HE1  H N N 227 
TYR HE2  H N N 228 
TYR HH   H N N 229 
TYR HXT  H N N 230 
# 
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  
ARG N   CA   sing N N 13  
ARG N   H    sing N N 14  
ARG N   H2   sing N N 15  
ARG CA  C    sing N N 16  
ARG CA  CB   sing N N 17  
ARG CA  HA   sing N N 18  
ARG C   O    doub N N 19  
ARG C   OXT  sing N N 20  
ARG CB  CG   sing N N 21  
ARG CB  HB2  sing N N 22  
ARG CB  HB3  sing N N 23  
ARG CG  CD   sing N N 24  
ARG CG  HG2  sing N N 25  
ARG CG  HG3  sing N N 26  
ARG CD  NE   sing N N 27  
ARG CD  HD2  sing N N 28  
ARG CD  HD3  sing N N 29  
ARG NE  CZ   sing N N 30  
ARG NE  HE   sing N N 31  
ARG CZ  NH1  sing N N 32  
ARG CZ  NH2  doub N N 33  
ARG NH1 HH11 sing N N 34  
ARG NH1 HH12 sing N N 35  
ARG NH2 HH21 sing N N 36  
ARG NH2 HH22 sing N N 37  
ARG OXT HXT  sing N N 38  
ASN N   CA   sing N N 39  
ASN N   H    sing N N 40  
ASN N   H2   sing N N 41  
ASN CA  C    sing N N 42  
ASN CA  CB   sing N N 43  
ASN CA  HA   sing N N 44  
ASN C   O    doub N N 45  
ASN C   OXT  sing N N 46  
ASN CB  CG   sing N N 47  
ASN CB  HB2  sing N N 48  
ASN CB  HB3  sing N N 49  
ASN CG  OD1  doub N N 50  
ASN CG  ND2  sing N N 51  
ASN ND2 HD21 sing N N 52  
ASN ND2 HD22 sing N N 53  
ASN OXT HXT  sing N N 54  
ASP N   CA   sing N N 55  
ASP N   H    sing N N 56  
ASP N   H2   sing N N 57  
ASP CA  C    sing N N 58  
ASP CA  CB   sing N N 59  
ASP CA  HA   sing N N 60  
ASP C   O    doub N N 61  
ASP C   OXT  sing N N 62  
ASP CB  CG   sing N N 63  
ASP CB  HB2  sing N N 64  
ASP CB  HB3  sing N N 65  
ASP CG  OD1  doub N N 66  
ASP CG  OD2  sing N N 67  
ASP OD2 HD2  sing N N 68  
ASP OXT HXT  sing N N 69  
CYS N   CA   sing N N 70  
CYS N   H    sing N N 71  
CYS N   H2   sing N N 72  
CYS CA  C    sing N N 73  
CYS CA  CB   sing N N 74  
CYS CA  HA   sing N N 75  
CYS C   O    doub N N 76  
CYS C   OXT  sing N N 77  
CYS CB  SG   sing N N 78  
CYS CB  HB2  sing N N 79  
CYS CB  HB3  sing N N 80  
CYS SG  HG   sing N N 81  
CYS OXT HXT  sing N N 82  
GLU N   CA   sing N N 83  
GLU N   H    sing N N 84  
GLU N   H2   sing N N 85  
GLU CA  C    sing N N 86  
GLU CA  CB   sing N N 87  
GLU CA  HA   sing N N 88  
GLU C   O    doub N N 89  
GLU C   OXT  sing N N 90  
GLU CB  CG   sing N N 91  
GLU CB  HB2  sing N N 92  
GLU CB  HB3  sing N N 93  
GLU CG  CD   sing N N 94  
GLU CG  HG2  sing N N 95  
GLU CG  HG3  sing N N 96  
GLU CD  OE1  doub N N 97  
GLU CD  OE2  sing N N 98  
GLU OE2 HE2  sing N N 99  
GLU OXT HXT  sing N N 100 
GLY N   CA   sing N N 101 
GLY N   H    sing N N 102 
GLY N   H2   sing N N 103 
GLY CA  C    sing N N 104 
GLY CA  HA2  sing N N 105 
GLY CA  HA3  sing N N 106 
GLY C   O    doub N N 107 
GLY C   OXT  sing N N 108 
GLY OXT HXT  sing N N 109 
HIS N   CA   sing N N 110 
HIS N   H    sing N N 111 
HIS N   H2   sing N N 112 
HIS CA  C    sing N N 113 
HIS CA  CB   sing N N 114 
HIS CA  HA   sing N N 115 
HIS C   O    doub N N 116 
HIS C   OXT  sing N N 117 
HIS CB  CG   sing N N 118 
HIS CB  HB2  sing N N 119 
HIS CB  HB3  sing N N 120 
HIS CG  ND1  sing Y N 121 
HIS CG  CD2  doub Y N 122 
HIS ND1 CE1  doub Y N 123 
HIS ND1 HD1  sing N N 124 
HIS CD2 NE2  sing Y N 125 
HIS CD2 HD2  sing N N 126 
HIS CE1 NE2  sing Y N 127 
HIS CE1 HE1  sing N N 128 
HIS NE2 HE2  sing N N 129 
HIS OXT HXT  sing N N 130 
LYS N   CA   sing N N 131 
LYS N   H    sing N N 132 
LYS N   H2   sing N N 133 
LYS CA  C    sing N N 134 
LYS CA  CB   sing N N 135 
LYS CA  HA   sing N N 136 
LYS C   O    doub N N 137 
LYS C   OXT  sing N N 138 
LYS CB  CG   sing N N 139 
LYS CB  HB2  sing N N 140 
LYS CB  HB3  sing N N 141 
LYS CG  CD   sing N N 142 
LYS CG  HG2  sing N N 143 
LYS CG  HG3  sing N N 144 
LYS CD  CE   sing N N 145 
LYS CD  HD2  sing N N 146 
LYS CD  HD3  sing N N 147 
LYS CE  NZ   sing N N 148 
LYS CE  HE2  sing N N 149 
LYS CE  HE3  sing N N 150 
LYS NZ  HZ1  sing N N 151 
LYS NZ  HZ2  sing N N 152 
LYS NZ  HZ3  sing N N 153 
LYS OXT HXT  sing N N 154 
THR N   CA   sing N N 155 
THR N   H    sing N N 156 
THR N   H2   sing N N 157 
THR CA  C    sing N N 158 
THR CA  CB   sing N N 159 
THR CA  HA   sing N N 160 
THR C   O    doub N N 161 
THR C   OXT  sing N N 162 
THR CB  OG1  sing N N 163 
THR CB  CG2  sing N N 164 
THR CB  HB   sing N N 165 
THR OG1 HG1  sing N N 166 
THR CG2 HG21 sing N N 167 
THR CG2 HG22 sing N N 168 
THR CG2 HG23 sing N N 169 
THR OXT HXT  sing N N 170 
TRP N   CA   sing N N 171 
TRP N   H    sing N N 172 
TRP N   H2   sing N N 173 
TRP CA  C    sing N N 174 
TRP CA  CB   sing N N 175 
TRP CA  HA   sing N N 176 
TRP C   O    doub N N 177 
TRP C   OXT  sing N N 178 
TRP CB  CG   sing N N 179 
TRP CB  HB2  sing N N 180 
TRP CB  HB3  sing N N 181 
TRP CG  CD1  doub Y N 182 
TRP CG  CD2  sing Y N 183 
TRP CD1 NE1  sing Y N 184 
TRP CD1 HD1  sing N N 185 
TRP CD2 CE2  doub Y N 186 
TRP CD2 CE3  sing Y N 187 
TRP NE1 CE2  sing Y N 188 
TRP NE1 HE1  sing N N 189 
TRP CE2 CZ2  sing Y N 190 
TRP CE3 CZ3  doub Y N 191 
TRP CE3 HE3  sing N N 192 
TRP CZ2 CH2  doub Y N 193 
TRP CZ2 HZ2  sing N N 194 
TRP CZ3 CH2  sing Y N 195 
TRP CZ3 HZ3  sing N N 196 
TRP CH2 HH2  sing N N 197 
TRP OXT HXT  sing N N 198 
TYR N   CA   sing N N 199 
TYR N   H    sing N N 200 
TYR N   H2   sing N N 201 
TYR CA  C    sing N N 202 
TYR CA  CB   sing N N 203 
TYR CA  HA   sing N N 204 
TYR C   O    doub N N 205 
TYR C   OXT  sing N N 206 
TYR CB  CG   sing N N 207 
TYR CB  HB2  sing N N 208 
TYR CB  HB3  sing N N 209 
TYR CG  CD1  doub Y N 210 
TYR CG  CD2  sing Y N 211 
TYR CD1 CE1  sing Y N 212 
TYR CD1 HD1  sing N N 213 
TYR CD2 CE2  doub Y N 214 
TYR CD2 HD2  sing N N 215 
TYR CE1 CZ   doub Y N 216 
TYR CE1 HE1  sing N N 217 
TYR CE2 CZ   sing Y N 218 
TYR CE2 HE2  sing N N 219 
TYR CZ  OH   sing N N 220 
TYR OH  HH   sing N N 221 
TYR OXT HXT  sing N N 222 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.type              ? 
_pdbx_nmr_spectrometer.manufacturer      Varian 
_pdbx_nmr_spectrometer.model             UNITY 
_pdbx_nmr_spectrometer.field_strength    600 
# 
_atom_sites.entry_id                    1HP9 
_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 
# 
loop_
_atom_type.symbol 
C 
H 
N 
O 
S 
# 
loop_