<?xml version="1.0" encoding="UTF-8" ?>

<PDBx:datablock datablockName="KN6"
   xmlns:PDBx="http://pdbml.pdb.org/schema/pdbx-v50.xsd"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://pdbml.pdb.org/schema/pdbx-v50.xsd pdbx-v50.xsd">

   <PDBx:chem_compCategory>
      <PDBx:chem_comp id="KN6">
         <PDBx:formula>C5 H5 N S</PDBx:formula>
         <PDBx:formula_weight>111.165</PDBx:formula_weight>
         <PDBx:name>4-THIOPYRIDINE</PDBx:name>
         <PDBx:pdbx_ambiguous_flag>N</PDBx:pdbx_ambiguous_flag>
         <PDBx:pdbx_formal_charge>0</PDBx:pdbx_formal_charge>
         <PDBx:pdbx_ideal_coordinates_details>Corina</PDBx:pdbx_ideal_coordinates_details>
         <PDBx:pdbx_ideal_coordinates_missing_flag>N</PDBx:pdbx_ideal_coordinates_missing_flag>
         <PDBx:pdbx_initial_date>2024-01-22</PDBx:pdbx_initial_date>
         <PDBx:pdbx_model_coordinates_missing_flag>N</PDBx:pdbx_model_coordinates_missing_flag>
         <PDBx:pdbx_modified_date>2025-03-14</PDBx:pdbx_modified_date>
         <PDBx:pdbx_processing_site>PDBE</PDBx:pdbx_processing_site>
         <PDBx:pdbx_release_status>REL</PDBx:pdbx_release_status>
         <PDBx:pdbx_synonyms>pyridine-4-thiol</PDBx:pdbx_synonyms>
         <PDBx:pdbx_type>HETAIN</PDBx:pdbx_type>
         <PDBx:three_letter_code>KN6</PDBx:three_letter_code>
         <PDBx:type>non-polymer</PDBx:type>
      </PDBx:chem_comp>
   </PDBx:chem_compCategory>
   <PDBx:chem_comp_atomCategory>
      <PDBx:chem_comp_atom atom_id="S1" comp_id="KN6">
         <PDBx:alt_atom_id>S1</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>2.551</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-0.135</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.725</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>S1</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>2.239</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-0.000</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.035</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>1</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>S</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="C1" comp_id="KN6">
         <PDBx:alt_atom_id>C1</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>0.827</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-0.035</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.315</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>C1</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>0.477</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-0.000</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.016</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>2</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>C</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="C2" comp_id="KN6">
         <PDBx:alt_atom_id>C2</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>0.035</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-1.199</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.237</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>C2</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-0.239</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>1.198</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.010</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>3</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>C</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="C3" comp_id="KN6">
         <PDBx:alt_atom_id>C3</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>-1.304</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-1.062</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>0.087</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>C3</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-1.617</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>1.154</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>0.005</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>4</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>C</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="N1" comp_id="KN6">
         <PDBx:alt_atom_id>N1</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>-1.894</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>0.123</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>0.332</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>N1</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-2.258</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>0.000</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>0.013</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>5</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>N</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="C4" comp_id="KN6">
         <PDBx:alt_atom_id>C4</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>-1.131</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>1.229</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>0.255</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>C4</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-1.617</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-1.154</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>0.008</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>6</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>C</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="C5" comp_id="KN6">
         <PDBx:alt_atom_id>C5</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>0.217</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>1.211</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.060</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>C5</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-0.240</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-1.198</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.013</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>7</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>C</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="H1" comp_id="KN6">
         <PDBx:alt_atom_id>H1</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>2.909</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>1.114</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.694</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>H1</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>Y</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>2.555</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>0.002</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>1.272</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>8</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>H</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="H2" comp_id="KN6">
         <PDBx:alt_atom_id>H2</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>0.462</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-2.173</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.425</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>H2</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>0.278</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>2.145</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.016</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>9</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>H</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="H3" comp_id="KN6">
         <PDBx:alt_atom_id>H3</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>-1.909</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>-1.955</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>0.146</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>H3</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-2.180</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>2.076</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>0.009</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>10</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>H</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="H4" comp_id="KN6">
         <PDBx:alt_atom_id>H4</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>-1.596</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>2.184</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>0.450</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>H4</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>-2.180</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-2.076</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>0.015</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>11</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>H</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
      <PDBx:chem_comp_atom atom_id="H5" comp_id="KN6">
         <PDBx:alt_atom_id>H5</PDBx:alt_atom_id>
         <PDBx:charge>0</PDBx:charge>
         <PDBx:model_Cartn_x>0.787</PDBx:model_Cartn_x>
         <PDBx:model_Cartn_y>2.127</PDBx:model_Cartn_y>
         <PDBx:model_Cartn_z>-0.109</PDBx:model_Cartn_z>
         <PDBx:pdbx_align>1</PDBx:pdbx_align>
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_component_atom_id>H5</PDBx:pdbx_component_atom_id>
         <PDBx:pdbx_component_comp_id>KN6</PDBx:pdbx_component_comp_id>
         <PDBx:pdbx_leaving_atom_flag>N</PDBx:pdbx_leaving_atom_flag>
         <PDBx:pdbx_model_Cartn_x_ideal>0.278</PDBx:pdbx_model_Cartn_x_ideal>
         <PDBx:pdbx_model_Cartn_y_ideal>-2.145</PDBx:pdbx_model_Cartn_y_ideal>
         <PDBx:pdbx_model_Cartn_z_ideal>-0.022</PDBx:pdbx_model_Cartn_z_ideal>
         <PDBx:pdbx_ordinal>12</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:type_symbol>H</PDBx:type_symbol>
      </PDBx:chem_comp_atom>
   </PDBx:chem_comp_atomCategory>
   <PDBx:chem_comp_bondCategory>
      <PDBx:chem_comp_bond atom_id_1="S1" atom_id_2="C1" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>1</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C1" atom_id_2="C2" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>2</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>doub</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C2" atom_id_2="C3" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>3</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C3" atom_id_2="N1" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>4</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>doub</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="N1" atom_id_2="C4" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>5</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C4" atom_id_2="C5" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>6</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>doub</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C1" atom_id_2="C5" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>Y</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>7</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="S1" atom_id_2="H1" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>8</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C2" atom_id_2="H2" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>9</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C3" atom_id_2="H3" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>10</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C4" atom_id_2="H4" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>11</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
      <PDBx:chem_comp_bond atom_id_1="C5" atom_id_2="H5" comp_id="KN6">
         <PDBx:pdbx_aromatic_flag>N</PDBx:pdbx_aromatic_flag>
         <PDBx:pdbx_ordinal>12</PDBx:pdbx_ordinal>
         <PDBx:pdbx_stereo_config>N</PDBx:pdbx_stereo_config>
         <PDBx:value_order>sing</PDBx:value_order>
      </PDBx:chem_comp_bond>
   </PDBx:chem_comp_bondCategory>
   <PDBx:pdbx_chem_comp_auditCategory>
      <PDBx:pdbx_chem_comp_audit action_type="Create component" comp_id="KN6" date="2024-02-14">
         <PDBx:processing_site>PDBE</PDBx:processing_site>
      </PDBx:pdbx_chem_comp_audit>
      <PDBx:pdbx_chem_comp_audit action_type="Modify descriptor" comp_id="KN6" date="2024-02-14">
         <PDBx:processing_site>PDBE</PDBx:processing_site>
      </PDBx:pdbx_chem_comp_audit>
      <PDBx:pdbx_chem_comp_audit action_type="Other modification" comp_id="KN6" date="2024-02-14">
         <PDBx:processing_site>PDBE</PDBx:processing_site>
      </PDBx:pdbx_chem_comp_audit>
      <PDBx:pdbx_chem_comp_audit action_type="Modify PCM" comp_id="KN6" date="2024-09-27">
         <PDBx:processing_site>PDBE</PDBx:processing_site>
      </PDBx:pdbx_chem_comp_audit>
      <PDBx:pdbx_chem_comp_audit action_type="Initial release" comp_id="KN6" date="2025-03-19">
         <PDBx:processing_site>RCSB</PDBx:processing_site>
      </PDBx:pdbx_chem_comp_audit>
   </PDBx:pdbx_chem_comp_auditCategory>
   <PDBx:pdbx_chem_comp_descriptorCategory>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="InChI" program_version="1.06" type="InChI">
         <PDBx:descriptor>InChI=1S/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="InChI" program_version="1.06" type="InChIKey">
         <PDBx:descriptor>FHTDDANQIMVWKZ-UHFFFAOYSA-N</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="CACTVS" program_version="3.385" type="SMILES_CANONICAL">
         <PDBx:descriptor>Sc1ccncc1</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="CACTVS" program_version="3.385" type="SMILES">
         <PDBx:descriptor>Sc1ccncc1</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="OpenEye OEToolkits" program_version="2.0.7" type="SMILES_CANONICAL">
         <PDBx:descriptor>c1cnccc1S</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
      <PDBx:pdbx_chem_comp_descriptor comp_id="KN6" program="OpenEye OEToolkits" program_version="2.0.7" type="SMILES">
         <PDBx:descriptor>c1cnccc1S</PDBx:descriptor>
      </PDBx:pdbx_chem_comp_descriptor>
   </PDBx:pdbx_chem_comp_descriptorCategory>
   <PDBx:pdbx_chem_comp_identifierCategory>
      <PDBx:pdbx_chem_comp_identifier comp_id="KN6" program="OpenEye OEToolkits" program_version="2.0.7" type="SYSTEMATIC NAME">
         <PDBx:identifier>pyridine-4-thiol</PDBx:identifier>
      </PDBx:pdbx_chem_comp_identifier>
   </PDBx:pdbx_chem_comp_identifierCategory>
   <PDBx:pdbx_chem_comp_synonymsCategory>
      <PDBx:pdbx_chem_comp_synonyms comp_id="KN6" ordinal="1">
         <PDBx:name>pyridine-4-thiol</PDBx:name>
         <PDBx:provenance>PDB</PDBx:provenance>
      </PDBx:pdbx_chem_comp_synonyms>
   </PDBx:pdbx_chem_comp_synonymsCategory>
</PDBx:datablock>
