data_PYX
# 
_chem_comp.id                                    PYX 
_chem_comp.name                                  "S-[S-THIOPYRIDOXAMINYL]CYSTEINE" 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C11 H17 N3 O3 S2" 
_chem_comp.mon_nstd_parent_comp_id               CYS 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2011-06-04 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         ? 
_chem_comp.formula_weight                        303.401 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     PYX 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1A2D 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.alt_atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.charge 
_chem_comp_atom.pdbx_align 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_leaving_atom_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.model_Cartn_x 
_chem_comp_atom.model_Cartn_y 
_chem_comp_atom.model_Cartn_z 
_chem_comp_atom.pdbx_model_Cartn_x_ideal 
_chem_comp_atom.pdbx_model_Cartn_y_ideal 
_chem_comp_atom.pdbx_model_Cartn_z_ideal 
_chem_comp_atom.pdbx_component_atom_id 
_chem_comp_atom.pdbx_component_comp_id 
_chem_comp_atom.pdbx_ordinal 
PYX N    N    N 0 1 N N N 3.069 33.648 25.745 -0.675 -1.471 -4.953 N    PYX 1  
PYX CA   CA   C 0 1 N N R 2.803 34.299 24.467 -0.426 -0.477 -3.900 CA   PYX 2  
PYX C    C    C 0 1 N N N 1.373 34.809 24.377 0.280  0.714  -4.491 C    PYX 3  
PYX O    O    O 0 1 N N N 0.415 34.035 24.307 1.013  0.572  -5.441 O    PYX 4  
PYX OXT  OXT  O 0 1 N Y N 1.242 36.128 24.349 0.096  1.934  -3.962 OXT  PYX 5  
PYX CB   CB   C 0 1 N N N 3.058 33.331 23.333 0.446  -1.100 -2.809 CB   PYX 6  
PYX SG   SG   S 0 1 N N N 4.667 32.540 23.338 0.806  0.145  -1.539 SG   PYX 7  
PYX SD   SD   S 0 1 N N N 5.031 31.479 21.659 -1.063 0.382  -0.734 SD   PYX 8  
PYX CE   CE   C 0 1 N N N 6.668 31.666 20.963 -1.071 -0.987 0.454  CE   PYX 9  
PYX C1   C1   C 0 1 Y N N 6.951 30.839 19.748 -0.164 -0.655 1.610  C1   PYX 10 
PYX C2   C2   C 0 1 Y N N 6.114 30.970 18.631 1.149  -1.086 1.616  C2   PYX 11 
PYX C6   C6   C 0 1 Y N N 8.031 29.943 19.737 -0.637 0.086  2.681  C6   PYX 12 
PYX N3   N3   N 0 1 Y N N 6.348 30.206 17.489 1.951  -0.800 2.623  N3   PYX 13 
PYX C5   C5   C 0 1 Y N N 8.271 29.168 18.586 0.234  0.364  3.729  C5   PYX 14 
PYX CM6  CM6  C 0 1 N N N 8.952 29.807 20.985 -2.062 0.574  2.712  CM6  PYX 15 
PYX C4   C4   C 0 1 Y N N 7.423 29.303 17.456 1.540  -0.098 3.660  C4   PYX 16 
PYX O5   O5   O 0 1 N N N 9.371 28.249 18.565 -0.184 1.087  4.801  O5   PYX 17 
PYX N6   N6   N 0 1 N N N 8.318 28.941 22.009 -2.895 -0.391 3.441  N6   PYX 18 
PYX CM4  CM4  C 0 1 N N N 7.668 28.463 16.183 2.497  0.200  4.785  CM4  PYX 19 
PYX H    1HN  H 0 1 N N N 4.028 33.306 25.805 -1.156 -2.243 -4.516 H    PYX 20 
PYX H2   2HN  H 0 1 N Y N 2.397 32.902 25.928 0.226  -1.818 -5.244 H2   PYX 21 
PYX HA   HA   H 0 1 N N N 3.489 35.174 24.388 -1.376 -0.160 -3.469 HA   PYX 22 
PYX HXT  HXT  H 0 1 N Y N 0.348 36.446 24.292 0.550  2.699  -4.341 HXT  PYX 23 
PYX HB2  1HB  H 0 1 N N N 2.253 32.559 23.302 1.380  -1.452 -3.247 HB2  PYX 24 
PYX HB3  2HB  H 0 1 N N N 2.884 33.836 22.354 -0.081 -1.939 -2.355 HB3  PYX 25 
PYX HE2  1HE  H 0 1 N N N 6.870 32.741 20.748 -0.717 -1.895 -0.035 HE2  PYX 26 
PYX HE3  2HE  H 0 1 N N N 7.439 31.471 21.744 -2.085 -1.144 0.821  HE3  PYX 27 
PYX HC2  H2   H 0 1 N N N 5.267 31.677 18.650 1.523  -1.664 0.784  HC2  PYX 28 
PYX HM61 1HM6 H 0 0 N N N 9.970 29.446 20.710 -2.104 1.541  3.214  HM61 PYX 29 
PYX HM62 2HM6 H 0 0 N N N 9.234 30.802 21.401 -2.433 0.677  1.692  HM62 PYX 30 
PYX HO5  HO5  H 0 1 N N N 9.532 27.726 17.788 -0.531 0.456  5.445  HO5  PYX 31 
PYX HN61 1HN6 H 0 0 N N N 8.921 28.851 22.826 -3.845 -0.057 3.383  HN61 PYX 32 
PYX HN62 2HN6 H 0 0 N N N 8.059 28.030 21.628 -2.860 -1.255 2.920  HN62 PYX 33 
PYX HM41 1HM4 H 0 0 N N N 8.521 27.746 16.156 3.015  1.138  4.583  HM41 PYX 34 
PYX HM42 2HM4 H 0 0 N N N 6.731 27.911 15.933 1.944  0.284  5.720  HM42 PYX 35 
PYX HM43 3HM4 H 0 0 N N N 7.755 29.153 15.311 3.226  -0.606 4.865  HM43 PYX 36 
# 
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 
PYX N   CA   SING N N 1  
PYX N   H    SING N N 2  
PYX N   H2   SING N N 3  
PYX CA  C    SING N N 4  
PYX CA  CB   SING N N 5  
PYX CA  HA   SING N N 6  
PYX C   O    DOUB N N 7  
PYX C   OXT  SING N N 8  
PYX OXT HXT  SING N N 9  
PYX CB  SG   SING N N 10 
PYX CB  HB2  SING N N 11 
PYX CB  HB3  SING N N 12 
PYX SG  SD   SING N N 13 
PYX SD  CE   SING N N 14 
PYX CE  C1   SING N N 15 
PYX CE  HE2  SING N N 16 
PYX CE  HE3  SING N N 17 
PYX C1  C2   SING Y N 18 
PYX C1  C6   DOUB Y N 19 
PYX C2  N3   DOUB Y N 20 
PYX C2  HC2  SING N N 21 
PYX C6  C5   SING Y N 22 
PYX C6  CM6  SING N N 23 
PYX N3  C4   SING Y N 24 
PYX C5  C4   DOUB Y N 25 
PYX C5  O5   SING N N 26 
PYX CM6 N6   SING N N 27 
PYX CM6 HM61 SING N N 28 
PYX CM6 HM62 SING N N 29 
PYX C4  CM4  SING N N 30 
PYX O5  HO5  SING N N 31 
PYX N6  HN61 SING N N 32 
PYX N6  HN62 SING N N 33 
PYX CM4 HM41 SING N N 34 
PYX CM4 HM42 SING N N 35 
PYX CM4 HM43 SING N N 36 
# 
loop_
_pdbx_chem_comp_descriptor.comp_id 
_pdbx_chem_comp_descriptor.type 
_pdbx_chem_comp_descriptor.program 
_pdbx_chem_comp_descriptor.program_version 
_pdbx_chem_comp_descriptor.descriptor 
PYX SMILES           ACDLabs              10.04 "O=C(O)C(N)CSSCc1cnc(c(O)c1CN)C"                                                                                          
PYX SMILES_CANONICAL CACTVS               3.341 "Cc1ncc(CSSC[C@H](N)C(O)=O)c(CN)c1O"                                                                                      
PYX SMILES           CACTVS               3.341 "Cc1ncc(CSSC[CH](N)C(O)=O)c(CN)c1O"                                                                                       
PYX SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "Cc1c(c(c(cn1)CSSC[C@@H](C(=O)O)N)CN)O"                                                                                   
PYX SMILES           "OpenEye OEToolkits" 1.5.0 "Cc1c(c(c(cn1)CSSCC(C(=O)O)N)CN)O"                                                                                        
PYX InChI            InChI                1.03  "InChI=1S/C11H17N3O3S2/c1-6-10(15)8(2-12)7(3-14-6)4-18-19-5-9(13)11(16)17/h3,9,15H,2,4-5,12-13H2,1H3,(H,16,17)/t9-/m0/s1" 
PYX InChIKey         InChI                1.03  GNMYVMXAEUCEOO-VIFPVBQESA-N                                                                                               
# 
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 
PYX "SYSTEMATIC NAME" ACDLabs              10.04 "3-({[4-(aminomethyl)-5-hydroxy-6-methylpyridin-3-yl]methyl}disulfanyl)-L-alanine"                 
PYX "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-2-amino-3-[[4-(aminomethyl)-5-hydroxy-6-methyl-pyridin-3-yl]methyldisulfanyl]propanoic acid" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
PYX "Create component"  1999-07-08 RCSB 
PYX "Modify descriptor" 2011-06-04 RCSB 
# 
