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(-) Description

Title :  TRYPANOSOMA CRUZI TRYPANOTHIONE REDUCTASE (OXIDIZED FORM)
 
Authors :  C. S. Bond, Y. Zhang, W. N. Hunter
Date :  03 Jul 97  (Deposition) - 17 Sep 97  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Trypanothione Reductase, Fad Dependent Disulphide Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. Zhang, C. S. Bond, S. Bailey, M. L. Cunningham, A. H. Fairlamb, W. N. Hunter
The Crystal Structure Of Trypanothione Reductase From The Human Pathogen Trypanosoma Cruzi At 2. 3 A Resolution.
Protein Sci. V. 5 52 1996
PubMed-ID: 8771196
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRYPANOTHIONE REDUCTASE
    ChainsA, B
    EC Number1.6.4.8
    Organism ScientificTRYPANOSOMA CRUZI
    Organism Taxid5693
    StrainBRAZILIAN SILVIO STRAIN CLONE X10/1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1FAD2Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
2MAE2Ligand/IonMALEIC ACID

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREILE A:11 , GLY A:12 , GLY A:14 , SER A:15 , GLY A:16 , ASP A:36 , VAL A:37 , SER A:47 , ALA A:48 , GLY A:51 , THR A:52 , CYS A:53 , VAL A:56 , CYS A:58 , LYS A:61 , GLY A:126 , TRP A:127 , GLY A:128 , ALA A:160 , SER A:161 , GLY A:162 , ARG A:288 , ARG A:291 , GLY A:326 , ASP A:327 , MET A:333 , LEU A:334 , THR A:335 , PRO A:336 , HOH A:502 , HOH A:506 , HOH A:513 , HOH A:514 , HOH A:572 , HOH A:659 , HIS B:461 , PRO B:462BINDING SITE FOR RESIDUE FAD A 492
2AC2SOFTWARETYR A:222 , ARG A:223 , ILE A:286 , ASN B:169BINDING SITE FOR RESIDUE MAE A 500
3AC3SOFTWAREALA A:257 , LYS A:258 , THR A:270 , PHE A:271 , GLU A:272 , HOH A:735 , HIS B:166BINDING SITE FOR RESIDUE MAE A 501
4AC4SOFTWAREHIS A:461 , HOH A:551 , ILE B:11 , GLY B:12 , GLY B:14 , SER B:15 , GLY B:16 , ASP B:36 , VAL B:37 , SER B:47 , ALA B:48 , GLY B:51 , THR B:52 , CYS B:53 , VAL B:56 , GLY B:57 , CYS B:58 , LYS B:61 , GLY B:126 , TRP B:127 , GLY B:128 , ALA B:160 , SER B:161 , GLY B:162 , PHE B:199 , ARG B:288 , ARG B:291 , GLY B:326 , ASP B:327 , MET B:333 , LEU B:334 , THR B:335 , PRO B:336 , HOH B:500 , HOH B:504 , HOH B:505BINDING SITE FOR RESIDUE FAD B 492

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:53 -A:58
2B:53 -B:58

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Pro A:43 -Pro A:44
2Ile A:369 -Pro A:370
3His A:461 -Pro A:462
4Pro B:43 -Pro B:44
5Ile B:369 -Pro B:370
6His B:461 -Pro B:462

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (5, 10)

Asymmetric/Biological Unit (5, 10)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_TYTR_TRYCR_001 *K95NTYTR_TRYCR  ---  ---A/BN95N
2UniProtVAR_TYTR_TRYCR_002 *E140ATYTR_TRYCR  ---  ---A/BE140A
3UniProtVAR_TYTR_TRYCR_003 *N156HTYTR_TRYCR  ---  ---A/BH156H
4UniProtVAR_TYTR_TRYCR_004 *N353TTYTR_TRYCR  ---  ---A/BT353T
5UniProtVAR_TYTR_TRYCR_005 *V441ITYTR_TRYCR  ---  ---A/BI441I
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PYRIDINE_REDOX_1PS00076 Pyridine nucleotide-disulphide oxidoreductases class-I active site.TYTR_TRYCR50-60
 
  2A:50-60
B:50-60

(-) Exons   (0, 0)

(no "Exon" information available for 1AOG)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:485
 aligned with TYTR_TRYCR | P28593 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:485
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482     
           TYTR_TRYCR     3 SKIFDLVVIGAGSGGLEAAWNAATLYKKRVAVIDVQMVHGPPFFSALGGTCVNVGCVPKKLMVTGAQYMEHLRESAGFGWEFDRTTLRAEWKKLIAVKDEAVLNINKSYEEMFRDTEGLEFFLGWGSLESKNVVNVRESADPASAVKERLETENILLASGSWPHMPNIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVEFAGIFNAYKPKDGQVTLCYRGEMILRGFDHTLREELTKQLTANGIQILTKENPAKVELNADGSKSVTFESGKKMDFDLVMMAIGRSPRTKDLQLQNAGVMIKNGGVQVDEYSRTNVSNIYAIGDVTNRVMLTPVAINEAAALVDTVFGTNPRKTDHTRVASAVFSIPPIGTCGLIEEVASKRYEVVAVYLSSFTPLMHNISGSKYKTFVAKIITNHSDGTVLGVHLLGDNAPEIIQGVGICLKLNAKISDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKP 487
               SCOP domains d1aoga1 A:3-169,A:287-357 Trypanothione reductase                                                                                                                      d1aoga2 A:170-286 Trypanothione reductase                                                                            d1aoga1 A:3-169,A:287-357 Trypanothione reductase                      d1aoga3 A:358-487 Trypanothione reductase                                                                                          SCOP domains
               CATH domains -1aogA01 A:4-165,A:287-360  [code=3.50.50.60, no name defined]                                                                                                     1aogA02 A:166-286  [code=3.50.50.60, no name defined]                                                                    1aogA01 A:4-165,A:287-360  [code=3.50.50.60, no name defined]             1aogA03 A:361-472  [code=3.30.390.30, no name defined]                                                          --------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeee...hhhhhhhhhhhh.....eeeee..............hhhhhh.hhhhhhhhhhhhhhhhhhhhhhh.....hhh....hhhhhhhhhhhhhhhhhhhhhhhhh...eeeee.eeeeee..eeeee........eeeeee...eee...eee.......hhh...hhhhhh......eeeee...hhhhhhhhhhhhh.....eeeeee..........hhhhhhhhhhhhhh..eeee...eeeeee.....eeeee....eeee.eeee...eee..hhh.hhh......................eee.hhhh.....hhhhhhhhhhhhhhhh.............eee.....eeeee..hhhhhhh..eeeeeeeeee.hhhhhh.....eeeeeeeee....eeeeeeee...hhhhhhhhhhhhh....hhhhh.........hhhhh......eeee..eee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------N--------------------------------------------A---------------H----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------T---------------------------------------------------------------------------------------I---------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------PYRIDINE_RE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1aog A   3 SKIFDLVVIGAGSGGLEAAWNAATLYKKRVAVIDVQMVHGPPFFSALGGTCVNVGCVPKKLMVTGAQYMEHLRESAGFGWEFDRTTLRAEWKNLIAVKDEAVLNINKSYDEMFRDTEGLEFFLGWGSLESKNVVNVRESADPASAVKERLETEHILLASGSWPHMPNIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVEFAGIFNAYKPKDGQVTLCYRGEMILRGFDHTLREELTKQLTANGIQILTKENPAKVELNADGSKSVTFESGKKMDFDLVMMAIGRSPRTKDLQLQNAGVMIKNGGVQVDEYSRTNVSNIYAIGDVTNRVMLTPVAINEAAALVDTVFGTTPRKTDHTRVASAVFSIPPIGTCGLIEEVASKRYEVVAVYLSSFTPLMHKVSGSKYKTFVAKIITNHSDGTVLGVHLLGDNAPEIIQGIGICLKLNAKISDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKP 487
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482     

Chain B from PDB  Type:PROTEIN  Length:483
 aligned with TYTR_TRYCR | P28593 from UniProtKB/Swiss-Prot  Length:492

    Alignment length:483
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484   
           TYTR_TRYCR     5 IFDLVVIGAGSGGLEAAWNAATLYKKRVAVIDVQMVHGPPFFSALGGTCVNVGCVPKKLMVTGAQYMEHLRESAGFGWEFDRTTLRAEWKKLIAVKDEAVLNINKSYEEMFRDTEGLEFFLGWGSLESKNVVNVRESADPASAVKERLETENILLASGSWPHMPNIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVEFAGIFNAYKPKDGQVTLCYRGEMILRGFDHTLREELTKQLTANGIQILTKENPAKVELNADGSKSVTFESGKKMDFDLVMMAIGRSPRTKDLQLQNAGVMIKNGGVQVDEYSRTNVSNIYAIGDVTNRVMLTPVAINEAAALVDTVFGTNPRKTDHTRVASAVFSIPPIGTCGLIEEVASKRYEVVAVYLSSFTPLMHNISGSKYKTFVAKIITNHSDGTVLGVHLLGDNAPEIIQGVGICLKLNAKISDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKP 487
               SCOP domains d1aogb1 B:5-169,B:287-357 Trypanothione reductase                                                                                                                    d1aogb2 B:170-286 Trypanothione reductase                                                                            d1aogb1 B:5-169,B:287-357 Trypanothione reductase                      d1aogb3 B:358-487 Trypanothione reductase                                                                                          SCOP domains
               CATH domains 1aogB01 B:5-165,B:287-360  [code=3.50.50.60, no name defined]                                                                                                    1aogB02 B:166-286  [code=3.50.50.60, no name defined]                                                                    1aogB01 B:5-165,B:287-360  [code=3.50.50.60, no name defined]             1aogB03 B:361-472  [code=3.30.390.30, no name defined]                                                          --------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee...hhhhhhhhhhhhh....eeeee...............hhhhh.hhhhhhhhhhhhhhhhhhhhhhh.....hhh....hhhhhhhhhhhhhhhhhhhhhhhhh...eeeee.eeeeee..eeeee..........eeee...eee...eee.......hhh...hhhhhh......eeeee...hhhhhhhhhhhhh.....eeeeee..........hhhhhhhhhhhhh..eeeee...eeeeee.....eeeee....eeee.eeee...eee..hhh.hhhh.....................eee.hhhh.....hhhhhhhhhhhhhhhh............eeee.....eeeee..hhhhhhh..eeeeeeeeee.hhhhhh.....eeeeeeeee.....eeeeeee...hhhhhhhhhhhhh....hhhhh.........hhhhh......eeee..eee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------N--------------------------------------------A---------------H----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------T---------------------------------------------------------------------------------------I---------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------PYRIDINE_RE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1aog B   5 IFDLVVIGAGSGGLEAAWNAATLYKKRVAVIDVQMVHGPPFFSALGGTCVNVGCVPKKLMVTGAQYMEHLRESAGFGWEFDRTTLRAEWKNLIAVKDEAVLNINKSYDEMFRDTEGLEFFLGWGSLESKNVVNVRESADPASAVKERLETEHILLASGSWPHMPNIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVEFAGIFNAYKPKDGQVTLCYRGEMILRGFDHTLREELTKQLTANGIQILTKENPAKVELNADGSKSVTFESGKKMDFDLVMMAIGRSPRTKDLQLQNAGVMIKNGGVQVDEYSRTNVSNIYAIGDVTNRVMLTPVAINEAAALVDTVFGTTPRKTDHTRVASAVFSIPPIGTCGLIEEVASKRYEVVAVYLSSFTPLMHKVSGSKYKTFVAKIITNHSDGTVLGVHLLGDNAPEIIQGIGICLKLNAKISDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKP 487
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484   

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 6)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 6)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1AOG)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (TYTR_TRYCR | P28593)
molecular function
    GO:0015036    disulfide oxidoreductase activity    Catalysis of the reaction: substrate with reduced sulfide groups = substrate with oxidized disulfide bonds.
    GO:0050660    flavin adenine dinucleotide binding    Interacting selectively and non-covalently with FAD, flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes, in either the oxidized form, FAD, or the reduced form, FADH2.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0016668    oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor    Catalysis of an oxidation-reduction (redox) reaction in which a sulfur-containing group acts as a hydrogen or electron donor and reduces NAD or NADP.
    GO:0015042    trypanothione-disulfide reductase activity    Catalysis of the reaction: NADP+ + trypanothione = NADPH + H+ + trypanothione disulfide.
biological process
    GO:0045454    cell redox homeostasis    Any process that maintains the redox environment of a cell or compartment within a cell.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        TYTR_TRYCR | P285931bzl 1gxf 1nda

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1AOG)