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(-) Description

Title :  THE STRUCTURE OF HUMAN GPX8
 
Authors :  K. L. Kavanagh, C. Johansson, W. W. Yue, G. Kochan, A. C. W. Pike, J. Murra A. K. Roos, P. Filippakopoulos, F. Von Delft, C. H. Arrowsmith, M. Wik A. M. Edwards, C. Bountra, U. Oppermann, Structural Genomics Conso (Sgc)
Date :  25 Apr 08  (Deposition) - 12 Aug 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  C  (1x)
Biol. Unit 4:  A,B,C  (1x)
Keywords :  Thioredoxin Fold, Glutathione Peroxidase, Membrane, Oxidoreductase, Transmembrane, Structural Genomics, Structural Genomics Consortium, Sgc (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. L. Kavanagh, C. Johansson, W. W. Yue, G. Kochan, U. Oppermann
The Structure Of Human Gpx8
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - PROBABLE GLUTATHIONE PEROXIDASE 8
    ChainsA, B, C
    EC Number1.11.1.9
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPNIC-BSA4
    Expression System StrainBL21 (DE3)
    Expression System Vector TypePLASMID
    FragmentRESIDUES 44-209
    GeneLOC493869
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABC
Biological Unit 1 (1x)A  
Biological Unit 2 (1x) B 
Biological Unit 3 (1x)  C
Biological Unit 4 (1x)ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 9)

Asymmetric Unit (2, 9)
No.NameCountTypeFull Name
1GOL3Ligand/IonGLYCEROL
2SO46Ligand/IonSULFATE ION
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2SO41Ligand/IonSULFATE ION
Biological Unit 2 (2, 5)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2SO44Ligand/IonSULFATE ION
Biological Unit 3 (2, 2)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2SO41Ligand/IonSULFATE ION
Biological Unit 4 (2, 9)
No.NameCountTypeFull Name
1GOL3Ligand/IonGLYCEROL
2SO46Ligand/IonSULFATE ION

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:80 , ARG A:84 , GLN B:80 , ARG B:84 , GLN C:80 , ARG C:84BINDING SITE FOR RESIDUE SO4 B 1
2AC2SOFTWARELYS C:160 , ARG C:182BINDING SITE FOR RESIDUE SO4 C 2
3AC3SOFTWARETRP A:164BINDING SITE FOR RESIDUE SO4 B 3
4AC4SOFTWARELYS B:160 , PHE B:180 , ARG B:182 , GLY C:34 , THR C:35BINDING SITE FOR RESIDUE SO4 B 4
5AC5SOFTWAREARG A:199 , GLN A:200 , ASN B:172 , LEU B:197 , GLN B:200BINDING SITE FOR RESIDUE SO4 B 5
6AC6SOFTWARELYS A:160 , ARG A:182BINDING SITE FOR RESIDUE SO4 A 6
7AC7SOFTWARESER A:119 , HIS A:138 , LYS A:139BINDING SITE FOR RESIDUE GOL A 7
8AC8SOFTWARESER B:119 , HIS B:138 , LYS B:139BINDING SITE FOR RESIDUE GOL B 8
9AC9SOFTWARESER C:119 , HIS C:138 , LYS C:139BINDING SITE FOR RESIDUE GOL C 9

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3CYN)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Gly A:97 -Pro A:98
2Gly B:97 -Pro B:98
3Gly C:97 -Pro C:98

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 3)

Asymmetric Unit (1, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_060456K182RGPX8_HUMANPolymorphism381852A/B/CR182R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_060456K182RGPX8_HUMANPolymorphism381852AR182R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_060456K182RGPX8_HUMANPolymorphism381852BR182R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 3 (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_060456K182RGPX8_HUMANPolymorphism381852CR182R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 4 (1, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_060456K182RGPX8_HUMANPolymorphism381852A/B/CR182R

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

(-) PROSITE Motifs  (2, 6)

Asymmetric Unit (2, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLUTATHIONE_PEROXID_3PS51355 Glutathione peroxidase profile.GPX8_HUMAN37-204
 
 
  3A:44-204
B:38-204
C:44-204
2GLUTATHIONE_PEROXID_2PS00763 Glutathione peroxidases signature 2.GPX8_HUMAN104-111
 
 
  3A:104-111
B:104-111
C:104-111
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLUTATHIONE_PEROXID_3PS51355 Glutathione peroxidase profile.GPX8_HUMAN37-204
 
 
  1A:44-204
-
-
2GLUTATHIONE_PEROXID_2PS00763 Glutathione peroxidases signature 2.GPX8_HUMAN104-111
 
 
  1A:104-111
-
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLUTATHIONE_PEROXID_3PS51355 Glutathione peroxidase profile.GPX8_HUMAN37-204
 
 
  1-
B:38-204
-
2GLUTATHIONE_PEROXID_2PS00763 Glutathione peroxidases signature 2.GPX8_HUMAN104-111
 
 
  1-
B:104-111
-
Biological Unit 3 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLUTATHIONE_PEROXID_3PS51355 Glutathione peroxidase profile.GPX8_HUMAN37-204
 
 
  1-
-
C:44-204
2GLUTATHIONE_PEROXID_2PS00763 Glutathione peroxidases signature 2.GPX8_HUMAN104-111
 
 
  1-
-
C:104-111
Biological Unit 4 (2, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLUTATHIONE_PEROXID_3PS51355 Glutathione peroxidase profile.GPX8_HUMAN37-204
 
 
  3A:44-204
B:38-204
C:44-204
2GLUTATHIONE_PEROXID_2PS00763 Glutathione peroxidases signature 2.GPX8_HUMAN104-111
 
 
  3A:104-111
B:104-111
C:104-111

(-) Exons   (0, 0)

(no "Exon" information available for 3CYN)

(-) Sequences/Alignments

Asymmetric 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:174
 aligned with GPX8_HUMAN | Q8TED1 from UniProtKB/Swiss-Prot  Length:209

    Alignment length:174
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205    
           GPX8_HUMAN    36 QLKFLKPKINSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWKPEEPIEVIRPDIAALVRQVIIKKKEDL 209
               SCOP domains d3cyna_ A: automated matches                                                                                                                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhh....hhhh.eee.....eee.hhhh..eeeeeee.....hhhhhhhhhhhhhhhhh...eeeeeee..........hhhhhhhhhhhhhh................hhhhhhhhhhhh........eeee.....eeeee....hhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------R--------------------------- SAPs(SNPs)
                PROSITE (1) -GLUTATHIONE_PEROXID_3  PDB: A:44-204 UniProt: 37-204                                                                                                                    ----- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------GLUTATHI-------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3cyn A  36 ENLYFQSMINSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWRPEEPIEVIRPDIAALVRQVIIKKKEDL 209
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205    

Chain B from PDB  Type:PROTEIN  Length:173
 aligned with GPX8_HUMAN | Q8TED1 from UniProtKB/Swiss-Prot  Length:209

    Alignment length:174
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205    
           GPX8_HUMAN    36 QLKFLKPKINSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWKPEEPIEVIRPDIAALVRQVIIKKKEDL 209
               SCOP domains d3cynb _ B: automated matches                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhh.-...hhhh.eee.....eee.hhhh..eeeeeee.....hhhhhhhhhhhhhhhhh...eeeeeee..........hhhhhhhhhhhhhh................hhhhhhhhhhhh........eeee.....eeeee....hhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------R--------------------------- SAPs(SNPs)
                PROSITE (1) -GLUTATHIONE_PEROXID_3  PDB: B:38-204 UniProt: 37-204                                                                                                                    ----- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------------GLUTATHI-------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3cyn B  37 NLYFQS-MINSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWRPEEPIEVIRPDIAALVRQVIIKKKEDL 209
                                 | |45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205    
                                42 |                                                                                                                                                                      
                                  43                                                                                                                                                                      

Chain C from PDB  Type:PROTEIN  Length:176
 aligned with GPX8_HUMAN | Q8TED1 from UniProtKB/Swiss-Prot  Length:209

    Alignment length:197
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       
           GPX8_HUMAN    13 GPRAKVFAVLLSIVLCTVTLFLLQLKFLKPKINSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWKPEEPIEVIRPDIAALVRQVIIKKKEDL 209
               SCOP domains d               3cync_ C:       automated matches                                                                                                                                                     SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author h---------------hhhhhhhh.------..hhhh.eee.....eee.hhhh..eeeeeee.....hhhhhhhhhhhhhhhhh...eeeeeee..........hhhhhhhhhhhhhh................hhhhhhhhhhhh........eeee.....eeeee....hhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------R--------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------GLUTATHIONE_PEROXID_3  PDB: C:44-204 UniProt: 37-204                                                                                                                    ----- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------GLUTATHI-------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3cyn C  34 G---------------TENLYFQSM------INSFYAFEVKDAKGRTVSLEKYKGKVSLVVNVASDCQLTDRNYLGLKELHKEFGPSHFSVLAFPCNQFGESEPRPSKEVESFARKNYGVTFPIFHKIKILGSEGEPAFRFLVDSSKKEPRWNFWKYLVNPEGQVVKFWRPEEPIEVIRPDIAALVRQVIIKKKEDL 209
                            |        -      | 38    |    - |      52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       
                           34              35      43     44                                                                                                                                                                     

   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  (1, 3)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3CYN)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3CYN)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (GPX8_HUMAN | Q8TED1)
molecular function
    GO:0004602    glutathione peroxidase activity    Catalysis of the reaction: 2 glutathione + hydrogen peroxide = oxidized glutathione + 2 H2O.
    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:0004601    peroxidase activity    Catalysis of the reaction: donor + hydrogen peroxide = oxidized donor + 2 H2O.
biological process
    GO:0098869    cellular oxidant detoxification    Any process carried out at the cellular level that reduces or removes the toxicity superoxide radicals or hydrogen peroxide.
    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.
    GO:0006979    response to oxidative stress    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
    GO:0000302    response to reactive oxygen species    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a reactive oxygen species stimulus. Reactive oxygen species include singlet oxygen, superoxide, and oxygen free radicals.
cellular component
    GO:0005788    endoplasmic reticulum lumen    The volume enclosed by the membranes of the endoplasmic reticulum.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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 Related Entries

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

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        GPX8_HUMAN | Q8TED13kij

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3CYN)