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(-) Description

Title :  STRUCTURE-FUNCTION IN E. COLI IRON SUPEROXIDE DISMUTASE: COMPARISONS WITH THE MANGANESE ENZYME FROM T. THERMOPHILUS
 
Authors :  M. S. Lah, M. Dixon, K. A. Pattridge, W. C. Stallings, J. A. Fee, M. L. Ludwig
Date :  12 Jul 94  (Deposition) - 30 Sep 94  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Oxidoreductase(Superoxide Acceptor) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. S. Lah, M. M. Dixon, K. A. Pattridge, W. C. Stallings, J. A. Fee, M. L. Ludwig
Structure-Function In Escherichia Coli Iron Superoxide Dismutase: Comparisons With The Manganese Enzyme From Thermus Thermophilus.
Biochemistry V. 34 1646 1995
PubMed-ID: 7849024  |  Reference-DOI: 10.1021/BI00005A021
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - IRON(II) SUPEROXIDE DISMUTASE
    Chains: A, B
    EC Number: 1.15.1.1
    Engineered: YES
    Expression System Strain: K12
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1FE22Ligand/IonFE (II) ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:26 , HIS A:73 , ASP A:156 , HIS A:160 , HOH A:194BINDING SITE FOR RESIDUE FE2 A 193
2AC2SOFTWAREHIS B:26 , HIS B:73 , ASP B:156 , HIS B:160 , HOH B:194BINDING SITE FOR RESIDUE FE2 B 193
3FEAUNKNOWNHIS A:26 , HIS A:73 , ASP A:156 , HIS A:160 , HOH A:194NULL
4FEBUNKNOWNHIS B:26 , HIS B:73 , ASP B:156 , HIS B:160 , HOH B:194NULL

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1ISA)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Ala A:15 -Pro A:16
2Ala B:15 -Pro B:16

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1ISA)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SOD_MNPS00088 Manganese and iron superoxide dismutases signature.SODF_SHIFL157-164
 		  2A:156-163
B:156-163
SODF_ECO57157-164
 		  2A:156-163
B:156-163
SODF_ECOL6157-164
 		  2A:156-163
B:156-163
SODF_ECOLI157-164
 		  2A:156-163
B:156-163

(-) Exons   (0, 0)

(no "Exon" information available for 1ISA)

(-) 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:192
 aligned with SODF_ECO57 | P0AGD5 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECO57     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isaa1 A:1-82 Fe superoxide dismutase (FeSOD)                                    d1isaa2 A:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhhh....hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa A   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain A from PDB  Type:PROTEIN  Length:192
 aligned with SODF_ECOL6 | P0AGD4 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECOL6     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isaa1 A:1-82 Fe superoxide dismutase (FeSOD)                                    d1isaa2 A:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhhh....hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa A   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain A from PDB  Type:PROTEIN  Length:192
 aligned with SODF_ECOLI | P0AGD3 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECOLI     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isaa1 A:1-82 Fe superoxide dismutase (FeSOD)                                    d1isaa2 A:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhhh....hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa A   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain A from PDB  Type:PROTEIN  Length:192
 aligned with SODF_SHIFL | P0AGD6 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_SHIFL     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isaa1 A:1-82 Fe superoxide dismutase (FeSOD)                                    d1isaa2 A:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhhh....hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa A   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain B from PDB  Type:PROTEIN  Length:192
 aligned with SODF_ECO57 | P0AGD5 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECO57     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isab1 B:1-82 Fe superoxide dismutase (FeSOD)                                    d1isab2 B:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhh.....hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa B   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain B from PDB  Type:PROTEIN  Length:192
 aligned with SODF_ECOL6 | P0AGD4 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECOL6     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isab1 B:1-82 Fe superoxide dismutase (FeSOD)                                    d1isab2 B:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhh.....hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                PROSITE (4) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (4)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa B   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain B from PDB  Type:PROTEIN  Length:192
 aligned with SODF_ECOLI | P0AGD3 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_ECOLI     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isab1 B:1-82 Fe superoxide dismutase (FeSOD)                                    d1isab2 B:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhh.....hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa B   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190  


Chain B from PDB  Type:PROTEIN  Length:192
 aligned with SODF_SHIFL | P0AGD6 from UniProtKB/Swiss-Prot  Length:193

    Alignment length:192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191  
           SODF_SHIFL     2 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 193
               SCOP domains d1isab1 B:1-82 Fe superoxide dismutase (FeSOD)                                    d1isab2 B:83-192 Fe superoxide dismutase (FeSOD)                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...................hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh..hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhh..hhhhhhhhhhhhhh....eeeeeee.....eeeeeee....hhh...eeeeeee.............hhhhhhhh.....hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                PROSITE (3) -----------------------------------------------------------------------------------------------------------------------------------------------------------SOD_MN  ----------------------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1isa B   1 SFELPALPYAKDALAPHISAETIEYHYGKHHQTYVTNLNNLIKGTAFEGKSLEEIIRSSEGGVFNNAAQVWNHTFYWNCLAPNAGGEPTGKVAEAIAASFGSFADFKAQFTDAAIKNFGSGWTWLVKNSDGKLAIVSTSNAGTPLTTDATPLLTVDVWEHAYYIDYRNARPGYLEHFWALVNWEFVAKNLAA 192
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190
   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, 4)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1ISA)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (11, 29)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (SODF_ECOL6 | P0AGD4)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004784    superoxide dismutase activity    Catalysis of the reaction: 2 superoxide + 2 H+ = O2 + hydrogen peroxide.
biological process
    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:0019430    removal of superoxide radicals    Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
    GO:0006801    superoxide metabolic process    The chemical reactions and pathways involving superoxide, the superoxide anion O2- (superoxide free radical), or any compound containing this species.

Chain A,B   (SODF_ECOLI | P0AGD3)
molecular function
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004784    superoxide dismutase activity    Catalysis of the reaction: 2 superoxide + 2 H+ = O2 + hydrogen peroxide.
biological process
    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:0019430    removal of superoxide radicals    Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
    GO:0000303    response to superoxide    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 superoxide stimulus. Superoxide is the anion, oxygen-, formed by addition of one electron to dioxygen (O2) or any compound containing the superoxide anion.
    GO:0006801    superoxide metabolic process    The chemical reactions and pathways involving superoxide, the superoxide anion O2- (superoxide free radical), or any compound containing this species.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain A,B   (SODF_ECO57 | P0AGD5)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004784    superoxide dismutase activity    Catalysis of the reaction: 2 superoxide + 2 H+ = O2 + hydrogen peroxide.
biological process
    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:0019430    removal of superoxide radicals    Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
    GO:0006801    superoxide metabolic process    The chemical reactions and pathways involving superoxide, the superoxide anion O2- (superoxide free radical), or any compound containing this species.

Chain A,B   (SODF_SHIFL | P0AGD6)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004784    superoxide dismutase activity    Catalysis of the reaction: 2 superoxide + 2 H+ = O2 + hydrogen peroxide.
biological process
    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:0019430    removal of superoxide radicals    Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
    GO:0006801    superoxide metabolic process    The chemical reactions and pathways involving superoxide, the superoxide anion O2- (superoxide free radical), or any compound containing this species.

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 Related Entries

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

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        SODF_ECO57 | P0AGD5: 1isb 1isc
        SODF_ECOL6 | P0AGD4: 1isb 1isc
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(-) Related Entries Specified in the PDB File

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