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(-) Description

Title :  CRYSTAL STRUCTURE OF E. FAECALIS CATALASE
 
Authors :  K. O. Hakansson, M. Brugna, L. Tasse
Date :  28 Feb 04  (Deposition) - 04 May 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  N-Terminal Arm; Anti-Parallel Beta-Barrel; Wrapping Region; C- Terminal Helical Region; Tetramer; Heme Group, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. O. Hakansson, M. Brugna, L. Tasse
The Three-Dimensional Structure Of Catalase From Enterococcus Faecalis.
Acta Crystallogr. , Sect. D V. 60 1374 2004
PubMed-ID: 15272159  |  Reference-DOI: 10.1107/S0907444904012004
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CATALASE
    Chains: A, B, C, D
    EC Number: 1.11.1.6
    Engineered: YES
    Expression System: BACILLUS SUBTILIS
    Expression System Plasmid: PHPSK
    Expression System Strain: 168A
    Expression System Taxid: 1423
    Expression System Vector Type: PLASMID
    Gene: KATA
    Organism Scientific: ENTEROCOCCUS FAECALIS
    Organism Taxid: 226185
    Strain: V583
    Synonym: CATALASE/PEROXIDASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 14)

Asymmetric/Biological Unit (3, 14)
No.NameCountTypeFull Name
1CL2Ligand/IonCHLORIDE ION
2HEM4Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
3SO48Ligand/IonSULFATE ION

(-) Sites  (14, 14)

Asymmetric Unit (14, 14)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLY A:15 , ASP A:16 , HIS A:35 , HOH A:2033 , HOH A:2073 , HOH A:2078 , HOH A:2117 , HOH A:2251 , HOH D:2075BINDING SITE FOR RESIDUE SO4 A 2001
02AC2SOFTWAREVAL B:14 , GLY B:15 , ASP B:16 , HIS B:35 , HOH B:2016 , HOH B:2092 , HOH B:2128 , HOH B:2129 , HOH C:2081 , HOH D:2182BINDING SITE FOR RESIDUE SO4 B 2002
03AC3SOFTWAREHOH B:2117 , GLY C:15 , ASP C:16 , HIS C:35 , HOH C:2232 , HOH C:2290 , HOH C:2301 , HOH C:2322BINDING SITE FOR RESIDUE SO4 C 2003
04AC4SOFTWAREHOH A:2045 , VAL D:14 , GLY D:15 , ASP D:16 , HIS D:35 , HOH D:2245 , HOH D:2290 , HOH D:2308 , HOH D:2313 , HOH D:2347BINDING SITE FOR RESIDUE SO4 D 2004
05AC5SOFTWAREARG A:182 , HIS A:192 , LYS A:216BINDING SITE FOR RESIDUE SO4 A 2005
06AC6SOFTWAREARG B:182 , HIS B:192 , LYS B:216BINDING SITE FOR RESIDUE SO4 B 2006
07AC7SOFTWAREARG C:182 , HIS C:192 , LYS C:216 , HOH C:2316BINDING SITE FOR RESIDUE SO4 C 2007
08AC8SOFTWAREARG D:182 , HIS D:192 , LYS D:216BINDING SITE FOR RESIDUE SO4 D 2008
09AC9SOFTWAREARG A:45 , ARG B:45 , HOH D:2114BINDING SITE FOR RESIDUE CL A 2009
10BC1SOFTWAREHOH A:2150 , HOH B:2255 , ARG C:45 , ARG D:45BINDING SITE FOR RESIDUE CL C 2010
11BC2SOFTWAREARG A:51 , VAL A:52 , VAL A:53 , HIS A:54 , ARG A:91 , GLY A:110 , PHE A:111 , VAL A:125 , GLY A:126 , ASN A:127 , ALA A:137 , PHE A:140 , SER A:196 , PHE A:313 , LEU A:329 , ARG A:333 , TYR A:337 , ALA A:340 , HIS A:341 , ARG A:344 , HOH A:2023 , HOH A:2038 , HOH A:2124 , HOH A:2179 , ASN D:44BINDING SITE FOR RESIDUE HEM A 501
12BC3SOFTWAREARG B:51 , VAL B:52 , VAL B:53 , HIS B:54 , ARG B:91 , GLY B:110 , PHE B:111 , VAL B:125 , GLY B:126 , ASN B:127 , ALA B:137 , PHE B:140 , SER B:196 , PHE B:313 , LEU B:329 , ARG B:333 , TYR B:337 , HIS B:341 , ARG B:344 , HOH B:2014 , HOH B:2075 , HOH B:2096 , HOH B:2166 , ASN C:44BINDING SITE FOR RESIDUE HEM B 501
13BC4SOFTWAREASN B:44 , ARG C:51 , VAL C:52 , VAL C:53 , HIS C:54 , ARG C:91 , GLY C:110 , PHE C:111 , VAL C:125 , GLY C:126 , ASN C:127 , ALA C:137 , PHE C:140 , SER C:196 , PHE C:313 , LEU C:329 , ARG C:333 , TYR C:337 , HIS C:341 , ARG C:344 , HOH C:2014 , HOH C:2017 , HOH C:2047 , HOH C:2110BINDING SITE FOR RESIDUE HEM C 501
14BC5SOFTWAREASN A:44 , ARG D:51 , VAL D:52 , VAL D:53 , HIS D:54 , ARG D:91 , GLY D:110 , PHE D:111 , VAL D:125 , GLY D:126 , ASN D:127 , ALA D:137 , PHE D:140 , SER D:196 , PHE D:313 , LEU D:329 , ARG D:333 , TYR D:337 , HIS D:341 , ARG D:344 , HOH D:2015 , HOH D:2021 , HOH D:2024 , HOH D:2328BINDING SITE FOR RESIDUE HEM D 501

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1SI8)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Glu A:382 -Pro A:383
2Glu B:382 -Pro B:383
3Glu C:382 -Pro C:383
4Glu D:382 -Pro D:383

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1SI8)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1SI8)

(-) Exons   (0, 0)

(no "Exon" information available for 1SI8)

(-) 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:474
 aligned with Q834P5_ENTFA | Q834P5 from UniProtKB/TrEMBL  Length:478

    Alignment length:474
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    
         Q834P5_ENTFA     4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
               SCOP domains d1si8a_ A: Catalase I                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .................eee.........hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh....eeeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeeehhhhh.hhhhhh.............eeeeeeeeee...hhhhhh.............ee...hhhhhhhhhhhhhhhhhhh..hhhhhhhhh....................................hhhhh.........eee.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1si8 A   4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    


Chain B from PDB  Type:PROTEIN  Length:474
 aligned with Q834P5_ENTFA | Q834P5 from UniProtKB/TrEMBL  Length:478

    Alignment length:474
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    
         Q834P5_ENTFA     4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
               SCOP domains d1si8b_ B: Catalase I                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .................eee.........hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh....eeeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeeehhhhh.hhhhhh.............eeeeeeeeee...hhhhhh.............ee...hhhhhhhhhhhhhhhhhhh..hhhhhhhhh....................................hhhhh.........eee.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1si8 B   4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    


Chain C from PDB  Type:PROTEIN  Length:474
 aligned with Q834P5_ENTFA | Q834P5 from UniProtKB/TrEMBL  Length:478

    Alignment length:474
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    
         Q834P5_ENTFA     4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
               SCOP domains d1si8c_ C: Catalase I                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .................eee.........hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh....eeeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeee.hhhhhhhhhhh.............eeeeeeeeee...hhhhhh.............ee...hhhhhhhhhhhhhhhhhhh..hhhhhhhhh....................................hhhhh...ee...eeee.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1si8 C   4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    


Chain D from PDB  Type:PROTEIN  Length:474
 aligned with Q834P5_ENTFA | Q834P5 from UniProtKB/TrEMBL  Length:478

    Alignment length:474
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473    
         Q834P5_ENTFA     4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
               SCOP domains d1si8d_ D: Catalase I                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) ---Catalase-1si8D05 D:7-390                                                                                                                                                                                                                                                                                                                                                                        ------------------Catalase-rel-1si8D01 D:409-475                                     -- Pfam domains (1)
           Pfam domains (2) ---Catalase-1si8D06 D:7-390                                                                                                                                                                                                                                                                                                                                                                        ------------------Catalase-rel-1si8D02 D:409-475                                     -- Pfam domains (2)
           Pfam domains (3) ---Catalase-1si8D07 D:7-390                                                                                                                                                                                                                                                                                                                                                                        ------------------Catalase-rel-1si8D03 D:409-475                                     -- Pfam domains (3)
           Pfam domains (4) ---Catalase-1si8D08 D:7-390                                                                                                                                                                                                                                                                                                                                                                        ------------------Catalase-rel-1si8D04 D:409-475                                     -- Pfam domains (4)
         Sec.struct. author .................eee.........hhhhhhhhhhhhh...........eeeeeeeeee.........hhhhh....eeeeeeeee................eeeeeeee..eeeeeeee........hhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhh.ee....eeee.....eeeeeeeeee.......hhhhhhhhhhhh.hhhhhhhhhhhhh....eeeeeeeeeehhhhh.hhhhhh.............eeeeeeeeee...hhhhhh.............ee...hhhhhhhhhhhhhhhhhhh..hhhhhhhhh....................................hhhhh...ee...eeee.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1si8 D   4 QHLTTSQGSPVGDNQNSLTAGEFGPVLIQDVHLLEKLAHFNRERVPERVVHAKGAGAHGIFKVSQSMAQYTKADFLSEVGKETPLFARFSTVAGELGSSDTLRDPRGFALKFYTDEGNYDLVGNNTPIFFIRDAIKFPDFIHSQKRNPRTHLKSPEAVWDFWSHSPESLHQVTILMSDRGIPLSFRHMHGFGSHTFKWVNAAGEVFFVKYHFKTNQGIKNLESQLAEEIAGKNPDFHIEDLHNAIENQEFPSWTLSVQIIPYADALTMKETLFDVTKTVSQKEYPLIEVGTMTLNRNPENYFAEVEQVTFSPGNFVPGIEASPDKLLQGRLFAYGDAHRHRVGANSHQLPINQAKAPVNNYQKDGNMRFNNGNSEINYEPNSYTETPKEDPTAKISSFEVEGNVGNYSYNQDHFTQANALYNLLPSEEKENLINNIAASLGQVKNQEIIARQIDLFTRVNPEYGARVAQAIKQQ 477
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473
   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, 4)

Asymmetric/Biological Unit
(-)
Class: Multi-domain proteins (alpha and beta) (2421)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1SI8)

(-) Pfam Domains  (2, 8)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Catalase-rel] (18)
(-)
Clan: no clan defined [family: Catalase] (19)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D   (Q834P5_ENTFA | Q834P5)
molecular function
    GO:0004096    catalase activity    Catalysis of the reaction: 2 hydrogen peroxide = O2 + 2 H2O.
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    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: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:0042744    hydrogen peroxide catabolic process    The chemical reactions and pathways resulting in the breakdown of hydrogen peroxide (H2O2).
    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.

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