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(-) Description

Title :  MACA-H93G
 
Authors :  J. Seidel
Date :  05 Dec 11  (Deposition) - 17 Oct 12  (Release) - 17 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Oxidoreductase, Multiheme Cytochromes, Conformational Rearrangement (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Seidel, M. Hoffmann, K. E. Ellis, A. Seidel, T. Spatzal, S. Gerhardt S. J. Elliott, O. Einsle
Maca Is A Second Cytochrome C Peroxidase Of Geobacter Sulfurreducens.
Biochemistry V. 51 2747 2012
PubMed-ID: 22417533  |  Reference-DOI: 10.1021/BI300249U

(-) Compounds

Molecule 1 - CYTOCHROME C551 PEROXIDASE
    Chains: A, B
    EC Number: 1.11.1.5
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PETSN22
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Variant: STAR
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 23-346
    Mutation: YES
    Organism Scientific: GEOBACTER SULFURREDUCENS
    Organism Taxid: 243231
    Other Details: DSM
    Strain: PCA
    Synonym: CYTOCHROME C PEROXIDASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 17)

Asymmetric/Biological Unit (3, 17)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2HEC4Ligand/IonHEME C
3SO411Ligand/IonSULFATE ION

(-) Sites  (17, 17)

Asymmetric Unit (17, 17)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREILE A:71 , SER A:72 , CYS A:73 , CYS A:76 , HIS A:77 , ARG A:100 , PRO A:103 , ASN A:111 , PHE A:115 , TRP A:116 , PRO A:130 , SER A:134 , MET A:137 , ASN A:138 , ILE A:178 , GLU A:182 , ARG A:268 , HOH A:2061 , HOH A:2065 , HOH A:2070BINDING SITE FOR RESIDUE HEC A 400
02AC2SOFTWARETRP A:116 , CYS A:219 , CYS A:222 , HIS A:223 , PHE A:236 , VAL A:238 , PHE A:267 , ARG A:268 , SER A:269 , PRO A:270 , LEU A:272 , TYR A:281 , PHE A:282 , HIS A:283 , MET A:297 , HOH A:2059 , HOH A:2132 , HOH A:2140 , HOH A:2169BINDING SITE FOR RESIDUE HEC A 401
03AC3SOFTWAREASN A:101 , THR A:278 , PRO A:280 , HOH A:2051 , HOH A:2052 , HOH A:2059 , HOH A:2140BINDING SITE FOR RESIDUE CA A 402
04AC4SOFTWARESER A:49 , PRO A:50 , SER A:51 , LYS A:160BINDING SITE FOR RESIDUE SO4 A1349
05AC5SOFTWAREARG A:239 , GLU A:240 , HIS A:283 , LYS A:286BINDING SITE FOR RESIDUE SO4 A1350
06AC6SOFTWAREPRO A:37 , ALA A:38 , LYS A:39BINDING SITE FOR RESIDUE SO4 A1351
07AC7SOFTWARELYS A:128 , GLY A:129 , PRO A:130 , VAL A:131 , GLN A:132 , GLU A:179 , HOH A:2079BINDING SITE FOR RESIDUE SO4 A1352
08AC8SOFTWARETHR A:316 , ASN A:319BINDING SITE FOR RESIDUE SO4 A1353
09AC9SOFTWARELYS A:327 , ARG B:57 , MET B:329BINDING SITE FOR RESIDUE SO4 A1354
10BC1SOFTWAREILE B:71 , SER B:72 , CYS B:73 , CYS B:76 , HIS B:77 , ARG B:100 , PRO B:103 , ASN B:111 , PHE B:115 , TRP B:116 , PRO B:130 , SER B:134 , MET B:137 , ASN B:138 , ILE B:178 , GLU B:182 , ARG B:268 , HOH B:2039 , HOH B:2043 , HOH B:2047 , HOH B:2048BINDING SITE FOR RESIDUE HEC B 400
11BC2SOFTWARETRP B:116 , GLY B:218 , CYS B:219 , CYS B:222 , HIS B:223 , GLY B:237 , VAL B:238 , PHE B:267 , ARG B:268 , SER B:269 , PRO B:270 , LEU B:272 , TYR B:281 , PHE B:282 , HIS B:283 , LEU B:290 , MET B:297 , HOH B:2037 , HOH B:2088 , HOH B:2095 , HOH B:2130BINDING SITE FOR RESIDUE HEC B 401
12BC3SOFTWAREASN B:101 , THR B:278 , PRO B:280 , HOH B:2029 , HOH B:2030 , HOH B:2037 , HOH B:2095BINDING SITE FOR RESIDUE CA B 402
13BC4SOFTWAREGLN B:126 , GLY B:129 , PRO B:130 , VAL B:131 , GLN B:132 , ALA B:175BINDING SITE FOR RESIDUE SO4 B1348
14BC5SOFTWAREPRO B:37 , ALA B:38BINDING SITE FOR RESIDUE SO4 B1349
15BC6SOFTWAREGLU A:54 , ARG A:57 , MET A:329 , VAL A:332 , LYS B:327BINDING SITE FOR RESIDUE SO4 B1350
16BC7SOFTWAREVAL B:238 , ARG B:239 , GLU B:240 , HIS B:283 , LYS B:286BINDING SITE FOR RESIDUE SO4 B1351
17BC8SOFTWARESER B:49 , PRO B:50 , SER B:51BINDING SITE FOR RESIDUE SO4 B1352

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4AAO)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Met A:279 -Pro A:280
2Met B:279 -Pro B:280

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4AAO)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4AAO)

(-) Exons   (0, 0)

(no "Exon" information available for 4AAO)

(-) 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:303
 aligned with Q74FY6_GEOSL | Q74FY6 from UniProtKB/TrEMBL  Length:346

    Alignment length:324
                                    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    
         Q74FY6_GEOSL    23 EDVMKRAQGLFKPIPAKPPVMKDNPASPSRVELGRMLFFDPRLSASHLISCNTCHNVGLGGTDILETSIGHGWQKGPRNSPTVLNAVYNIAQFWDGRAEDLAAQAKGPVQASVEMNNKPENLVATLKSIPGYPPLFRKAFPGQGDPVTFDNVAKAIEVFEATLVTPDAPFDKYLKGNRKAISSTAEQGLALFLDKGCAACHSGVNMGGTGYFPFGVREDPGPVVRPVDDTGRYKVTSTAADKYVFRSPSLRNVAITMPYFHSGKVWKLKDAVKIMGSAQLGISITDADADKIVTFLNTLTGAQPKVMHPVLPPNSDDTPRPVSN 346
               SCOP domains d4aaoa1 A:23-188 automated matches                                                                                                                                    d4aaoa2 A:189-346 automated matches                                                                                                                            SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhh...............hhhhhhhhhhhhhhhhhh.....hhhhhhhhhhh........-------.........hhhhh.....eeehhhhhh-..hhhhhhhhh..hhhhhhhhhhh..hhhhhhhhhh.......hhhhhhhhhhhhhh......hhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh..........ee..eeee.-------------.eeee.....eeee.....hhhhh..........hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh........................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4aao A  23 EDVMKRAQGLFKPIPAKPPVMKDNPASPSRVELGRMLFFDPRLSASHLISCNTCHNVGLGGTDILETS-------GPRNSPTVLNAVYNIAQFWDGRAEDLAA-AKGPVQASVEMNNKPENLVATLKSIPGYPPLFRKAFPGQGDPVTFDNVAKAIEVFEATLVTPDAPFDKYLKGNRKAISSTAEQGLALFLDKGCAACHSGVNMGGTGYFPFGVRED-------------YKVTSTAADKYVFRSPSLRNVAITMPYFHSGKVWKLKDAVKIMGSAQLGISITDADADKIVTFLNTLTGAQPKVMHPVLPPNSDDTPRPVSN 346
                                    32        42        52        62        72        82       | -     | 102       112       122  | |  132       142       152       162       172       182       192       202       212       222       232        |-         -  |    262       272       282       292       302       312       322       332       342    
                                                                                              90      98                        125 |                                                                                                               241           255                                                                                           
                                                                                                                                  127                                                                                                                                                                                                                           


Chain B from PDB  Type:PROTEIN  Length:305
 aligned with Q74FY6_GEOSL | Q74FY6 from UniProtKB/TrEMBL  Length:346

    Alignment length:323
                                    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   
         Q74FY6_GEOSL    23 EDVMKRAQGLFKPIPAKPPVMKDNPASPSRVELGRMLFFDPRLSASHLISCNTCHNVGLGGTDILETSIGHGWQKGPRNSPTVLNAVYNIAQFWDGRAEDLAAQAKGPVQASVEMNNKPENLVATLKSIPGYPPLFRKAFPGQGDPVTFDNVAKAIEVFEATLVTPDAPFDKYLKGNRKAISSTAEQGLALFLDKGCAACHSGVNMGGTGYFPFGVREDPGPVVRPVDDTGRYKVTSTAADKYVFRSPSLRNVAITMPYFHSGKVWKLKDAVKIMGSAQLGISITDADADKIVTFLNTLTGAQPKVMHPVLPPNSDDTPRPVS 345
               SCOP domains d4aaob1 B:23-188 automated matches                                                                                                                                    d4aaob2 B:189-345 automated matches                                                                                                                           SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhh...............hhhhhhhhhhhhhhhhhh.....hhhhhhhhhhh........-------.........hhhhh.....eeehhhhhh...hhhhhhhhh..hhhhhhhhhhh..hhhhhhhhhh.......hhhhhhhhhhhhhh......hhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh..........ee.eeeee.-----------...eeeee....eeee.....hhhhh..........hhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......................... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4aao B  23 EDVMKRAQGLFKPIPAKPPVMKDNPASPSRVELGRMLFFDPRLSASHLISCNTCHNVGLGGTDILETS-------GPRNSPTVLNAVYNIAQFWDGRAEDLAAQAKGPVQASVEMNNKPENLVATLKSIPGYPPLFRKAFPGQGDPVTFDNVAKAIEVFEATLVTPDAPFDKYLKGNRKAISSTAEQGLALFLDKGCAACHSGVNMGGTGYFPFGVRED-----------GRYKVTSTAADKYVFRSPSLRNVAITMPYFHSGKVWKLKDAVKIMGSAQLGISITDADADKIVTFLNTLTGAQPKVMHPVLPPNSDDTPRPVS 345
                                    32        42        52        62        72        82       | -     | 102       112       122       132       142       152       162       172       182       192       202       212       222       232        |-         -|      262       272       282       292       302       312       322       332       342   
                                                                                              90      98                                                                                                                                            241         253
   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: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4AAO)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4AAO)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q74FY6_GEOSL | Q74FY6)
molecular function
    GO:0004130    cytochrome-c peroxidase activity    Catalysis of the reaction: 2 ferrocytochrome c + hydrogen peroxide = 2 ferricytochrome c + 2 H2O.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    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: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.

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 Related Entries

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

UniProtKB/TrEMBL
        Q74FY6_GEOSL | Q74FY6: 4aal 4aam 4aan

(-) Related Entries Specified in the PDB File

4aal MACA WILD-TYPE OXIDIZED
4aam MACA WILD-TYPE MIXED-VALENCE
4aan MACA WILD-TYPE FULLY REDUCED