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(-) Description

Title :  KINETIC AND STRUCTURAL CHARACTERIZATION OF A HETEROHEXAMER 4-OXALOCROTONATE TAUTOMERASE FROM CHLOROFLEXUS AURANTIACUS J-10-FL: IMPLICATIONS FOR FUNCTIONAL AND STRUCTURAL DIVERSITY IN THE TAUTOMERASE SUPERFAMILY
 
Authors :  E. A. Burks, C. D. Fleming, A. D. Mesecar, C. P. Whitman, S. D. Pegan
Date :  24 Mar 10  (Deposition) - 02 Jun 10  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.41
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J,K,L
Biol. Unit 1:  A,B,C,D,E,F  (1x)
Biol. Unit 2:  G,H,I,J,K,L  (1x)
Keywords :  Trans-3-Chloroacrylic Acid Dehalogenase, Caad, Dehalogenase, Hydrolase, 4-Oxalocrotonate Tautomerase, 4-Ot, Heterohexamer, Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. A. Burks, C. D. Fleming, A. D. Mesecar, C. P. Whitman, S. D. Pegan
Kinetic And Structural Characterization Of A Heterohexamer 4-Oxalocrotonate Tautomerase From Chloroflexus Aurantiacus J-10-Fl: Implications For Functional And Structural Diversity In The Tautomerase Superfamily
Biochemistry V. 49 5016 2010
PubMed-ID: 20465238  |  Reference-DOI: 10.1021/BI100502Z

(-) Compounds

Molecule 1 - 4-OXALOCROTONATE TAUTOMERASE FAMILY ENZYME - ALPHA SUBUNIT
    Chains: A, C, E, G, I, K
    EC Number: 5.3.2.2
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET24A
    Expression System Strain: BL21-GOLD(DE3),
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: 4-OXALOCROTONATE TAUTOMERASE, CAUR_1354
    Organism Scientific: CHLOROFLEXUS AURANTIACUS
    Organism Taxid: 324602
    Strain: J-10-FL
 
Molecule 2 - 4-OXALOCROTONATE TAUTOMERASE FAMILY ENZYME - BETA SUBUNIT
    Chains: B, D, F, H, J, L
    EC Number: 5.3.2.2
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET24A
    Expression System Strain: BL21-GOLD(DE3),
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: 4-OXALOCROTONATE TAUTOMERASE, CAUR_1358
    Organism Scientific: CHLOROFLEXUS AURANTIACUS
    Organism Taxid: 324602
    Strain: J-10-FL

 Structural Features

(-) Chains, Units

  123456789101112
Asymmetric Unit : ABCDEFGHIJKL
Biological Unit 1 (1x): ABCDEF      
Biological Unit 2 (1x):       GHIJKL

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 17)

Asymmetric Unit (1, 17)
No.NameCountTypeFull Name
1SO417Ligand/IonSULFATE ION
Biological Unit 1 (1, 9)
No.NameCountTypeFull Name
1SO49Ligand/IonSULFATE ION
Biological Unit 2 (1, 8)
No.NameCountTypeFull Name
1SO48Ligand/IonSULFATE ION

(-) Sites  (17, 17)

Asymmetric Unit (17, 17)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREMET A:8 , LEU A:9 , ARG A:12 , HOH A:130 , PRO D:1 , SO4 E:73BINDING SITE FOR RESIDUE SO4 A 73
02AC2SOFTWARETHR A:14 , LYS A:17 , THR C:49 , HIS C:50BINDING SITE FOR RESIDUE SO4 A 74
03AC3SOFTWAREPRO B:1 , ARG B:39 , ARG C:40 , TRP E:51 , VAL E:53 , MET E:58BINDING SITE FOR RESIDUE SO4 C 73
04AC4SOFTWARETHR C:14 , LYS C:17 , THR E:49 , HIS E:50BINDING SITE FOR RESIDUE SO4 C 74
05AC5SOFTWAREMET C:8 , LEU C:9 , ARG C:12 , HOH C:232 , PRO F:1 , SO4 F:73 , HOH F:243BINDING SITE FOR RESIDUE SO4 C 75
06AC6SOFTWAREHOH C:187 , ASP D:14 , ARG D:17 , HOH D:172 , ARG F:17BINDING SITE FOR RESIDUE SO4 D 73
07AC7SOFTWARETRP A:51 , SO4 A:73 , ARG D:39 , HOH D:79 , ARG E:40BINDING SITE FOR RESIDUE SO4 E 73
08AC8SOFTWARETHR A:49 , HIS A:50 , THR E:14 , LYS E:17 , HOH E:96BINDING SITE FOR RESIDUE SO4 E 74
09AC9SOFTWAREARG A:40 , TRP C:51 , SO4 C:75 , ARG F:39 , HOH F:159 , HOH F:197BINDING SITE FOR RESIDUE SO4 F 73
10BC1SOFTWARETHR G:14 , LYS G:17 , HOH G:239 , HOH G:244 , THR I:49 , HIS I:50BINDING SITE FOR RESIDUE SO4 G 73
11BC2SOFTWAREASP B:14 , ARG B:15 , THR B:16 , ARG H:15 , HOH H:206BINDING SITE FOR RESIDUE SO4 H 73
12BC3SOFTWAREARG H:39 , ARG I:40 , HOH I:184 , TRP K:51 , MET K:58BINDING SITE FOR RESIDUE SO4 I 73
13BC4SOFTWARETHR I:14 , LYS I:17 , THR K:49 , HIS K:50BINDING SITE FOR RESIDUE SO4 I 74
14BC5SOFTWARETRP G:51 , ARG J:39 , ARG K:40 , HOH K:106 , HOH K:218BINDING SITE FOR RESIDUE SO4 K 73
15BC6SOFTWAREHOH E:149 , THR G:49 , HIS G:50 , THR K:14 , LYS K:17 , HOH K:79BINDING SITE FOR RESIDUE SO4 K 74
16BC7SOFTWAREARG G:40 , TRP I:51 , ARG L:39 , HOH L:165BINDING SITE FOR RESIDUE SO4 L 73
17BC8SOFTWAREHOH I:226 , ASP J:14 , ARG J:17 , ARG L:17 , HOH L:208BINDING SITE FOR RESIDUE SO4 L 74

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3MB2)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Leu C:61 -Arg C:62
2Glu E:60 -Leu E:61

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3MB2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3MB2)

(-) Exons   (0, 0)

(no "Exon" information available for 3MB2)

(-) 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:61
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:61
                                    10        20        30        40        50        60 
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
               SCOP domains ------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhh.eeeeeeeehhh.eee..ee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  3mb2 A  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
                                    10        20        30        40        50        60 


Chain B from PDB  Type:PROTEIN  Length:59
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:59
                                    11        21        31        41        51         
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDLD 60
               SCOP domains ----------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------- Transcript
                  3mb2 B  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDLD 59
                                    10        20        30        40        50         


Chain C from PDB  Type:PROTEIN  Length:62
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:62
                                    10        20        30        40        50        60  
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAELR 62
               SCOP domains -------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhh.eeeeeeee....eee..ee..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------- Transcript
                  3mb2 C  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAELR 62
                                    10        20        30        40        50        60  


Chain D from PDB  Type:PROTEIN  Length:58
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:58
                                    11        21        31        41        51        
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDL 59
               SCOP domains ---------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------- Transcript
                  3mb2 D  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDL 58
                                    10        20        30        40        50        


Chain E from PDB  Type:PROTEIN  Length:61
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:61
                                    10        20        30        40        50        60 
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
               SCOP domains ------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhhh.eeeeeeehhh.eee..ee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  3mb2 E  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
                                    10        20        30        40        50        60 


Chain F from PDB  Type:PROTEIN  Length:54
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:54
                                    11        21        31        41        51    
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLA 55
               SCOP domains ------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------ Transcript
                  3mb2 F  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLA 54
                                    10        20        30        40        50    


Chain G from PDB  Type:PROTEIN  Length:61
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:61
                                    10        20        30        40        50        60 
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
               SCOP domains ------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhh.eeeeeeee....eee..ee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  3mb2 G  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAEL 61
                                    10        20        30        40        50        60 


Chain H from PDB  Type:PROTEIN  Length:58
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:58
                                    11        21        31        41        51        
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDL 59
               SCOP domains ---------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------- Transcript
                  3mb2 H  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDL 58
                                    10        20        30        40        50        


Chain I from PDB  Type:PROTEIN  Length:60
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:60
                                    10        20        30        40        50        60
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAE 60
               SCOP domains ------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhh.eeeeeeee....eee..ee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                  3mb2 I  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAE 60
                                    10        20        30        40        50        60


Chain J from PDB  Type:PROTEIN  Length:59
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:59
                                    11        21        31        41        51         
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDLD 60
               SCOP domains ----------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------- Transcript
                  3mb2 J  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLAVIDLD 59
                                    10        20        30        40        50         


Chain K from PDB  Type:PROTEIN  Length:62
 aligned with A9W9U6_CHLAA | A9W9U6 from UniProtKB/TrEMBL  Length:72

    Alignment length:62
                                    10        20        30        40        50        60  
          A9W9U6_CHLAA    1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAELR 62
               SCOP domains -------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------- CATH domains
           Pfam domains (1) --Tautomerase-3mb2K01 K:3-61                                 - Pfam domains (1)
           Pfam domains (2) --Tautomerase-3mb2K02 K:3-61                                 - Pfam domains (2)
           Pfam domains (3) --Tautomerase-3mb2K03 K:3-61                                 - Pfam domains (3)
           Pfam domains (4) --Tautomerase-3mb2K04 K:3-61                                 - Pfam domains (4)
           Pfam domains (5) --Tautomerase-3mb2K05 K:3-61                                 - Pfam domains (5)
           Pfam domains (6) --Tautomerase-3mb2K06 K:3-61                                 - Pfam domains (6)
         Sec.struct. author .eeeeeeee...hhhhhhhhhhhhhhhhhhhhh.hhhh.eeeeeee....eee..ee.hhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------- Transcript
                  3mb2 K  1 MLLLRITMLEGRSTEQKAELARALSAAAAAAFDVPLAEVRLIIQEVPPTHWTVGGISMAELR 62
                                    10        20        30        40        50        60  


Chain L from PDB  Type:PROTEIN  Length:54
 aligned with A9W9V0_CHLAA | A9W9V0 from UniProtKB/TrEMBL  Length:73

    Alignment length:54
                                    11        21        31        41        51    
          A9W9V0_CHLAA    2 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLA 55
               SCOP domains ------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeee......hhhhhhhhhhhhhhhhhhhhh......eeeeee.hhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------ Transcript
                  3mb2 L  1 PMLEVFYSGDRPPDRTRKQAFAAEASAIFQRVIGTPPGRLQLIIQIVSPENTLA 54
                                    10        20        30        40        50
   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  (0, 0)

(no "SCOP Domain" information available for 3MB2)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3MB2)

(-) Pfam Domains  (1, 6)

Asymmetric Unit
(-)
Clan: MIF (36)

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A,C,E,G,I,K   (A9W9U6_CHLAA | A9W9U6)
molecular function
    GO:0016853    isomerase activity    Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
biological process
    GO:0006725    cellular aromatic compound metabolic process    The chemical reactions and pathways involving aromatic compounds, any organic compound characterized by one or more planar rings, each of which contains conjugated double bonds and delocalized pi electrons, as carried out by individual cells.

Chain B,D,F,H,J,L   (A9W9V0_CHLAA | A9W9V0)

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  A9W9U6_CHLAA | A9W9U6
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)
  A9W9V0_CHLAA | A9W9V0
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

(no "Entries Sharing at Least One Protein Chain" available for 3MB2)

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3MB2)