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(-) Description

Title :  APO STRUCTURE OF PSEUDOMONAS AERUGINOSA ISOCHORISMATE-PYRUVATE LYASE I87T MUTANT
 
Authors :  Q. Luo, A. L. Lamb
Date :  14 May 09  (Deposition) - 30 Jun 09  (Release) - 30 Jun 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  C,D  (1x)
Biol. Unit 2:  A,B  (1x)
Keywords :  Siderophore Biosynthesis, Pyochelin, Isochorismate-Pyruvate Lyase, Chorismate Mutase, Pchb, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Q. Luo, J. Olucha, A. L. Lamb
Structure-Function Analyses Of Isochorismate-Pyruvate Lyase From Pseudomonas Aeruginosa Suggest Differing Catalytic Mechanisms For The Two Pericyclic Reactions Of This Bifunctional Enzyme
Biochemistry V. 48 5239 2009
PubMed-ID: 19432488  |  Reference-DOI: 10.1021/BI900456E
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SALICYLATE BIOSYNTHESIS PROTEIN PCHB
    ChainsC, D, A, B
    EC Number4.1.99.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET29B
    Expression System StrainBL21(DE3)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GenePCHB, PA4230
    MutationYES
    Organism ScientificPSEUDOMONAS AERUGINOSA
    Organism Taxid287
    StrainPAO1

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)  CD
Biological Unit 2 (1x)AB  

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:15 , ASP A:18 , GLU D:15 , ASP D:18BINDING SITE FOR RESIDUE CA D 99

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Ile D:48 -Pro D:49

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 3)

Asymmetric Unit (1, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CHORISMATE_MUT_2PS51168 Chorismate mutase domain profile.PCHB_PSEAE4-94
 
 
  3A:4-94
C:4-94
D:4-94
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CHORISMATE_MUT_2PS51168 Chorismate mutase domain profile.PCHB_PSEAE4-94
 
 
  2-
C:4-94
D:4-94
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CHORISMATE_MUT_2PS51168 Chorismate mutase domain profile.PCHB_PSEAE4-94
 
 
  1A:4-94
-
-

(-) Exons   (0, 0)

(no "Exon" information available for 3HGW)

(-) 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:81
 aligned with PCHB_PSEAE | Q51507 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:93
                                    11        21        31        41        51        61        71        81        91   
            PCHB_PSEAE    2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAASRFKASEAAIPAPERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYIAEQIKYW 94
               SCOP domains d3hgwa_ A: automated matches                                                                  SCOP domains
               CATH domains --------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh------------hhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CHORISMATE_MUT_2  PDB: A:4-94 UniProt: 4-94                                                 PROSITE
                 Transcript --------------------------------------------------------------------------------------------- Transcript
                  3hgw A  2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAASRFKA------------AMLPERARWAEENGLDAPFVEGLFAQIIHWYTAEQIKYW 94
                                    11        21        31        41 |       -    |   61        71        81        91   
                                                                    43           56                                      

Chain B from PDB  Type:PROTEIN  Length:75
 aligned with PCHB_PSEAE | Q51507 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:84
                                    19        29        39        49        59        69        79        89    
            PCHB_PSEAE   10 LADIREAIDRIDLDIVQALGRRMDYVKAASRFKASEAAIPAPERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYIAEQIKY 93
               SCOP domains d3hgwb_ B: automated matches                                                         SCOP domains
               CATH domains ------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh---------hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE CHORISMATE_MUT_2  PDB: - UniProt: 4-94                                               PROSITE
                 Transcript ------------------------------------------------------------------------------------ Transcript
                  3hgw B 10 LADIREAIDRIDLDIVQALGRRMDYVKAASRF---------PERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYTAEQIKY 93
                                    19        29        39 |       - |      59        69        79        89    
                                                          41        51                                          

Chain C from PDB  Type:PROTEIN  Length:83
 aligned with PCHB_PSEAE | Q51507 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:97
                                    11        21        31        41        51        61        71        81        91       
            PCHB_PSEAE    2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAASRFKASEAAIPAPERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYIAEQIKYWRQTR 98
               SCOP domains d3hgwc_ C: automated matches                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh--------------...hhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CHORISMATE_MUT_2  PDB: C:4-94 UniProt: 4-94                                                ---- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
                  3hgw C  2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAAS--------------VAAMLPERARWAEENGLDAPFVEGLFAQIIHWYTAEQIKYWRQTR 98
                                    11        21        31       | -         -  |     61        71        81        91       
                                                                39             54                                            

Chain D from PDB  Type:PROTEIN  Length:97
 aligned with PCHB_PSEAE | Q51507 from UniProtKB/Swiss-Prot  Length:101

    Alignment length:97
                                    11        21        31        41        51        61        71        81        91       
            PCHB_PSEAE    2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAASRFKASEAAIPAPERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYIAEQIKYWRQTR 98
               SCOP domains d3hgwd_ D: automated matches                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh.hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CHORISMATE_MUT_2  PDB: D:4-94 UniProt: 4-94                                                ---- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
                  3hgw D  2 KTPEDCTGLADIREAIDRIDLDIVQALGRRMDYVKAASRFKASEAAIPAPERVAAMLPERARWAEENGLDAPFVEGLFAQIIHWYTAEQIKYWRQTR 98
                                    11        21        31        41        51        61        71        81        91       

   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 Unit

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (PCHB_PSEAE | Q51507)
molecular function
    GO:0016835    carbon-oxygen lyase activity    Catalysis of the breakage of a carbon-oxygen bond.
    GO:0004106    chorismate mutase activity    Catalysis of the reaction: chorismate = prephenate.
    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.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
    GO:0046417    chorismate metabolic process    The chemical reactions and pathways involving chorismate, the anion of (3R-trans)-3-((1-carboxyethenyl)oxy)-4-hydroxy-1,5-cyclohexadiene-1-carboxylic acid.
    GO:0042864    pyochelin biosynthetic process    The chemical reactions and pathways resulting in the formation of the siderochrome pyochelin (2-(2-o-hydroxyphenyl-2-thiazolin-4-yl)-3-methylthiazolidine-4-carboxylic acid).
    GO:0009697    salicylic acid biosynthetic process    The chemical reactions and pathways resulting in the formation of salicylic acid (2-hydroxybenzoic acid), a derivative of benzoic acid.

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 Related Entries

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

UniProtKB/Swiss-Prot
        PCHB_PSEAE | Q515072h9c 2h9d 3hgx 3rem 3ret

(-) Related Entries Specified in the PDB File

2h9c 2h9d 3hgx