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(-) Description

Title :  D99N EPI-ISOZIZAENE SYNTHASE
 
Authors :  J. A. Aaron, X. Lin, D. E. Cane, D. W. Christianson
Date :  20 Jan 10  (Deposition) - 09 Feb 10  (Release) - 09 Mar 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.89
Chains :  Asym./Biol. Unit :  A
Keywords :  Terpenoid Cyclase, Alpha-Helical Fold, Farnesyl Diphosphate, Metal-Binding, Magnesium, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. A. Aaron, X. Lin, D. E. Cane, D. W. Christianson
Structure Of Epi-Isozizaene Synthase From Streptomyces Coelicolor A3(2), A Platform For New Terpenoid Cyclization Templates
Biochemistry V. 49 1787 2010
PubMed-ID: 20131801  |  Reference-DOI: 10.1021/BI902088Z

(-) Compounds

Molecule 1 - EPI-ISOZIZAENE SYNTHASE
    Chains: A
    EC Number: 4.2.3.37
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21DE3
    Expression System Taxid: 562
    Gene: CYC1, SCO5222, SC7E4.19
    Mutation: YES
    Organism Scientific: STREPTOMYCES COELICOLOR
    Organism Taxid: 1902
    Synonym: EIZS, SESQUITERPENE SYNTHASE, SESQUITERPENE CYCLASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:163 , HIS A:164 , ARG A:220 , LYS A:221 , ARG A:226 , HOH A:394BINDING SITE FOR RESIDUE SO4 A 706

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ala A:250 -Gly A:251

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3LGK)

(-) 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:318
 aligned with CYC1_STRCO | Q9K499 from UniProtKB/Swiss-Prot  Length:361

    Alignment length:318
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327        
           CYC1_STRCO    18 PPSLRLPVIEAAFPRQLHPYWPKLQETTRTWLLEKRLMPADKVEEYADGLCYTDLMAGYYLGAPDEVLQAIADYSAWFFVWDDRHDRDIVHGRAGAWRRLRGLLHTALDSPGDHLHHEDTLVAGFADSVRRLYAFLPATWNARFARHFHTVIEAYDREFHNRTRGIVPGVEEYLELRRLTFAHWIWTDLLEPSSGCELPDAVRKHPAYRRAALLSQEFAAWYNDLCSLPKEIAGDEVHNLGISLITHHSLTLEEAIGEVRRRVEECITEFLAVERDALRFADELADGTVRGKELSGAVRANVGNMRNWFSSVYWFHHE 335
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ---------Terpene_synth_C-3lgkA01 A:27-288                                                                                                                                                                                                                                      ----------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhh......hhhhhhhhhhhhhhhh...hhhhhhhhhhh..hhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3lgk A  18 PPSLRLPVIEAAFPRQLHPYWPKLQETTRTWLLEKRLMPADKVEEYADGLCYTDLMAGYYLGAPDEVLQAIADYSAWFFVWNDRHDRDIVHGRAGAWRRLRGLLHTALDSPGDHLHHEDTLVAGFADSVRRLYAFLPATWNARFARHFHTVIEAYDREFHNRTRGIVPGVEEYLELRRLTFAHWIWTDLLEPSSGCELPDAVRKHPAYRRAALLSQEFAAWYNDLCSLPKEIAGDEVHNLGISLITHHSLTLEEAIGEVRRRVEECITEFLAVERDALRFADELADGTVRGKELSGAVRANVGNMRNWFSSVYWFHHE 335
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327
   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 3LGK)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 1)

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

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CYC1_STRCO | Q9K499)
molecular function
    GO:0052680    epi-isozizaene synthase activity    Catalysis of the reaction: 2-trans,6-trans-farnesyl diphosphate = (+)-epi-isozizaene + diphosphate.
    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.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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  Cis Peptide Bonds
    Ala A:250 - Gly A:251   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        CYC1_STRCO | Q9K499: 3kb9 3kbk 3lg5 4ltv 4ltz 4luu 4lxw 4lz0 4lz3 4lzc

(-) Related Entries Specified in the PDB File

3kb9 THE WT PROTEIN COMPLEXED WITH MG2+, INORGANIC PYROPHOSPHATE, AND BENZYL TRIETHYL AMMONIUM CATION.
3kbk THE WT PROTEIN COMPLEXED WITH HG.
3lg5 THE F198A MUTANT COMPLEXED WITH MG2+, INORGANIC PYROPHOSPHATE, AND BENZYL TRIETHYL AMMONIUM CATION.