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(-) Description

Title :  CRYSTAL STRUCTURE OF TEAS W273S FORM 2
 
Authors :  C. S. Starks, K. A. Rising, J. Chappell, J. P. Noel
Date :  12 Jan 01  (Deposition) - 24 Jun 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.32
Chains :  Asym./Biol. Unit :  A
Keywords :  Isoprenoid Synthase, Isoprenoid Cyclase, 5-Epi- Aristolochene Synthase, Isoprenoid Biosynthesis, Natural Products Biosynthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. S. Starks, K. A. Rising, J. Chappell, J. P. Noel
Single Active Site Mutations Change The Specificity Of A Sesquiterpene Cyclase
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 5-EPI-ARISTOLOCHENE SYNTHASE
    Chains: A
    EC Number: 4.1.99.7
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET28B(+)
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Common: COMMON TOBACCO
    Organism Scientific: NICOTIANA TABACUM
    Organism Taxid: 4097
    Synonym: TEAS

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1FHP1Ligand/Ion1-HYDROXY-3,7,11-TRIMETHYLDODECA-2,6,10-TRIENEPHOSPHONIC ACID
2MG3Ligand/IonMAGNESIUM ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:444 , THR A:448 , GLU A:452 , HOH A:662 , HOH A:666 , FHP A:900BINDING SITE FOR RESIDUE MG A 851
2AC2SOFTWAREASP A:301 , ASP A:305 , GLU A:379 , HOH A:718 , HOH A:773BINDING SITE FOR RESIDUE MG A 852
3AC3SOFTWAREGLU A:452 , GLN A:457 , HOH A:773 , FHP A:900BINDING SITE FOR RESIDUE MG A 853
4AC4SOFTWAREGLU A:269 , PHE A:272 , SER A:273 , THR A:401 , THR A:402 , TYR A:404 , ARG A:441 , ASP A:444 , GLU A:452 , THR A:519 , TYR A:520 , TYR A:527 , LEU A:534 , HOH A:666 , HOH A:732 , MG A:851 , MG A:853BINDING SITE FOR RESIDUE FHP A 900

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Ser A:184 -Pro A:185
2Arg A:497 -Pro A:498

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1HXA)

(-) 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:528
 aligned with 5EAS_TOBAC | Q40577 from UniProtKB/Swiss-Prot  Length:548

    Alignment length:528
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540        
           5EAS_TOBAC    21 SPSLWGDQFLSFSIKNQVAEKYAKEIEALKEQTRNMLLATGMKLADTLNLIDTIERLGISYHFEKEIDDILDQIYNQNSNCNDLCTSALQFRLLRQHGFNISPEIFSKFQDENGKFKESLASDVLGLLNLYEASHVRTHADDILEDALAFSTIHLESAAPHLKSPLREQVTHALEQCLHKGVPRVETRFFISSIYDKEQSKNNVLLRFAKLDFNLLQMLHKQELAQVSRWWKDLDFVTTLPYARDRVVECYFWALGVYFEPQYSQARVMLVKTISMISIVDDTFDAYGTVKELEAYTDAIQRWDINEIDRLPDYMKISYKAILDLYKDYEKELSSAGRSHIVCHAIERMKEVVRNYNVESTWFIEGYTPPVSEYLSNALATTTYYYLATTSYLGMKSATEQDFEWLSKNPKILEASVIICRVIDDTATYEVEKSRGQIATGIECCMRDYGISTKEAMAKFQNMAETAWKDINEGLLRPTPVSTEFLTPILNLARIVEVTYIHNLDGYTHPEKVLKPHIINLLVDSIKI 548
               SCOP domains d1hxaa1 A:21-220 5-Epi-aristolochene synthase                                                                                                                                                           d1hxaa2 A:221-548 5-Epi-aristolochene synthase                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 1hxaA02 A:21-60,A:221-547               1hxaA01 A:61-220 Isoprenoid Synthase - domain 1                                                                                                                 1hxaA02 A:21-60,A:221-547 Farnesyl Diphosphate Synthase                                                                                                                                                                                                                                                                                - CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhh....hhhhhhhh.......hhhhh.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1hxa A  21 SPSLWGDQFLSFSIDNQVAEKYAKEIEALKEQTRNMLLATGMKLADTLNLIDTIERLGISYHFEKEIDDILDQIYNQNSNCNDLCTSALQFRLLRQHGFNISPEIFSKFQDENGKFKESLASDVLGLLNLYEASHVRTHADDILEDALAFSTIHLESAAPHLKSPLREQVTHALEQCLHKGVPRVETRFFISSIYDKEQSKNNVLLRFAKLDFNLLQMLHKQELAQVSRWWKDLDFVTTLPYARDRVVECYFSALGVYFEPQYSQARVMLVKTISMISIVDDTFDAYGTVKELEAYTDAIQRWDINEIDRLPDYMKISYKAILDLYKDYEKELSSAGRSHIVCHAIERMKEVVRNYNVESTWFIEGYTPPVSEYLSNALATTTYYYLATTSYLGMKSATEQDFEWLSKNPKILEASVIICRVIDDTATYEVEKSRGQIATGIECCMRDYGISTKEAMAKFQNMAETAWKDINEGLLRPTPVSTEFLTPILNLARIVEVTYIHNLDGYTHPEEVLKPHIINLLVDSIKI 548
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540
   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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HXA)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (5EAS_TOBAC | Q40577)
molecular function
    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:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0010333    terpene synthase activity    Catalysis of the formation of cyclic terpenes through the cyclization of linear terpenes (e.g. isopentenyl-PP, geranyl-PP, farnesyl-PP and geranylgeranyl-PP) containing varying numbers of isoprene units.
biological process
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0016114    terpenoid biosynthetic process    The chemical reactions and pathways resulting in the formation of terpenoids, any member of a class of compounds characterized by an isoprenoid chemical structure.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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  4.1.99.7
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 Related Entries

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

UniProtKB/Swiss-Prot
        5EAS_TOBAC | Q40577: 1hx9 1hxc 1hxg 3lz9 3m00 3m01 3m02 4di5 4rnq 5dhi 5dhk 5eas 5eat 5eau 5ik0 5ik6 5ik9 5ika 5ikh 5il3 5il8 5ild 5ilh 5ili 5ilj 5ilk 5ily 5ilz 5im1

(-) Related Entries Specified in the PDB File

1hx9 1HX9 IS TEAS W273S FORM 1
5eas 5EAS IS WILD-TYPE TEAS
5eat 5EAT IS WILD-TYPE TEAS COMPLEXED WITH 1-HYDROXYFARNESYL PHOSPHONATE