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(-) Description

Title :  BENZALACETONE SYNTHASE FROM RHEUM PALMATUM COMPLEXED WITH 4-COUMAROYL-PRIMED MONOKETIDE INTERMEDIATE
 
Authors :  H. Morita, R. Kato, I. Abe, S. Sugio, T. Kohno
Date :  10 Aug 09  (Deposition) - 26 Jan 10  (Release) - 27 Jun 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Benzalacetone Synthase, Chalcone Synthase, Type Iii Polyketide Synthase, Transferase, Acyltransferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Morita, Y. Shimokawa, M. Tanio, R. Kato, H. Noguchi, S. Sugio, T. Kohno, I. Abe
A Structure-Based Mechanism For Benzalacetone Synthase From Rheum Palmatum
Proc. Natl. Acad. Sci. Usa V. 107 669 2010
PubMed-ID: 20080733  |  Reference-DOI: 10.1073/PNAS.0909982107

(-) Compounds

Molecule 1 - BENZALACETONE SYNTHASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PQE80L
    Expression System Strain: M15
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: BAS
    Organism Scientific: RHEUM PALMATUM
    Organism Taxid: 137221

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1HC42Ligand/Ion4'-HYDROXYCINNAMIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:156 , CYS A:157 , ILE A:203 , GLY A:204 , ASN A:329 , PRO A:368BINDING SITE FOR RESIDUE HC4 A 400
2AC2SOFTWARELEU B:125 , CYS B:157 , CYS B:190 , LEU B:256 , SER B:257 , PHE B:258 , PRO B:368BINDING SITE FOR RESIDUE HC4 B 400

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3A5R)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Met A:130 -Pro A:131
2Gly A:369 -Ile A:370
3Met B:130 -Pro B:131
4Gly B:369 -Ile B:370

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3A5R)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3A5R)

(-) Exons   (0, 0)

(no "Exon" information available for 3A5R)

(-) 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:376
 aligned with BAS_RHEPA | Q94FV7 from UniProtKB/Swiss-Prot  Length:384

    Alignment length:376
                                    17        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       337       347       357       367       377      
            BAS_RHEPA     8 KLATVMAIGTANPPNCYYQADFPDFYFRVTNSDHLINLKQKFKRLCENSRIEKRYLHVTEEILKENPNIAAYEATSLNVRHKMQVKGVAELGKEAALKAIKEWGQPKSKITHLIVCCLAGVDMPGADYQLTKLLDLDPSVKRFMFYHLGCYAGGTVLRLAKDIAENNKGARVLIVCSEMTTTCFRGPSETHLDSMIGQAILGDGAAAVIVGADPDLTVERPIFELVSTAQTIVPESHGAIEGHLLESGLSFHLYKTVPTLISNNIKTCLSDAFTPLNISDWNSLFWIAHPGGPAILDQVTAKVGLEKEKLKVTRQVLKDYGNMSSATVFFIMDEMRKKSLENGQATTGEGLEWGVLFGFGPGITVETVVLRSVPVI 383
               SCOP domains d3a5ra1 A:8-228 automated matches                                                                                                                                                                                            d3a5ra2 A:229-383 automated matches                                                                                                                         SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee....eee..hhhhhhhhhh....hhhhhhhhhhhhhh....eee...hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh.eeeeee....ee.hhhhhhhhhh......eeeeee....hhhhhhhhhhhhhhhhh...eeeeeeee.................hhhhhh..eeeeeeee...........eeeeeeeeee.......eeeeee..eeeeee..hhhhhhhhhhhhhhhhhhhhhh..hhhhheeee...hhhhhhhhhhhhh.hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh..........eeeeeeee...eeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3a5r A   8 KLATVMAIGTANPPNCYYQADFPDFYFRVTNSDHLINLKQKFKRLCENSRIEKRYLHVTEEILKENPNIAAYEATSLNVRHKMQVKGVAELGKEAALKAIKEWGQPKSKITHLIVCCLAGVDMPGADYQLTKLLDLDPSVKRFMFYHLGCYAGGTVLRLAKDIAENNKGARVLIVCSEMTTTCFRGPSETHLDSMIGQAILGDGAAAVIVGADPDLTVERPIFELVSTAQTIVPESHGAIEGHLLESGLSFHLYKTVPTLISNNIKTCLSDAFTPLNISDWNSLFWIAHPGGPAILDQVTAKVGLEKEKLKVTRQVLKDYGNMSSATVFFIMDEMRKKSLENGQATTGEGLEWGVLFGFGPGITVETVVLRSVPVI 383
                                    17        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       337       347       357       367       377      


Chain B from PDB  Type:PROTEIN  Length:375
 aligned with BAS_RHEPA | Q94FV7 from UniProtKB/Swiss-Prot  Length:384

    Alignment length:375
                                    17        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       337       347       357       367       377     
            BAS_RHEPA     8 KLATVMAIGTANPPNCYYQADFPDFYFRVTNSDHLINLKQKFKRLCENSRIEKRYLHVTEEILKENPNIAAYEATSLNVRHKMQVKGVAELGKEAALKAIKEWGQPKSKITHLIVCCLAGVDMPGADYQLTKLLDLDPSVKRFMFYHLGCYAGGTVLRLAKDIAENNKGARVLIVCSEMTTTCFRGPSETHLDSMIGQAILGDGAAAVIVGADPDLTVERPIFELVSTAQTIVPESHGAIEGHLLESGLSFHLYKTVPTLISNNIKTCLSDAFTPLNISDWNSLFWIAHPGGPAILDQVTAKVGLEKEKLKVTRQVLKDYGNMSSATVFFIMDEMRKKSLENGQATTGEGLEWGVLFGFGPGITVETVVLRSVPV 382
               SCOP domains d3a5rb1 B:8-228 automated matches                                                                                                                                                                                            d3a5rb2 B:229-382 automated matches                                                                                                                        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee....eee..hhhhhhhhhh....hhhhhhhhhhhhhhh...eee...hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh.eeeeee.......hhhhhhhhhh......eeeeee....hhhhhhhhhhhhhhhhh...eeeeeeee................hhhhhhh..eeeeeeee...........eeeeeeeeee.......eeeeee..ee..ee..hhhhhhhhhhhhhhhhhhhhhh..hhhhheeee...hhhhhhhhhhhhh.....hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh..........eeeeeeee...eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3a5r B   8 KLATVMAIGTANPPNCYYQADFPDFYFRVTNSDHLINLKQKFKRLCENSRIEKRYLHVTEEILKENPNIAAYEATSLNVRHKMQVKGVAELGKEAALKAIKEWGQPKSKITHLIVCCLAGVDMPGADYQLTKLLDLDPSVKRFMFYHLGCYAGGTVLRLAKDIAENNKGARVLIVCSEMTTTCFRGPSETHLDSMIGQAILGDGAAAVIVGADPDLTVERPIFELVSTAQTIVPESHGAIEGHLLESGLSFHLYKTVPTLISNNIKTCLSDAFTPLNISDWNSLFWIAHPGGPAILDQVTAKVGLEKEKLKVTRQVLKDYGNMSSATVFFIMDEMRKKSLENGQATTGEGLEWGVLFGFGPGITVETVVLRSVPV 382
                                    17        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       337       347       357       367       377
   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: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3A5R)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3A5R)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (BAS_RHEPA | Q94FV7)
molecular function
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
    GO:0016746    transferase activity, transferring acyl groups    Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
    GO:0016747    transferase activity, transferring acyl groups other than amino-acyl groups    Catalysis of the transfer of an acyl group, other than amino-acyl, from one compound (donor) to another (acceptor).
biological process
    GO:0009058    biosynthetic process    The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
    GO:0009813    flavonoid biosynthetic process    The chemical reactions and pathways resulting in the formation of flavonoids, a group of phenolic derivatives containing a flavan skeleton.
    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:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BAS_RHEPA | Q94FV7: 3a5q 3a5s

(-) Related Entries Specified in the PDB File

1cgk CHALCONE SYNTHASE FROM ALFALFA COMPLEXED WITH NARINGENIN
1u0u STILBENE SYNTHASE FROM PINUS SYLVESTRIS
2d3m PENTAKETIDE CHROMONE SYNTHASE FROM ALOE ARBORESCENS
3a5q
3a5s