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(-) Description

Title :  CRYSTAL STRUCTURE OF THE POLYKETIDE SYNTHASE 1 FROM HUPERZIA SERRATA
 
Authors :  H. Morita, S. Kondo, R. Kato, S. Sugio, T. Kohno, I. Abe
Date :  23 Mar 11  (Deposition) - 31 Aug 11  (Release) - 31 Aug 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Type Iii Polyketide Synthase, Chalcone Synthase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Morita, M. Yamashita, S. P. Shi, T. Wakimoto, S. Kondo, R. Kato, S. Sugio, T. Kohno, I. Abe
Synthesis Of Unnatural Alkaloid Scaffolds By Exploiting Plant Polyketide Synthase.
Proc. Natl. Acad. Sci. Usa V. 108 13504 2011
PubMed-ID: 21825160  |  Reference-DOI: 10.1073/PNAS.1107782108

(-) Compounds

Molecule 1 - CHALCONE SYNTHASE-LIKE POLYKETIDE SYNTHASE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET22B
    Expression System Strain: BL21(DE3)PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: PKS1
    Organism Common: TOOTHED CLUB-MOSS
    Organism Scientific: HUPERZIA SERRATA
    Organism Taxid: 355589
    Synonym: POLYKETIDE SYNTHASE 1

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric Unit (3, 4)
No.NameCountTypeFull Name
1CSD1Mod. Amino Acid3-SULFINOALANINE
2GOL2Ligand/IonGLYCEROL
3SO41Ligand/IonSULFATE ION
Biological Unit 1 (3, 8)
No.NameCountTypeFull Name
1CSD2Mod. Amino Acid3-SULFINOALANINE
2GOL4Ligand/IonGLYCEROL
3SO42Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECSD A:174 , ILE A:264 , LEU A:277 , ILE A:319BINDING SITE FOR RESIDUE GOL A 500
2AC2SOFTWAREMET A:147 , CSD A:174 , THR A:207 , PHE A:225 , ILE A:264 , PHE A:275 , HOH A:565BINDING SITE FOR RESIDUE GOL A 501
3AC3SOFTWAREPRO A:37 , THR A:38 , HIS A:81BINDING SITE FOR RESIDUE SO4 A 502

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Met A:147 -Pro A:148
2Gly A:386 -Leu A:387

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3AWK)

(-) 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:380
 aligned with A3E7Z7_9TRAC | A3E7Z7 from UniProtKB/TrEMBL  Length:399

    Alignment length:380
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399
         A3E7Z7_9TRAC    20 VIKPDGPATILAIGTSNPTNIFEQSTYPDFFFDVTNCNDKTELKKKFQRICDKSGIKKRHFHLTDEILRKNPSICKFKEASLDPRQDIAVLEVPKLAKEAAISAIKQWGQPKSKITHLVFATTSGVDMPGADFQLAKLLGLRPTVKRVMLYQQGCYAGATVLRVAKDLAENNKGARVLVACSEVTAVTFRAPSETHLDGLVGSALFGDGAAALIVGSDPVPQEEKPLFEIHWAGEAVLPDSDGAINGHLREAGLIFHLLKDVPGLISKNIDKVLAEPLEYVHFPSYNDMFWAVHPGGPAILDQIEAKLGLSTDKMQASRDVLASYGNMSSASVLFVLDQIRKNSEELHLPTTGEGFEWGFVIGFGPGLTVETLLLRSINI 399
               SCOP domains d3awka1 A:20-245 automated matches                                                                                                                                                                                                d3awka2 A:246-399 automated matches                                                                                                                        SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeeeee...eeee..hhhhhhhhhh....hhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh.eeeeee.......hhhhhhhhhhh.....eeeeee.hhhhhhhhhhhhhhhhhhh....eeeeeeee............hhhhhhhhhhh..eeeeeeee...........eeeeeeeeee.......eeeeee..eeeeee..hhhhhhhhhhhhhhhhhhhhh...hhh.eeeee...hhhhhhhhhhhh......hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh..........eeeeeeee...eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3awk A  20 VIKPDGPATILAIGTSNPTNIFEQSTYPDFFFDVTNCNDKTELKKKFQRICDKSGIKKRHFHLTDEILRKNPSICKFKEASLDPRQDIAVLEVPKLAKEAAISAIKQWGQPKSKITHLVFATTSGVDMPGADFQLAKLLGLRPTVKRVMLYQQGcYAGATVLRVAKDLAENNKGARVLVACSEVTAVTFRAPSETHLDGLVGSALFGDGAAALIVGSDPVPQEEKPLFEIHWAGEAVLPDSDGAINGHLREAGLIFHLLKDVPGLISKNIDKVLAEPLEYVHFPSYNDMFWAVHPGGPAILDQIEAKLGLSTDKMQASRDVLASYGNMSSASVLFVLDQIRKNSEELHLPTTGEGFEWGFVIGFGPGLTVETLLLRSINI 399
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169    |  179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399
                                                                                                                                                                                    174-CSD
   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, 2)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A   (A3E7Z7_9TRAC | A3E7Z7)
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: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: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.

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 Related Entries

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        A3E7Z7_9TRAC | A3E7Z7: 3awj

(-) Related Entries Specified in the PDB File

3awj