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(-) Description

Title :  CRYSTAL STRUCTURES OF BRANCHED-CHAIN AMINOTRANSFERASE FROM DEINOCOCCUS RADIODURANS COMPLEXES WITH ALPHA-KETOISOCAPROATE AND L-GLUTAMATE SUGGEST ITS RADIO-RESISTANCE FOR CATALYSIS
 
Authors :  C. D. Chen, Y. C. Huang, P. Chuankhayan, Y. C. Hsieh, T. F. Huang, C. H. Lin H. H. Guan, M. Y. Liu, W. C. Chang, C. J. Chen
Date :  07 Dec 11  (Deposition) - 12 Dec 12  (Release) - 12 Dec 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Bcat, Amino-Acid Biosynthesis, Aminotransferase, Branched-Chain Amino Acid Biosynthesis, Pyridoxal Phosphate, Transferase, L-Glutamate (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. D. Chen, C. H. Lin, P. Chuankhayan, Y. C. Huang, Y. C. Hsieh, T. F. Huang, H. H. Guan, M. Y. Liu, W. C. Chang, C. J. Chen
Crystal Structures Of Complexes Of The Branched-Chain Aminotransferase From Deinococcus Radiodurans With Alpha-Ketoisocaproate And L-Glutamate Suggest The Radiation Resistance Of This Enzyme For Catalysis
J. Bacteriol. V. 194 6206 2012
PubMed-ID: 22984263  |  Reference-DOI: 10.1128/JB.01659-12

(-) Compounds

Molecule 1 - BRANCHED-CHAIN-AMINO-ACID AMINOTRANSFERASE
    Chains: A, B
    EC Number: 2.6.1.42
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PQE30
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: DR_1626
    Organism Scientific: DEINOCOCCUS RADIODURANS
    Organism Taxid: 1299
    Strain: R1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1GLU2Mod. Amino AcidGLUTAMIC ACID
2PLP2Ligand/IonPYRIDOXAL-5'-PHOSPHATE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:100 , ARG A:192 , LYS A:202 , TYR A:207 , GLU A:238 , GLY A:240 , ALA A:241 , ALA A:242 , ASN A:243 , LEU A:263 , SER A:265 , ILE A:266 , THR A:267 , GLY A:303 , THR A:304 , HOH A:382 , GLU A:600BINDING SITE FOR RESIDUE PLP A 371
2AC2SOFTWAREPHE A:76 , TYR A:143 , ARG A:145 , TYR A:175 , LYS A:202 , GLY A:303 , THR A:304 , ALA A:305 , ALA A:306 , PLP A:371 , TYR B:71 , ILE B:155 , VAL B:157BINDING SITE FOR RESIDUE GLU A 600
3AC3SOFTWAREARG B:100 , ARG B:192 , LYS B:202 , TYR B:207 , GLU B:238 , GLY B:240 , ALA B:241 , ALA B:242 , ASN B:243 , LEU B:263 , SER B:265 , ILE B:266 , THR B:267 , THR B:304 , GLU B:500BINDING SITE FOR RESIDUE PLP B 372
4AC4SOFTWARETYR A:71 , ILE A:155 , VAL A:157 , PHE B:76 , TYR B:143 , ARG B:145 , LYS B:202 , GLY B:303 , THR B:304 , ALA B:305 , PLP B:372BINDING SITE FOR RESIDUE GLU B 500

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3UZO)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3UZO)

(-) 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:335
 aligned with Q9RTX5_DEIRA | Q9RTX5 from UniProtKB/TrEMBL  Length:358

    Alignment length:335
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353     
         Q9RTX5_DEIRA    24 IDWSTLGFSYIRTDLRYLAHWKDGEWDAGTLTEDNQIHLAEGSTALHYGQQCFEGLKAYRCADGSINLFRPDQNAARMRMSCRRLLMPELSDEQFIDACLQVVRANEHFLPPYGTGGSLYLRPFVIGVGDNIGVRTAPEFIFSVFCVPVGPYFKGGLTPTNFITSDYDRAAPHGTGAAKVGGNYAASLLPGYEAKKRDFADVIYLDPATHTTIEEAGAANFFAITQDGQKFVTPQSPSILPSITKYSLLWLAEHRLGLEVEEGDIRIDELGKFSEAGACGTAAVITPIGGIQHGDDFHVFYSESEPGPVTRRLYDELVGIQYGDKEAPEGWIVKV 358
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhh.........eeeeeee..ee...eee...eeeee..hhhhhh..eee..eeeee.....eee.hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhh.......eeeeeeeeeee..........eeeeeeeeeee..........eeee................hhhhhhhhhhhhhhhhhh...ee.................eeeeee....eeeee.......hhhhhhhhhhhhhh...eeeee.....hhh.eeeeeee......eeeeeeee..eeee.......hhhhhhhhhhhhhhhh..........ee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3uzo A  24 IDWSTLGFSYIRTDLRYLAHWKDGEWDAGTLTEDNQIHLAEGSTALHYGQQCFEGLKAYRCADGSINLFRPDQNAARMRMSCRRLLMPELSDEQFIDACLQVVRANEHFLPPYGTGGSLYLRPFVIGVGDNIGVRTAPEFIFSVFCVPVGPYFKGGLTPTNFITSDYDRAAPHGTGAAKVGGNYAASLLPGYEAKKRDFADVIYLDPATHTTIEEAGAANFFAITQDGQKFVTPQSPSILPSITKYSLLWLAEHRLGLEVEEGDIRIDELGKFSEAGACGTAAVITPIGGIQHGDDFHVFYSESEPGPVTRRLYDELVGIQYGDKEAPEGWIVKV 358
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353     


Chain B from PDB  Type:PROTEIN  Length:335
 aligned with Q9RTX5_DEIRA | Q9RTX5 from UniProtKB/TrEMBL  Length:358

    Alignment length:335
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353     
         Q9RTX5_DEIRA    24 IDWSTLGFSYIRTDLRYLAHWKDGEWDAGTLTEDNQIHLAEGSTALHYGQQCFEGLKAYRCADGSINLFRPDQNAARMRMSCRRLLMPELSDEQFIDACLQVVRANEHFLPPYGTGGSLYLRPFVIGVGDNIGVRTAPEFIFSVFCVPVGPYFKGGLTPTNFITSDYDRAAPHGTGAAKVGGNYAASLLPGYEAKKRDFADVIYLDPATHTTIEEAGAANFFAITQDGQKFVTPQSPSILPSITKYSLLWLAEHRLGLEVEEGDIRIDELGKFSEAGACGTAAVITPIGGIQHGDDFHVFYSESEPGPVTRRLYDELVGIQYGDKEAPEGWIVKV 358
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhh.........eeeeeee..ee...eee...eeeee..hhhhhh..eee..eeeee.....eee.hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhh.......eeeeeeeeeee..........eeeeeeeeeee..........eeeee...............hhhhhhhhhhhhhhhhhh...eee................eeeeee....eeeee.......hhhhhhhhhhhhhh...eeeee.....hhh.eeeeeee......eeeeeeee..eeee.......hhhhhhhhhhhhhhhh..........eee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3uzo B  24 IDWSTLGFSYIRTDLRYLAHWKDGEWDAGTLTEDNQIHLAEGSTALHYGQQCFEGLKAYRCADGSINLFRPDQNAARMRMSCRRLLMPELSDEQFIDACLQVVRANEHFLPPYGTGGSLYLRPFVIGVGDNIGVRTAPEFIFSVFCVPVGPYFKGGLTPTNFITSDYDRAAPHGTGAAKVGGNYAASLLPGYEAKKRDFADVIYLDPATHTTIEEAGAANFFAITQDGQKFVTPQSPSILPSITKYSLLWLAEHRLGLEVEEGDIRIDELGKFSEAGACGTAAVITPIGGIQHGDDFHVFYSESEPGPVTRRLYDELVGIQYGDKEAPEGWIVKV 358
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353
   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 3UZO)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (11, 11)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q9RTX5_DEIRA | Q9RTX5)
molecular function
    GO:0052656    L-isoleucine transaminase activity    Catalysis of the reaction: 2-oxoglutarate + L-isoleucine = (S)-3-methyl-2-oxopentanoic acid + L-glutamic acid.
    GO:0052654    L-leucine transaminase activity    Catalysis of the reaction: 2-oxoglutarate + L-leucine = 4-methyl-2-oxopentanoate + L-glutamatic acid.
    GO:0052655    L-valine transaminase activity    Catalysis of the reaction: 2-oxoglutarate + L-valine = 3-methyl-2-oxobutanoic acid + L-glutamatic acid.
    GO:0004084    branched-chain-amino-acid transaminase activity    Catalysis of the reaction: a branched-chain amino acid + 2-oxoglutarate = L-glutamate + a 2-oxocarboxylate derived from the branched-chain amino acid.
    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:0008483    transaminase activity    Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.
    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.
biological process
    GO:0009082    branched-chain amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0009081    branched-chain amino acid metabolic process    The chemical reactions and pathways involving amino acids containing a branched carbon skeleton, comprising isoleucine, leucine and valine.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    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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UniProtKB/TrEMBL
        Q9RTX5_DEIRA | Q9RTX5: 3uyy 3uzb

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