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(-) Description

Title :  CRYSTAL STRUCTURE OF APO-2,5-DIKETO-D-GLUCONATE REDUCTASE
 
Authors :  G. Sanli, M. Blaber
Date :  09 Jan 01  (Deposition) - 20 Jun 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Aldo-Keto Reductase, Tim Barrel, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. Sanli, M. Blaber
Structural Assembly Of The Active Site In An Aldo-Keto Reductase By Nadph Cofactor.
J. Mol. Biol. V. 309 1209 2001
PubMed-ID: 11399090  |  Reference-DOI: 10.1006/JMBI.2001.4739
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 2,5-DIKETO-D-GLUCONIC ACID REDUCTASE
    Chains: A
    EC Number: 1.1.1.-
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Common: FALL ARMYWORM
    Expression System Taxid: 7108
    Organism Scientific: CORYNEBACTERIUM SP.
    Organism Taxid: 1720
    Synonym: APO-2,5-DIKETO-D-GLUCONATE REDUCTASE

 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
1CL2Ligand/IonCHLORIDE ION
2MG2Ligand/IonMAGNESIUM ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:252 , HOH A:456 , HOH A:470 , HOH A:475 , HOH A:504 , HOH A:507BINDING SITE FOR RESIDUE MG A 300
2AC2SOFTWAREHIS A:180 , HOH A:561 , HOH A:577 , HOH A:619 , HOH A:623BINDING SITE FOR RESIDUE MG A 301
3AC3SOFTWAREARG A:67 , ASP A:100 , GLN A:101BINDING SITE FOR RESIDUE CL A 422
4AC4SOFTWAREGLY A:188 , LEU A:190 , GLN A:192BINDING SITE FOR RESIDUE CL A 424

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1HW6)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1HW6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HW6)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ALDOKETO_REDUCTASE_1PS00798 Aldo/keto reductase family signature 1.DKGA_CORSC40-57  1A:40-57

(-) Exons   (0, 0)

(no "Exon" information available for 1HW6)

(-) 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:257
 aligned with DKGA_CORSC | P06632 from UniProtKB/Swiss-Prot  Length:278

    Alignment length:262
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261  
           DKGA_CORSC     2 TVPSIVLNDGNSIPQLGYGVFKVPPADTQRAVEEALEVGYRHIDTAAIYGNEEGVGAAIAASGIARDDLFITTKLWNDRHDGDEPAAAIAESLAKLALDQVDLYLVHWPTPAADNYVHAWEKMIELRAAGLTRSIGVSNHLVPHLERIVAATGVVPAVNQIELHPAYQQREITDWAAAHDVKIESWGPLGQGKYDLFGAEPVTAAAAAHGKTPAQAVLRWHLQKGFVVFPKSVRRERLEENLDVFDFDLTDTEIAAIDAMDP 263
               SCOP domains d1hw6a_ A: 2,5-diketo-D-gluconic acid reductase A                                                                                                                                                                                                                      SCOP domains
               CATH domains 1hw6A00 A:2-263 NADP-dependent oxidoreductase                                                                                                                                                                                                                          CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee.....eee...ee....hhhhhhhhhhhhhhhh..eee.hhhh..hhhhhhhhhhhh.hhhhheeeeee..-----.hhhhhhhhhhhhhh...eeeeee........hhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhhhhhh....eeeee......hhhhhhhhhhh..eeeee..hhhhh.....hhhhhhhhhhhh.hhhhhhhhhhhhh..ee.....hhhhhhhhhh......hhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------ALDOKETO_REDUCTASE-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hw6 A   2 TVPSIVLNDGNSIPQLGYGVFKVPPADTQRAVEEALEVGYRHIDTAAIYGNEEGVGAAIAASGIARDDLFITTKLWN-----DEPAAAIAESLAKLALDQVDLYLVHWPTPAADNYVHAWEKMIELRAAGLTRSIGVSNHLVPHLERIVAATGVVPAVNQIELHPAYQQREITDWAAAHDVKIESWGPLGQGKYDLFGAEPVTAAAAAHGKTPAQAVLRWHLQKGFVVFPKSVRRERLEENLDVFDFDLTDTEIAAIDAMDP 263
                                    11        21        31        41        51        61        71      |  -  |     91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261  
                                                                                                       78    84
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

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

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HW6)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (DKGA_CORSC | P06632)
molecular function
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0019853    L-ascorbic acid biosynthetic process    The chemical reactions and pathways resulting in the formation of L-ascorbic acid; L-ascorbic acid ionizes to give L-ascorbate, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate, which is required as a cofactor in the oxidation of prolyl residues to hydroxyprolyl, and other reactions.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
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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 Related Entries

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

UniProtKB/Swiss-Prot
        DKGA_CORSC | P06632: 1a80 1m9h

(-) Related Entries Specified in the PDB File

1a80 CRYSTAL STRUCTURE OF 2,5-DIKETO-D-GLUCONATE REDUCTASE IN COMPLEX WITH NADPH COFACTOR