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(-) Description

Title :  THE CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF D-GALACTARATE DEHYDRATASE FROM ESCHERICHIA COLI CFT073
 
Authors :  K. Tan, H. Li, J. Bearden, A. Joachimiak, Midwest Center For Structural Genomics (Mcsg)
Date :  07 Jan 10  (Deposition) - 19 Jan 10  (Release) - 19 Jan 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.92
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (2x)
Biol. Unit 2:  B  (2x)
Keywords :  Structural Genomics, Psi-2, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Tan, H. Li, J. Bearden, A. Joachimiak
The Crystal Structure Of The N-Terminal Domain Of D-Galactarate Dehydratase From Escherichia Coli Cft073
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - D-GALACTARATE DEHYDRATASE
    Chains: A, B
    EC Number: 4.2.1.42
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PMCSG19
    Expression System Strain: PPK1037
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN, RESIDUES 1-96
    Gene: C3883, YHAG
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 199310
    Strain: CFT073

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): A 
Biological Unit 2 (2x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric Unit (1, 4)
No.NameCountTypeFull Name
1MSE4Mod. Amino AcidSELENOMETHIONINE
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1MSE4Mod. Amino AcidSELENOMETHIONINE
Biological Unit 2 (1, 4)
No.NameCountTypeFull Name
1MSE4Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 3LAZ)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 3LAZ)

(-) 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:96
 aligned with GARD_ECOLI | P39829 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:96
                             1                                                                                              
                             |       9        19        29        39        49        59        69        79        89      
            GARD_ECOLI    - -MANIEIRQETPTAFYIKVHDTDNVAIIVNDNGLKAGTRFPDGLELIEHIPQGHKVALLDIPANGEIIRYGEVIGYAVRAIPRGSWIDESMVVLPE 95
               SCOP domains ------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhh.........eee.......eeeee.........................eee........eeee..eeeeee..........hhh.ee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3laz A  0 AmANIKIRQETPTAFYIKVHDTDNVAIIVNDNGLKAGTRFPDGLELIEHIPQGHKVALLDIPANGEIIRYGEVIGYAVRAIPRGSWIDESmVVLPE 95
                             |       9        19        29        39        49        59        69        79        89|     
                             |                                                                                       90-MSE 
                             1-MSE                                                                                          


Chain B from PDB  Type:PROTEIN  Length:96
 aligned with GARD_ECOLI | P39829 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:96
                               1                                                                                             
                               |     7        17        27        37        47        57        67        77        87      
            GARD_ECOLI    - ---MANIEIRQETPTAFYIKVHDTDNVAIIVNDNGLKAGTRFPDGLELIEHIPQGHKVALLDIPANGEIIRYGEVIGYAVRAIPRGSWIDESMVVL 93
               SCOP domains ------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) ------------------------SAF-3lazB01 B:22-92                                                    - Pfam domains (1)
           Pfam domains (2) ------------------------SAF-3lazB02 B:22-92                                                    - Pfam domains (2)
         Sec.struct. author .hhhhhh.........eee.......eeeee.........................eee........eeee..eeeeee..............ee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3laz B -2 SNAmANIKIRQETPTAFYIKVHDTDNVAIIVNDNGLKAGTRFPDGLELIEHIPQGHKVALLDIPANGEIIRYGEVIGYAVRAIPRGSWIDESmVVL 93
                               |     7        17        27        37        47        57        67        77        87  |   
                               1-MSE                                                                                   90-MSE
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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  (0, 0)

(no "SCOP Domain" information available for 3LAZ)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: AFP_III-like (6)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (GARD_ECOLI | P39829)
molecular function
    GO:0008867    galactarate dehydratase activity    Catalysis of the reaction: galactarate = 5-dehydro-4-deoxy-D-glucarate + H(2)O.
    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.
biological process
    GO:0046392    galactarate catabolic process    The chemical reactions and pathways resulting in the breakdown of galactarate, the anion of galactaric acid.

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