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(-) Description

Title :  ACETOLACTATE DECARBOXYLASE WITH A BOUND PHOSPHATE ION
 
Authors :  V. A Marlow, D. Rea, S. Najmudin, M. Wills, V. Fulop
Date :  12 Jun 13  (Deposition) - 11 Sep 13  (Release) - 30 Oct 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.10
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Lyase, Acetoin Biosynthesis, Stereoselective Decarboxylation, Bifunctional Enzyme (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  V. A. Marlow, D. Rea, S. Najmudin, M. Wills, V. Fulop
Structure And Mechanism Of Acetolactate Decarboxylase.
Acs Chem. Biol. V. 8 2339 2013
PubMed-ID: 23985082  |  Reference-DOI: 10.1021/CB400429H

(-) Compounds

Molecule 1 - ALPHA-ACETOLACTATE DECARBOXYLASE
    Atcc: 11031
    Chains: A
    EC Number: 4.1.1.5
    Engineered: YES
    Expression System: BACILLUS SUBTILIS
    Expression System Plasmid: PJA199
    Expression System Strain: JA222
    Expression System Taxid: 1423
    Expression System Variant: TOC46
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 29-285
    Organism Scientific: BREVIBACILLUS BREVIS
    Organism Taxid: 1393
    Synonym: ALDC, ACETOLACTATE DECARBOXYLASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 2)
No.NameCountTypeFull Name
1PO41Ligand/IonPHOSPHATE ION
2ZN1Ligand/IonZINC ION
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1PO42Ligand/IonPHOSPHATE ION
2ZN-1Ligand/IonZINC ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:194 , HIS A:196 , HIS A:207 , GLU A:253 , PO4 A:302BINDING SITE FOR RESIDUE ZN A 301
2AC2SOFTWAREGLY A:57 , GLU A:65 , ARG A:145 , HIS A:194 , HIS A:196 , HIS A:207 , GLU A:253 , ZN A:301BINDING SITE FOR RESIDUE PO4 A 302

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4BT7)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Arg A:152 -Pro A:153

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4BT7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4BT7)

(-) Exons   (0, 0)

(no "Exon" information available for 4BT7)

(-) 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    
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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:236
 aligned with ALDC_BREBE | P23616 from UniProtKB/Swiss-Prot  Length:285

    Alignment length:236
                                    57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277      
           ALDC_BREBE    48 APKNVLFQYSTINALMLGQFEGDLTLKDLKLRGDMGLGTINDLDGEMIQMGTKFYQIDSTGKLSELPESVKTPFAVTTHFEPKEKTTLTNVQDYNQLTKMLEEKFENKNVFYAVKLTGTFKMVKARTVPKQTRPYPQLTEVTKKQSEFEFKNVKGTLIGFYTPNYAAALNVPGFHLHFITEDKTSGGHVLNLQFDNANLEISPIHEFDVQLPHTDDFAHSDLTQVTTSQVHQAESE 283
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeee.hhhhhhh......eehhhhhhhh..eee.hhhhh.eeeee..eeeee.....eee.....ee..eee......eeeeeeee.hhhhhhhhhhhhhh....eeeeeeeeeeeeeeeee.........hhhhhhh..eeeeeeeeeeeeeeeeehhhhh.....eeeeeeee.....eeeeeeeeeeeeeeeeeee..eeee...hhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4bt7 A  20 APKNVLFQYSTINALMLGQFEGDLTLKDLKLRGDMGLGTINDLDGEMIQMGTKFYQIDSTGKLSELPESVKTPFAVTTHFEPKEKTTLTNVQDYNQLTKMLEEKFENKNVFYAVKLTGTFKMVKARTVPKQTRPYPQLTEVTKKQSEFEFKNVKGTLIGFYTPNYAAALNVPGFHLHFITEDKTSGGHVLNLQFDNANLEISPIHEFDVQLPHTDDFAHSDLTQVTTSQVHQAESE 255
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249
   Legend:   → Mismatch (orange background)
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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 4BT7)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4BT7)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4BT7)

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A   (ALDC_BREBE | P23616)
molecular function
    GO:0047605    acetolactate decarboxylase activity    Catalysis of the reaction: (S)-2-hydroxy-2-methyl-3-oxobutanoate = (R)-2-acetoin + CO2.
    GO:0016831    carboxy-lyase activity    Catalysis of the nonhydrolytic addition or removal of a carboxyl group to or from a compound.
    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:0045151    acetoin biosynthetic process    The chemical reactions and pathways resulting in the formation of acetoin, 3-hydroxy-2-butanone.

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 Related Entries

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

UniProtKB/Swiss-Prot
        ALDC_BREBE | P23616: 4bt2 4bt3 4bt4 4bt5 4bt6

(-) Related Entries Specified in the PDB File

4bt2 ACETOLACTATE DECARBOXYLASE WITH A BOUND 1,2-ETHANEDIOL
4bt3 ACETOLACTATE DECARBOXYLASE WITH A BOUND (2R,3R)-2,3- DIHYDROXY-2-METHYLBUTANOIC ACID
4bt4 ACETOLACTATE DECARBOXYLASE WITH A BOUND (2S,3S)-2,3- DIHYDROXY-2-METHYLBUTANOIC ACID
4bt5 ACETOLACTATE DECARBOXYLASE WITH A BOUND (2S,3R)-2,3- DIHYDROXY-2-METHYLBUTANOIC ACID
4bt6 ACETOLACTATE DECARBOXYLASE WITH A BOUND GLYCEROL