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(-) Description

Title :  CRYSTAL STRUCTURE OF THE COVALENT ADDUCT FORMED BETWEEN TB B-LACTAMASE AND CLAVULANATE
 
Authors :  L. W. Tremblay, J. E. Hugonnet, J. S. Blanchard
Date :  04 Mar 08  (Deposition) - 27 May 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Alpha-Beta Structure, Covalent Adduct, Antibiotic Resistance, Hydrolase, Lipoprotein, Membrane, Palmitate (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. W. Tremblay, J. E. Hugonnet, J. S. Blanchard
Structure Of The Covalent Adduct Formed Between Mycobacterium Tuberculosis Beta-Lactamase And Clavulanate.
Biochemistry V. 47 5312 2008
PubMed-ID: 18422342  |  Reference-DOI: 10.1021/BI8001055
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-LACTAMASE
    Chains: A
    EC Number: 3.5.2.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: BL21(DE3)
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 43-307
    Gene: BLAA, BLAC
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Synonym: PENICILLINASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 5)

Asymmetric/Biological Unit (2, 5)
No.NameCountTypeFull Name
1ISS1Ligand/Ion(2E)-3-[(4-HYDROXY-2-OXOBUTYL)AMINO]PROP-2-ENAL
2PO44Ligand/IonPHOSPHATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:79 , ARG A:187 , GLU A:193 , ASP A:255 , TYR A:286 , HOH A:322 , HOH A:350 , HOH A:370BINDING SITE FOR RESIDUE PO4 A 308
2AC2SOFTWARESER A:84 , SER A:142 , THR A:232 , THR A:251 , GLY A:252 , THR A:253 , HOH A:492 , HOH A:500 , HOH A:516BINDING SITE FOR RESIDUE PO4 A 309
3AC3SOFTWAREARG A:75 , GLU A:78 , GLU A:184 , HOH A:324 , HOH A:346 , HOH A:410 , HOH A:536 , HOH A:545BINDING SITE FOR RESIDUE PO4 A 310
4AC4SOFTWAREASP A:218 , LYS A:219 , LYS A:235 , HOH A:465 , HOH A:474BINDING SITE FOR RESIDUE PO4 A 311
5AC5SOFTWARECYS A:83 , SER A:84 , SER A:142 , GLU A:182 , ASN A:186 , GLY A:252 , THR A:253 , GLY A:254 , ASP A:255 , HOH A:441 , HOH A:516BINDING SITE FOR RESIDUE ISS A 684

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3CG5)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Glu A:182 -Pro A:183

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3CG5)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_APS00146 Beta-lactamase class-A active site.BLAC_MYCTO80-95  1A:80-95
BLAC_MYCTU80-95  1A:80-95

(-) Exons   (0, 0)

(no "Exon" information available for 3CG5)

(-) 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:265
 aligned with BLAC_MYCTO | P9WKD2 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:265
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302     
           BLAC_MYCTO    43 DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVAAVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYSDGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGDERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATCVAGVLA 307
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 3cg5A00 A:43-307 DD-peptidase/beta-lactamase superfamily                                                                                                                                                                                                                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee........eee.....ee.hhhhhhhhhhhhhhhhhhhhhh.ee..hhhhh.....hhhhhh...eehhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhh....hhhhhhhhhhhhhh......hhhhhh....eeeeeeeee...eeeeeeeee.....eeeeeeeeehhhhh.....hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------BETA_LACTAMASE_A-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3cg5 A  43 DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVAAVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYSDGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGDERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATCVAGVLA 307
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302     


Chain A from PDB  Type:PROTEIN  Length:265
 aligned with BLAC_MYCTU | P9WKD3 from UniProtKB/Swiss-Prot  Length:307

    Alignment length:265
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302     
           BLAC_MYCTU    43 DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVAAVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYSDGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGDERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATCVAGVLA 307
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 3cg5A00 A:43-307 DD-peptidase/beta-lactamase superfamily                                                                                                                                                                                                                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee........eee.....ee.hhhhhhhhhhhhhhhhhhhhhh.ee..hhhhh.....hhhhhh...eehhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhh....hhhhhhhhhhhhhh......hhhhhh....eeeeeeeee...eeeeeeeee.....eeeeeeeeehhhhh.....hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -------------------------------------BETA_LACTAMASE_A-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3cg5 A  43 DLADRFAELERRYDARLGVYVPATGTTAAIEYRADERFAFCSTFKAPLVAAVLHQNPLTHLDKLITYTSDDIRSISPVAQQHVQTGMTIGQLCDAAIRYSDGTAANLLLADLGGPGGGTAAFTGYLRSLGDTVSRLDAEEPELNRDPPGDERDTTTPHAIALVLQQLVLGNALPPDKRALLTDWMARNTTGAKRIRAGFPADWKVIDKTGTGDYGRANDIAVVWSPTGVPYVVAVMSDRAGGGYDAEPREALLAEAATCVAGVLA 307
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302
   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 3CG5)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3CG5)

(-) Gene Ontology  (10, 16)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BLAC_MYCTU | P9WKD3)
molecular function
    GO:0008800    beta-lactamase activity    Catalysis of the reaction: a beta-lactam + H2O = a substituted beta-amino acid.
    GO:0033251    cephalosporinase activity    Catalysis of the reaction: a cephalosporin + H2O = a substituted beta-amino acid derivative of the cephalosporin.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0033250    penicillinase activity    Catalysis of the reaction: a penicillin + H2O = a substituted beta-amino acid derivative of the penicillin.
biological process
    GO:0030655    beta-lactam antibiotic catabolic process    The chemical reactions and pathways resulting in the breakdown of a beta-lactam antibiotic, any member of a class of natural or semisynthetic antibiotics whose characteristic feature is a strained, four-membered beta-lactam ring. They include the penicillins and many of the cephalosporins.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain A   (BLAC_MYCTO | P9WKD2)
molecular function
    GO:0008800    beta-lactamase activity    Catalysis of the reaction: a beta-lactam + H2O = a substituted beta-amino acid.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
biological process
    GO:0030655    beta-lactam antibiotic catabolic process    The chemical reactions and pathways resulting in the breakdown of a beta-lactam antibiotic, any member of a class of natural or semisynthetic antibiotics whose characteristic feature is a strained, four-membered beta-lactam ring. They include the penicillins and many of the cephalosporins.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

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

UniProtKB/Swiss-Prot
        BLAC_MYCTO | P9WKD2: 2gdn 3dwz 3iqa 3m6b 3m6h 3n6i 3n7w 3n8l 3n8r 3n8s 3nbl 3nc8 3nck 3nde 3ndg 3ny4 3vff 3vfh 3zhh 4df6 4ebl 4ebn 4ebp 4jlf
        BLAC_MYCTU | P9WKD3: 2gdn 3dwz 3iqa 3m6b 3m6h 3n6i 3n7w 3n8l 3n8r 3n8s 3nbl 3nc8 3nck 3nde 3ndg 3ny4 3vff 3vfh 3zhh 4df6 4ebl 4ebn 4ebp 4jlf 4q8i 4qb8 4qhc 4x6t

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3CG5)