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(-) Description

Title :  PSE-4 CARBENICILLINASE, WILD TYPE
 
Authors :  D. Lim, F. Sanschagrin, L. Passmore, L. De Castro, R. C. Levesque, N. C. J. Strynadka
Date :  03 Nov 00  (Deposition) - 21 Feb 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  A
Keywords :  Class A Beta-Lactamase, Carbenicillinase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Lim, F. Sanschagrin, L. Passmore, L. De Castro, R. C. Levesque, N. C. Strynadka
Insights Into The Molecular Basis For The Carbenicillinase Activity Of Pse-4 Beta-Lactamase From Crystallographic And Kinetic Studies.
Biochemistry V. 40 395 2001
PubMed-ID: 11148033  |  Reference-DOI: 10.1021/BI001653V
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-LACTAMASE PSE-4
    Chains: A
    EC Number: 3.5.2.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET30A
    Expression System Strain: BL21 LAMDADE3
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: PSE4
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 287
    Synonym: CARBENICILLINASE 1

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:70 , SER A:130 , SER A:235 , GLY A:236 , ALA A:237 , HOH A:441 , HOH A:546 , HOH A:561 , HOH A:626 , HOH A:630 , HOH A:684BINDING SITE FOR RESIDUE SO4 A 400

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:77 -A:123

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Glu A:166 -Pro A:167

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1G68)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_APS00146 Beta-lactamase class-A active site.BLP4_PSEAI61-76  1A:66-81

(-) Exons   (0, 0)

(no "Exon" information available for 1G68)

(-) 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:266
 aligned with BLP4_PSEAI | P16897 from UniProtKB/Swiss-Prot  Length:288

    Alignment length:266
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279      
           BLP4_PSEAI    20 SKFQQVEQDVKAIEVSLSARIGVSVLDTQNGEYWDYNGNQRFPLTSTFKTIACAKLLYDAEQGKVNPNSTVEIKKADLVTYSPVIEKQVGQAITLDDACFATMTTSDNTAANIILSAVGGPKGVTDFLRQIGDKETRLDRIEPDLNEGKLGDLRDTTTPKAIASTLNKFLFGSALSEMNQKKLESWMVNNQVTGNLLRSVLPAGWNIADRSGAGGFGARSITAVVWSEHQAPIIVSIYLAQTQASMEERNDAIVKIGHSIFDVYTS 285
               SCOP domains d1g68a_ A: beta-Lactamase, class A                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1g68A00 A:24-292 DD-peptidase/beta-lactamase superfamily                                                                                                                                                                                                                   CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhh..eeeeeeee....eeeee.....ee.hhhhhhhhhhhhhhhhhh.......eee.hhhhh.....hhhhh...eeehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......hhhhhh....eeeeeeee.hhh.eeeeeeeee..eeeeeeeeeee....hhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------BETA_LACTAMASE_A----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g68 A  24 SKFQQVEQDVKAIEVSLSARIGVSVLDTQNGEYWDYNGNQRFPLTSTFKTIACAKLLYDAEQGKVNPNSTVEIKKADLVTYSPVIEKQVGQAITLDDACFATMTTSDNTAANIILSAVGGPKGVTDFLRQIGDKETRLDRIEPDLNEGKLGDLRDTTTPKAIASTLNKFLFGSALSEMNQKKLESWMVNNQVTGNLLRSVLPAGWNIADRSGAGGFGARSITAVVWSEHQAPIIVSIYLAQTQASMEERNDAIVKIGHSIFDVYTS 292
                                    33        43        53   ||   64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234   ||  245      |256       266       276       286      
                                                            57|                                                                                                                                                                                238|         252|                                      
                                                             59                                                                                                                                                                                 240          254
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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: Multi-domain proteins (alpha and beta) (2421)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G68)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (BLP4_PSEAI | P16897)
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.

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  1g68
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 Related Entries

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

UniProtKB/Swiss-Prot
        BLP4_PSEAI | P16897: 1g6a 4id4 4qy5 4qy6 4r4r 4r4s

(-) Related Entries Specified in the PDB File

1g6a PSE-4 CARBINICILLINASE R234K MUTANT