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(-) Description

Title :  BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII) ARG (121) CYS MUTANT. SOLVED AT PH7 USING 20MM ZNSO4 IN BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT
 
Authors :  A. M. Davies, R. M. Rasia, A. J. Vila, B. J. Sutton, S. M. Fabiane
Date :  07 Dec 04  (Deposition) - 31 Mar 05  (Release) - 01 Sep 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hydrolase, Zinc, Metallo-Beta-Lactamase, Antibiotic Resistance (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. M. Davies, R. M. Rasia, A. J. Vila, B. J. Sutton, S. M. Fabiane
Effect Of Ph On The Active Site Of An Arg121Cys Mutant Of The Metallo-Beta-Lactamase From Bacillus Cereus: Implications For The Enzyme Mechanism
Biochemistry V. 44 4841 2005
PubMed-ID: 15779910  |  Reference-DOI: 10.1021/BI047709T
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-LACTAMASE II
    ChainsA, B
    EC Number3.5.2.6
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    MutationYES
    Organism ScientificBACILLUS CEREUS
    Organism Taxid1396
    Strain569/H/9
    SynonymMETALLO-BETA-LACTAMASE, PENICILLINASE, CEPHALOSPORINASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 25)

Asymmetric Unit (4, 25)
No.NameCountTypeFull Name
1AZI2Ligand/IonAZIDE ION
2GOL16Ligand/IonGLYCEROL
3SO43Ligand/IonSULFATE ION
4ZN4Ligand/IonZINC ION
Biological Unit 1 (3, 12)
No.NameCountTypeFull Name
1AZI1Ligand/IonAZIDE ION
2GOL10Ligand/IonGLYCEROL
3SO41Ligand/IonSULFATE ION
4ZN-1Ligand/IonZINC ION
Biological Unit 2 (3, 9)
No.NameCountTypeFull Name
1AZI1Ligand/IonAZIDE ION
2GOL6Ligand/IonGLYCEROL
3SO42Ligand/IonSULFATE ION
4ZN-1Ligand/IonZINC ION

(-) Sites  (25, 25)

Asymmetric Unit (25, 25)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:75BINDING SITE FOR RESIDUE AZI A1292
02AC2SOFTWAREHIS A:116 , HIS A:118 , HIS A:196 , ZN A:1301 , HOH A:2258 , HOH A:2259BINDING SITE FOR RESIDUE ZN A1300
03AC3SOFTWAREASP A:120 , CYS A:221 , HIS A:263 , GOL A:1295 , ZN A:1300 , HOH A:2258BINDING SITE FOR RESIDUE ZN A1301
04AC4SOFTWARESER A:225 , THR A:226 , SER A:227 , GLY A:264 , GLU A:265 , HOH A:2260 , HOH A:2261 , HOH A:2263BINDING SITE FOR RESIDUE SO4 A1302
05AC5SOFTWAREHIS B:196 , LYS B:224 , GLY B:232 , ASN B:233 , GOL B:1297 , ZN B:1300 , HOH B:2113 , HOH B:2177 , HOH B:2233BINDING SITE FOR RESIDUE AZI B1292
06AC6SOFTWAREHIS B:116 , HIS B:118 , HIS B:196 , ZN B:1300 , HOH B:2113 , HOH B:2243BINDING SITE FOR RESIDUE ZN B1299
07AC7SOFTWAREASP B:120 , CYS B:221 , HIS B:263 , AZI B:1292 , ZN B:1299 , HOH B:2177 , HOH B:2243BINDING SITE FOR RESIDUE ZN B1300
08AC8SOFTWAREVAL B:177 , LYS B:181 , LYS B:186 , ARG B:252BINDING SITE FOR RESIDUE SO4 B1301
09AC9SOFTWARESER B:225 , THR B:226 , SER B:227 , GLY B:264 , GLU B:265 , HOH B:2246BINDING SITE FOR RESIDUE SO4 B1302
10BC1SOFTWARETHR A:33 , LYS A:103BINDING SITE FOR RESIDUE GOL A1293
11BC2SOFTWARELYS A:148 , GLU B:100 , ARG B:107 , ARG B:131 , HOH B:2091BINDING SITE FOR RESIDUE GOL A1294
12BC3SOFTWAREHIS A:196 , CYS A:221 , LYS A:224 , GLY A:232 , ASN A:233 , HIS A:263 , ZN A:1301 , HOH A:2183 , HOH A:2184 , HOH A:2259BINDING SITE FOR RESIDUE GOL A1295
13BC4SOFTWAREALA A:117 , HIS A:118 , ALA A:119 , ASN A:149 , TYR A:167BINDING SITE FOR RESIDUE GOL A1296
14BC5SOFTWAREASP A:88 , ASP A:89 , LYS A:90 , HOH A:2062BINDING SITE FOR RESIDUE GOL A1297
15BC6SOFTWAREASN A:215 , HOH A:2255BINDING SITE FOR RESIDUE GOL A1298
16BC7SOFTWAREASN A:184 , LYS A:186 , GLN A:210 , HOH A:2257BINDING SITE FOR RESIDUE GOL A1299
17BC8SOFTWAREGLN B:47 , LYS B:50 , LYS B:103 , HOH B:2039BINDING SITE FOR RESIDUE GOL A1303
18BC9SOFTWAREGOL A:1305 , GLU B:100 , GLN B:105 , ARG B:107BINDING SITE FOR RESIDUE GOL A1304
19CC1SOFTWAREGOL A:1304 , ARG B:107BINDING SITE FOR RESIDUE GOL A1305
20CC2SOFTWAREASN B:215 , ARG B:254 , ASN B:255 , HOH B:2234BINDING SITE FOR RESIDUE GOL B1293
21CC3SOFTWAREHIS B:118 , ALA B:119 , TYR B:167 , HOH B:2238BINDING SITE FOR RESIDUE GOL B1294
22CC4SOFTWAREASP B:88 , ASP B:89 , LYS B:90 , HOH B:2117 , HOH B:2239BINDING SITE FOR RESIDUE GOL B1295
23CC5SOFTWARETHR B:56 , ASN B:70 , GLY B:264 , GLU B:265 , HOH B:2022 , HOH B:2217 , HOH B:2241BINDING SITE FOR RESIDUE GOL B1296
24CC6SOFTWARELYS B:224 , ASP B:230 , LEU B:231 , GLY B:232 , AZI B:1292 , HOH B:2233BINDING SITE FOR RESIDUE GOL B1297
25CC7SOFTWARESER B:77 , THR B:176 , GLY B:183BINDING SITE FOR RESIDUE GOL B1298

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2BFK)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2BFK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2BFK)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_B_1PS00743 Beta-lactamases class B signature 1.BLA2_BACCE113-132
 
  2A:113-133
B:113-133
2BETA_LACTAMASE_B_2PS00744 Beta-lactamases class B signature 2.BLA2_BACCE189-201
 
  2A:209-224
B:209-224
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_B_1PS00743 Beta-lactamases class B signature 1.BLA2_BACCE113-132
 
  1A:113-133
-
2BETA_LACTAMASE_B_2PS00744 Beta-lactamases class B signature 2.BLA2_BACCE189-201
 
  1A:209-224
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_B_1PS00743 Beta-lactamases class B signature 1.BLA2_BACCE113-132
 
  1-
B:113-133
2BETA_LACTAMASE_B_2PS00744 Beta-lactamases class B signature 2.BLA2_BACCE189-201
 
  1-
B:209-224

(-) Exons   (0, 0)

(no "Exon" information available for 2BFK)

(-) 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:220
 aligned with BLA2_BACCE | P04190 from UniProtKB/Swiss-Prot  Length:257

    Alignment length:221
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256 
           BLA2_BACCE    37 TVIKNETGTISISQLNKNVWVHTELGSFNGEAVPSNGLVLNTSKGLVLVDSSWDDKLTKELIEMVEKKFQKRVTDVIITHAHADRIGGIKTLKERGIKAHSTALTAELAKKNGYEEPLGDLQTVTNLKFGNMKVETFYPGKGHTEDNIVVWLPQYNILVGGCLVKSTSAKDLGNVADAYVNEWSTSIENVLKRYRNINAVVPGHGEVGDKGLLLHTLDLLK 257
               SCOP domains d2bfka_ A: automated matches                                                                                                                                                                                                  SCOP domains
               CATH domains 2bfkA00 A:33-291 Metallo-beta -lactamase, chain A                                                                                                                                                                             CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee.....eeeee....eeeeeeeee..-.eeeeeeeeeee..eeeee....hhhhhhhhhhhhhhhhh..eeeee....hhhhhhhhhhhhhh..eee.hhhhhhhhhhh...........eeeeee..eeeeee...........eee.....eeeeehhh..............hhhhhhhhhhhhhhhh....eeee.......hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------BETA_LACTAMASE_B_1  --------------------------------------------------------BETA_LACTAMAS-------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bfk A  33 TVIKNETGTISISQLNKNVWVHTELGSFN-EAVPSNGLVLNTSKGLVLVDSSWDDKLTKELIEMVEKKFQKRVTDVIITHAHADCIGGIKTLKERGIKAHSTALTAELAKKNGYEEPLGDLQTVTNLKFGNMKVETFYPGKGHTEDNIVVWLPQYNILVGGCLVKSTSAKDLGNVADAYVNEWSTSIENVLKRYRNINAVVPGHGEVGDKGLLLHTLDLLK 291
                                    42  ||    53        |-||      74        84        94     ||105 ||    116       126    || 137       147  ||   173       183       193       203 || || 219       229       239       249       259     ||280       290 
                                       45|             62 ||                               100|  107|                   131|              150|                                   205| ||                                               265|              
                                        47               64|                                102   109                    133               167                                    209 ||                                                277              
                                                          66                                                                                                                        211|                                                                 
                                                                                                                                                                                     215                                                                 

Chain B from PDB  Type:PROTEIN  Length:220
 aligned with BLA2_BACCE | P04190 from UniProtKB/Swiss-Prot  Length:257

    Alignment length:222
                                    45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255  
           BLA2_BACCE    36 KTVIKNETGTISISQLNKNVWVHTELGSFNGEAVPSNGLVLNTSKGLVLVDSSWDDKLTKELIEMVEKKFQKRVTDVIITHAHADRIGGIKTLKERGIKAHSTALTAELAKKNGYEEPLGDLQTVTNLKFGNMKVETFYPGKGHTEDNIVVWLPQYNILVGGCLVKSTSAKDLGNVADAYVNEWSTSIENVLKRYRNINAVVPGHGEVGDKGLLLHTLDLLK 257
               SCOP domains d2bfkb_ B: automated matches                                                                                                                                                                                                   SCOP domains
               CATH domains 2bfkB00 B:32-291 Metallo-beta  -lactamase, chain A                                                                                                                                                                             CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eee.....eeeeeee..eeeeeeeee.--.eeeeeeeeeee..eeeee....hhhhhhhhhhhhhhhhh..eeeee....hhhhhhhhhhhhhh..eee.hhhhhhhhhhh...........eeeeee..eeeeee...........eee.....eeeeehhh..............hhhhhhhhhhhhhhhh....eeee.......hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------BETA_LACTAMASE_B_1  --------------------------------------------------------BETA_LACTAMAS-------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2bfk B  32 KTVIKNETGTISISQLNKNVWVHTELGSF--EAVPSNGLVLNTSKGLVLVDSSWDDKLTKELIEMVEKKFQKRVTDVIITHAHADCIGGIKTLKERGIKAHSTALTAELAKKNGYEEPLGDLQTVTNLKFGNMKVETFYPGKGHTEDNIVVWLPQYNILVGGCLVKSTSAKDLGNVADAYVNEWSTSIENVLKRYRNINAVVPGHGEVGDKGLLLHTLDLLK 291
                                    41   ||   52        |- ||     73        83        93      |104  ||   115       125     ||136       146   ||  172       182       192       202  || ||218       228       238       248       258      |279       289  
                                        45|            61 64|                               100|  107|                   131|              150|                                   205| ||                                               265|              
                                         47                66                                102   109                    133               167                                    209 ||                                                277              
                                                                                                                                                                                     211|                                                                 
                                                                                                                                                                                      215                                                                 

   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  (1, 2)

Asymmetric Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BFK)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (BLA2_BACCE | P04190)
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.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0017001    antibiotic catabolic process    The chemical reactions and pathways resulting in the breakdown of antibiotic, a substance produced by or derived from certain fungi, bacteria, and other organisms, that can destroy or inhibit the growth of other microorganisms.
    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: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
        BLA2_BACCE | P041901bc2 1bmc 1bvt 1dxk 1mqo 2bc2 2bfl 2bfz 2bg2 2bg6 2bg7 2bg8 2bga 2m5c 2m5d 2nxa 2nyp 2nze 2nzf 2uyx 3bc2 3fcz 3i0v 3i11 3i13 3i14 3i15 3knr 3kns 4c09 4c1c 4c1h 4nq4 4nq5 4nq6 4nq7 4tyt 5fqa 5fqb 5jmx 5w8w

(-) Related Entries Specified in the PDB File

1bc2 ZN-DEPENDENT METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS
1bmc STRUCTURE OF A ZINC METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS
1bvt METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS 569/H/9
1dxk METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS 569/H/9 C168S MUTANT
1mqo METALLO-BETA-LACTAMASE BCII CD SUBSTITUTED FROM BACILLUS CEREUS AT 1.35 ANGSTROMS RESOLUTION
2bc2 METALLO BETA-LACTAMASE II FROM BACILLUS CEREUS 569/H/9 AT PH 6.0, TRIGONAL CRYSTAL FORM
2bfl BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH5 USING 20MM ZNSO4 IN BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT.
2bfz BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH4.5 USING 20MM ZNSO4 IN BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT. CYS221 IS OXIDIZED.
2bg2 BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH4.5 USING 20MM ZNSO4 IN THE BUFFER. 1MM DTT AND 1MM TCEP-HCL WERE USED AS REDUCING AGENTS. CYS221 IS REDUCED.
2bg6 BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH5 USING 20 MICROMOLAR ZNSO4 IN THE BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT. CYS221 IS OXIDIZED.
2bg7 BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH4.5 USING 20 MICROMOLAR ZNSO4 IN THE BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT. CYS221 IS OXIDIZED.
2bg8 BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH4.5 USING 20 MICROMOLAR ZNSO4 IN THE BUFFER. 1MM DTT AND 1MM TCEP-HCL WERE USED AS REDUCING AGENTS.
2bga BACILLUS CEREUS METALLO-BETA-LACTAMASE (BCII ) ARG (121) CYS MUTANT. SOLVED AT PH7 USING 20 MICROMOLAR ZNSO4 IN THE BUFFER. 1MM DTT WAS USED AS A REDUCING AGENT. CYS221 IS OXIDIZED.
3bc2 METALLO BETA-LACTAMASE II FROM BACILLUS CEREUS 569/H/9 AT PH 6.0, MONOCLINIC CRYSTAL FORM