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(-) Description

Title :  CTX-M-14 E166A WITH ACYLATED CEFTAZIDIME MOLECULE
 
Authors :  M. Patel, V. Stojanoski, B. Sankaran, B. V. V. Prasad, T. Palzkill
Date :  06 Dec 16  (Deposition) - 28 Jun 17  (Release) - 28 Jun 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.40
Chains :  Asym./Biol. Unit :  A
Keywords :  Ctx-M Beta-Lactamase, Ceftazidime Acyl-Enzyme Complex, Hydrolase- Antibiotic Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. P. Patel, L. Hu, V. Stojanoski, B. Sankaran, B. V. V. Prasad, T. Palzkill
The Drug-Resistant Variant P167S Expands The Substrate Profile Of Ctx-M Beta-Lactamases For Oxyimino-Cephalosporin Antibiotics By Enlarging The Active Site Upon Acylation.
Biochemistry 2017
PubMed-ID: 28613873  |  Reference-DOI: 10.1021/ACS.BIOCHEM.7B00176

(-) Compounds

Molecule 1 - BETA-LACTAMASE
    Chains: A
    EC Number: 3.5.2.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Fragment: UNP RESIDUES 24-284
    Gene: CTX-M-14
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1CAZ1Ligand/IonACYLATED CEFTAZIDIME
2NO32Ligand/IonNITRATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:39 , CYS A:69 , SER A:70 , ASN A:104 , TYR A:105 , ASN A:114 , SER A:130 , ASN A:132 , PRO A:167 , ASN A:170 , LYS A:234 , THR A:235 , GLY A:236 , SER A:237 , GLY A:238 , ASP A:240 , HOH A:412 , HOH A:430 , HOH A:437 , HOH A:471 , HOH A:566 , HOH A:600binding site for residue CAZ A 301
2AC2SOFTWARESER A:70 , LYS A:73 , ASN A:132 , MET A:135 , ALA A:166 , LEU A:169 , ASN A:170binding site for residue NO3 A 302
3AC3SOFTWAREARG A:43 , ARG A:65 , GLY A:175 , HOH A:478 , HOH A:567binding site for residue NO3 A 303

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5U53)

(-) Cis Peptide Bonds  (1, 1)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5U53)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5U53)

(-) Exons   (0, 0)

(no "Exon" information available for 5U53)

(-) 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:261
                                                                                                                                                                                                                                                                                                     
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh.eeeeeeee.....eeee.....ee.hhhhhhhhhhhhhhhhhhh.hhhh.eeeehhhhh.....hhhhhh.eeeehhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhh....hhhhhhhhhhhhhh......hhhhhh....eeeeeeeee...eeeeeeeee......eeeeeeee........hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5u53 A  27 SAVQQKLAALEKSSTGRLGVALIDTADNTQVLYRGDERFPMCSTSKVMAAAAVLKQSETQKQLLNQPVEIKPADLVNYNPIAEKHVNGTMTLAELSAAALQYSDNTAMNKLIAQLGGPGGVTAFARAIGDETFRLDRTAPTLNTAIPGDPRDTTTPRAMAQTLRQLTLGHALGETQRAQLVTWLKGNTTGAASIRAGLPTSWTVGDKTGSGDYGTTNDIAVIWPQGRAPLVLVTYFTQPQQNAESRRDVLASAARIIAEGL 290
                                    36        46        56||      67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237||     248   ||  259       269       279       289 
                                                         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  (0, 0)

(no "SCOP Domain" information available for 5U53)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5U53)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5U53)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Ala A:166 - Pro A:167   [ RasMol ]  
 

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UniProtKB/TrEMBL
        H6UQI0_ECOLX | H6UQI0: 4ua6 4ua7 4ua9 4uaa

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