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(-) Description

Title :  STRUCTURE OF M.TUBERCULOSIS BETALACTAMASE (BLAC) WITH INHIBITOR HAVING NOVEL MECHANISM
 
Authors :  S. Hazra, J. Blanchard
Date :  28 May 14  (Deposition) - 22 Jul 15  (Release) - 30 Sep 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Betalactam, Betalactamase, Penems, Drug Resistance, Novel Mechanism, Qm/Mm, 3-Layer Sandwich, Dd-Peptidase, Beta-Lactamase Super Family, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Hazra, S. G. Kurz, K. Wolff, L. Nguyen, R. A. Bonomo, J. S. Blanchard
Kinetic And Structural Characterization Of The Interaction Of 6-Methylidene Penem 2 With The Beta-Lactamase From Mycobacterium Tuberculosis.
Biochemistry V. 54 5657 2015
PubMed-ID: 26237118  |  Reference-DOI: 10.1021/ACS.BIOCHEM.5B00698

(-) Compounds

Molecule 1 - BETA-LACTAMASE
    Chains: A
    EC Number: 3.5.2.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: BETALACTAM DESTROYING ENZYME
    Gene: BLAA, BLAC, RV2068C, MTCY49.07C
    Mutation: YES
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Strain: ATCC 25618 / H37RV
    Synonym: PENICILLINASE

 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
133V1Ligand/Ion(3R,6R,7S)-7-[(2R,3AR)-HEXAHYDROPYRAZOLO[1,5-C][1,3]THIAZIN-2-YL]-6-(HYDROXYMETHYL)-1,4-THIAZEPANE-3-CARBOXYLIC ACID
2PO42Ligand/IonPHOSPHATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:83 , SER A:84 , SER A:116 , ILE A:117 , GLU A:182 , ASN A:186 , GLU A:193 , GLY A:252 , THR A:253 , PO4 A:403 , HOH A:501 , HOH A:504 , HOH A:505 , HOH A:549 , HOH A:645 , HOH A:646 , HOH A:666 , HOH A:677BINDING SITE FOR RESIDUE 33V A 401
2AC2SOFTWAREPRO A:216 , ASP A:218 , LYS A:219 , LYS A:235 , HOH A:614 , HOH A:636BINDING SITE FOR RESIDUE PO4 A 402
3AC3SOFTWARESER A:142 , THR A:232 , LYS A:250 , THR A:251 , GLY A:252 , THR A:253 , 33V A:401 , HOH A:610 , HOH A:677BINDING SITE FOR RESIDUE PO4 A 403

(-) SS Bonds  (0, 0)

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

(-) 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 4QHC)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4QHC)

(-) 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
                                                                                                                                                                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee........eee.....ee.hhhhhhhhhhhhhhhhhhhhhh.ee..hhhhh.....hhhhh....eehhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhh....hhhhhhhhhhhhhh......hhhhhh....eeeeeeee.....eeeeeeee.....eeeeeeeeehhhhh.....hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4qhc 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)
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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 4QHC)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        BLAC_MYCTU | P9WKD3: 2gdn 3cg5 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 4x6t

(-) Related Entries Specified in the PDB File

4df6 CRYSTAL STRUCTURE OF M.TUBERCULOSIS BLAC COMPLXED WITH NXL104
4q8i CRYSTAL STRUCTURE OF M.TUBERCULOSIS BLAC COVALENTLY COMPLEXED WITH TEBIPENEM
4qb8 CRYSTAL STRUCTURE OF M.TUBERCULOSIS BLAC FORMING MM COMPLEX WITH TEBIPENEM