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(-) Description

Title :  STRUCTURE-BASED DESIGN OF NEW DIHYDROFOLATE REDUCTASE ANTIBACTERIAL AGENTS: 7-(BENZIMIDAZOL-1-YL)-2,4-DIAMINOQUINAZOLINES
 
Authors :  M. T. Hilgers
Date :  19 Jun 13  (Deposition) - 19 Feb 14  (Release) - 26 Feb 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.88
Chains :  Asym./Biol. Unit :  X
Keywords :  Dhfr, Protein-Inhibitor Complex, Folate, Nadph, Oxidoreductase- Oxidoreductase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. Lam, M. T. Hilgers, M. L. Cunningham, B. P. Kwan, K. J. Nelson, V. Brown-Driver, V. Ong, M. Trzoss, G. Hough, K. J. Shaw, J. Finn
Structure-Based Design Of New Dihydrofolate Reductase Antibacterial Agents: 7-(Benzimidazol-1-Yl)-2, 4-Diaminoquinazolines.
J. Med. Chem. V. 57 651 2014
PubMed-ID: 24428639  |  Reference-DOI: 10.1021/JM401204G

(-) Compounds

Molecule 1 - DIHYDROFOLATE REDUCTASE
    Chains: X
    EC Number: 1.5.1.3
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28
    Expression System Strain: BL21-AI
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Gene: FOLA
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Synonym: DHFR

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : X

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
11VO1Ligand/Ion7-[5,6-DIMETHYL-2-(1,3-THIAZOL-4-YL)-1H-BENZIMIDAZOL-1-YL]QUINAZOLINE-2,4-DIAMINE
2NAP1Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU X:6 , VAL X:7 , ALA X:8 , LEU X:21 , ASP X:28 , LEU X:29 , VAL X:32 , SER X:50 , PHE X:93 , NAP X:202 , HOH X:315 , HOH X:356BINDING SITE FOR RESIDUE 1VO X 201
2AC2SOFTWAREVAL X:7 , ALA X:8 , ILE X:15 , GLY X:16 , ASN X:19 , GLN X:20 , LEU X:21 , GLY X:44 , ARG X:45 , LYS X:46 , THR X:47 , LEU X:63 , THR X:64 , SER X:65 , HIS X:78 , ILE X:80 , PHE X:93 , GLY X:95 , GLN X:96 , THR X:97 , LEU X:98 , GLU X:101 , THR X:122 , 1VO X:201 , HOH X:303 , HOH X:319 , HOH X:357 , HOH X:358BINDING SITE FOR RESIDUE NAP X 202

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Gly X:94 -Gly X:95

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4LAH)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4LAH)

(-) 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    
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SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain X from PDB  Type:PROTEIN  Length:157
                                                                                                                                                                                             
               SCOP domains d4lahx_ X: Dihydrofolate reductase, prokaryotic type                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee...eee........hhhhhhhhhhhhh..eeeeehhhhhhhh......eeeee...........eee..hhhhhhh...eeeeehhhhhhhhh....eeeeeee.......ee........eeeeeeee..........eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lah X   2 TLSILVAHDLQRVIGFENQLPWHLPNDLKHVKKLSTGHTLVMGRKTFESIGKPLPNRRNVVLTSDTSFNVEGVDVIHSIEDIYQLPGHVFIFGGQTLFEEMIDKVDDMYITVIEGKFRGDTFFPPYTFEDWEVASSVEGKLDEKNTIPHTFLHLIRK 158
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151
   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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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UniProtKB/Swiss-Prot
        DYR_STAAU | P0A017: 2w9g 2w9h 3fra 3frb 3frd 3fre 3frf 3fy8 3fy9 3fyv 3fyw 3i8a 3lg4 3m08 3m09 3sgy 3sh2 3sqy 3sr5 3srq 3srr 3srs 3sru 3srw 4fgg 4fgh 4lae 4lag 4lek 4xe6 4xec 5hf0 5hf2 5isp 5isq 5ist 5jg0

(-) Related Entries Specified in the PDB File

4lae 4lag