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(-) Description

Title :  FRAGMENT-BASED APPROACH TO THE DESIGN OF LIGANDS TARGETING A NOVEL SITE ON HIV-1 INTEGRASE
 
Authors :  J. Wielens, S. J. Headey, M. W. Parker, D. K. Chalmers, M. J. Scanlon
Date :  20 Sep 10  (Deposition) - 09 Mar 11  (Release) - 09 Mar 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.95
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Dna Integration, Aids, Integrase, Endonuclease, Polynucleotidyl Transferase, Dna Binding, Viral Protein, Rnaseh, Fragment Binding, Viral Protein-Transferase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Wielens, S. J. Headey, J. J. Deadman, D. I. Rhodes, M. W. Parker, D. K. Chalmers, M. J. Scanlon
Fragment-Based Design Of Ligands Targeting A Novel Site On The Integrase Enzyme Of Human Immunodeficiency Virus 1
Chemmedchem V. 6 258 2011
PubMed-ID: 21275048  |  Reference-DOI: 10.1002/CMDC.201000483

(-) Compounds

Molecule 1 - POL POLYPROTEIN
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET23B+
    Expression System StrainBL21
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentINTEGRASE CATALYTIC CORE DOMAIN, UNP RESIDUES 765-927
    GenePOL
    MutationYES
    Organism ScientificHUMAN IMMUNODEFICIENCY VIRUS 1
    Organism Taxid11676
    StrainNL43

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 11)

Asymmetric/Biological Unit (4, 11)
No.NameCountTypeFull Name
18332Ligand/Ion3-(1,3-BENZODIOXOL-5-YL)-1-METHYL-1H-PYRAZOL-5-AMINE
2CD4Ligand/IonCADMIUM ION
3CL2Ligand/IonCHLORIDE ION
4SO43Ligand/IonSULFATE ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWARECYS A:65 , HIS A:67 , GLU A:92 , CD A:1002 , ASP B:131BINDING SITE FOR RESIDUE CD A 1001
02AC2SOFTWAREHOH A:6 , HOH A:19 , CYS A:65 , GLU A:92 , ASP A:116 , CL A:501 , CD A:1001BINDING SITE FOR RESIDUE CD A 1002
03AC3SOFTWARECYS A:65 , ASP A:116 , ASN A:120 , CD A:1002BINDING SITE FOR RESIDUE CL A 501
04AC4SOFTWAREHOH A:33 , LYS A:71 , HIS A:171 , LEU A:172BINDING SITE FOR RESIDUE SO4 A 752
05AC5SOFTWARETHR A:66 , HIS A:67 , LYS A:159 , ARG B:127 , LYS B:188BINDING SITE FOR RESIDUE SO4 A 753
06AC6SOFTWARETYR A:83 , ASN A:184 , HIS A:185 , GLY A:197 , GLU A:198 , HOH A:217 , GLY B:106 , ARG B:107 , TRP B:108 , PRO B:109 , ILE B:204 , ASP B:207BINDING SITE FOR RESIDUE 833 A 1
07AC7SOFTWAREASP A:131 , CYS B:65 , HIS B:67 , GLU B:92 , CD B:1004BINDING SITE FOR RESIDUE CD B 1003
08AC8SOFTWAREHOH B:31 , HOH B:45 , CYS B:65 , GLU B:92 , ASP B:116 , CL B:502 , CD B:1003BINDING SITE FOR RESIDUE CD B 1004
09AC9SOFTWARECYS B:65 , GLU B:92 , ASP B:116 , ASN B:120 , CD B:1004BINDING SITE FOR RESIDUE CL B 502
10BC1SOFTWAREHOH B:25 , LYS B:71 , ARG B:166 , GLU B:170 , HIS B:171 , LEU B:172BINDING SITE FOR RESIDUE SO4 B 751
11BC2SOFTWAREGLY A:106 , ARG A:107 , TRP A:108 , PRO A:109 , ILE A:204 , ASP A:207 , TYR B:83 , ASN B:184 , HIS B:185 , GLY B:197 , GLU B:198 , VAL B:201BINDING SITE FOR RESIDUE 833 B 1

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3AO4)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3AO4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3AO4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3AO4)

(-) Exons   (0, 0)

(no "Exon" information available for 3AO4)

(-) 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:139
 aligned with Q72498_9HIV1 | Q72498 from UniProtKB/TrEMBL  Length:1003

    Alignment length:151
                                   781       791       801       811       821       831       841       851       861       871       881       891       901       911       921 
         Q72498_9HIV1   772 SPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHTDNGSNFTSTTVKAACWWAGIKQEFGIPYNPQSQGVIESMNKELKKIIGQVRDQAEHLKTAVQMAVFIHNFKRKGGIGGYSAGERIVDIIATD 922
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeeee..eeeeeeee.....eeeeee...hhhhhhhhhhhhhhhh...eee...hhhhhhhhhhhhhhhhh.ee.------------hhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh........hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ao4 A  57 SPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHTDNGSNFTGATVRAACDWAGIKQE------------IESMNKELKKIIGQVRDQAEHLKTAVQMAVFIHNHKRKGGIGGYSAGERIVDIIATD 207
                                    66        76        86        96       106       116       126       136 |       -    |  156       166       176       186       196       206 
                                                                                                           138          151                                                        

Chain B from PDB  Type:PROTEIN  Length:133
 aligned with Q72498_9HIV1 | Q72498 from UniProtKB/TrEMBL  Length:1003

    Alignment length:151
                                   781       791       801       811       821       831       841       851       861       871       881       891       901       911       921 
         Q72498_9HIV1   772 SPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHTDNGSNFTSTTVKAACWWAGIKQEFGIPYNPQSQGVIESMNKELKKIIGQVRDQAEHLKTAVQMAVFIHNFKRKGGIGGYSAGERIVDIIATD 922
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeeee..eeeeeeee.....eeeeee...hhhhhhhhhhhhhh.....eee...hhhhhhhhhhhhhhhhh.eee-------------hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh..-----.hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ao4 B  57 SPGIWQLDCTHLEGKVILVAVHVASGYIEAEVIPAETGQETAYFLLKLAGRWPVKTVHTDNGSNFTGATVRAACDWAGIKQE-------------ESMNKELKKIIGQVRDQAEHLKTAVQMAVFIHNHKRK-----YSAGERIVDIIATD 207
                                    66        76        86        96       106       116       126       136 |       -     | 156       166       176       186 |     196       206 
                                                                                                           138           152                                 188   194             

   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  (0, 0)

(no "SCOP Domain" information available for 3AO4)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3AO4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3AO4)

(-) Gene Ontology  (23, 23)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q72498_9HIV1 | Q72498)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0004523    RNA-DNA hybrid ribonuclease activity    Catalysis of the endonucleolytic cleavage of RNA in RNA-DNA hybrids to 5'-phosphomonoesters.
    GO:0003964    RNA-directed DNA polymerase activity    Catalysis of the reaction: deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1). Catalyzes RNA-template-directed extension of the 3'- end of a DNA strand by one deoxynucleotide at a time.
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    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:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    GO:0016779    nucleotidyltransferase activity    Catalysis of the transfer of a nucleotidyl group to a reactant.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0015074    DNA integration    The process in which a segment of DNA is incorporated into another, usually larger, DNA molecule such as a chromosome.
    GO:0006310    DNA recombination    Any process in which a new genotype is formed by reassortment of genes resulting in gene combinations different from those that were present in the parents. In eukaryotes genetic recombination can occur by chromosome assortment, intrachromosomal recombination, or nonreciprocal interchromosomal recombination. Intrachromosomal recombination occurs by crossing over. In bacteria it may occur by genetic transformation, conjugation, transduction, or F-duction.
    GO:0090502    RNA phosphodiester bond hydrolysis, endonucleolytic    The chemical reactions and pathways involving the hydrolysis of internal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
    GO:0006278    RNA-dependent DNA biosynthetic process    A DNA biosynthetic process that uses RNA as a template for RNA-dependent DNA polymerases (e.g. reverse transcriptase) that synthesize the new strand.
    GO:0075713    establishment of integrated proviral latency    A process by which the virus integrates into the host genome and establishes as a stable provirus or prophage.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.

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 Related Entries

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

UniProtKB/Swiss-Prot
        Q72498_9HIV1 | Q724981k6y 3ao2
UniProtKB/TrEMBL
        Q72498_9HIV1 | Q724983ao1 3ao3 3ao5 3l3u 3l3v 3ovn 3vq4 3vq5 3vq6 3vq7 3vq8 3vq9 3vqa 3vqb 3vqc 3vqd 3vqe 3vqp 3vqq 5hot

(-) Related Entries Specified in the PDB File

1bl3 HIV-1 INTEGRASE CORE DOMAIN
3ao1
3ao2
3ao3
3ao5
3l3u HIV-1 INTEGRASE CORE DOMAIN
3ovn