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(-) Description

Title :  HIV-1 ANTIBODY 2F5 IN COMPLEX WITH EPITOPE SCAFFOLD ES2
 
Authors :  G. Ofek, F. J. Guenaga, W. R. Schief, J. Skinner, D. Baker, R. Wyatt, P. D.
Date :  15 Jan 10  (Deposition) - 29 Sep 10  (Release) - 24 Nov 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,H,L
Biol. Unit 1:  A,H,L  (1x)
Biol. Unit 2:  A  (1x)
Biol. Unit 3:  H,L  (1x)
Keywords :  Hiv-1, Gp41, Monoclonal Antibody, 2F5, Scaffold, Epitope, Transplant, Graft, Sigma Factor, Re-Elicitation, Immune System, Vaccine Design (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  G. Ofek, F. J. Guenaga, W. R. Schief, J. Skinner, D. Baker, R. Wyatt, P. D. Kwong
Elicitation Of Structure-Specific Antibodies By Epitope Scaffolds.
Proc. Natl. Acad. Sci. Usa V. 107 17880 2010
PubMed-ID: 20876137  |  Reference-DOI: 10.1073/PNAS.1004728107

(-) Compounds

Molecule 1 - RNA POLYMERASE SIGMA FACTOR
    ChainsA
    EngineeredYES
    Expression SystemHOMO SAPIENS
    Expression System PlasmidCMV-R
    Expression System StrainEMBRYONIC KIDNEY CELL LINE 293 FREESTYLE
    Expression System Taxid9606
    Expression System Vector TypePLASMID
    FragmentUNP RESIDUES 93-271
    GeneSIGMA FACTOR SIGA
    Organism ScientificTHERMUS AQUATICUS
    Organism Taxid271
 
Molecule 2 - 2F5 ANTIBODY LIGHT CHAIN
    ChainsL
    EngineeredYES
    Expression SystemHOMO SAPIENS
    Expression System CommonHUMAN
    Expression System StrainCELL LINE CB-F7
    Expression System Taxid9606
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsHETEROMYELOMA CELL LINE FUSED WITH PERIPHERAL BLOOD MONONUCLEAR CELLS
 
Molecule 3 - 2F5 ANTIBODY HEAVY CHAIN
    ChainsH
    EngineeredYES
    Expression SystemHOMO SAPIENS
    Expression System CommonHUMAN
    Expression System StrainCELL LINE CB-F7
    Expression System Taxid9606
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsHETEROMYELOMA CELL LINE FUSED WITH PERIPHERAL BLOOD MONONUCLEAR CELLS

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit AHL
Biological Unit 1 (1x)AHL
Biological Unit 2 (1x)A  
Biological Unit 3 (1x) HL

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (3, 3)
No.NameCountTypeFull Name
11PE1Ligand/IonPENTAETHYLENE GLYCOL
2ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
3GOL1Ligand/IonGLYCEROL
Biological Unit 1 (3, 3)
No.NameCountTypeFull Name
11PE1Ligand/IonPENTAETHYLENE GLYCOL
2ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
3GOL1Ligand/IonGLYCEROL
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
11PE-1Ligand/IonPENTAETHYLENE GLYCOL
2ATP-1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
3GOL-1Ligand/IonGLYCEROL
Biological Unit 3 (3, 3)
No.NameCountTypeFull Name
11PE1Ligand/IonPENTAETHYLENE GLYCOL
2ATP1Ligand/IonADENOSINE-5'-TRIPHOSPHATE
3GOL1Ligand/IonGLYCEROL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER L:9 , PRO L:40 , GLY L:41 , TYR L:87 , GLY L:101 , ARG L:103BINDING SITE FOR RESIDUE 1PE L 215
2AC2SOFTWAREARG A:97 , LYS A:149 , ASP A:175 , LYS A:179 , LYS A:186 , LEU A:189 , ARG A:193 , SER A:212 , PRO H:61 , ASN H:64 , THR H:65 , HOH H:257BINDING SITE FOR RESIDUE ATP H 219
3AC3SOFTWAREARG H:100H , HOH H:283 , HOH H:284 , HOH H:285 , HOH H:286 , HOH H:287BINDING SITE FOR RESIDUE GOL H 220

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1H:22 -H:92
2H:140 -H:196
3L:23 -L:88
4L:134 -L:194

(-) Cis Peptide Bonds  (5, 5)

Asymmetric Unit
No.Residues
1Ser L:7 -Pro L:8
2Tyr L:94 -Pro L:95
3Tyr L:140 -Pro L:141
4Phe H:146 -Pro H:147
5Glu H:148 -Pro H:149

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3LEV)

(-) 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:177
 aligned with SIGA_THEAQ | Q9EZJ8 from UniProtKB/Swiss-Prot  Length:438

    Alignment length:177
                                   102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       
          SIGA_THEAQ     93 SDPVRQYLHEIGQVPLLTLEEEIDLARKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTARIQKIPGLKEKPDPKTVEEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRRFKFSTYATWWIRQAINRAIADQ  269
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhh...eehhhhhhhhhhhhhhh.hhhhhh.......hhhhhhhhhhhhhh................hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                3lev A   93 SDPVRQYLHEIGEVLELDKWAELGAAAKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTAAIQKIPGLKEKPDPKTVEEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRGFAFSTYATWWIRQAINRAIADQ  269
                                   102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       

Chain H from PDB  Type:PROTEIN  Length:237
                                                                                                                                                                                                                                                                              
               SCOP domains d3levh1 H:1-113 Immunoglobulin heavy chain variable domain, VH                                                                      d3levh2 H:114-218 Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma                           SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee...ee.....eeeeeeee.........eeeeeee......eeeeeee....eee.hhhh..eeeeee....eeeeee...hhhhheeeeeeee...eee..eeeehhhhh...ee...eeeee........eeeee.............eeeeeeee.....eeee.hhh....eee...ee.....eeeeeee............eeeeeehhhheeeeee........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                3lev H    1 RITLKESGPPLVKPTQTLTLTCSFSGFSLSDFGVGVGWIRQPPGKALEWLAIIYSDDDKRYSPSLNTRLTITKDTSKNQVVLVMTRVSPVDTATYFCAHRRGPTTLFGVPIARGPVNAMDVWGQGITVTISSTSTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDK  218
                                    10        20        30     || 38        48        58        68        78    ||| 85        95     |100E|||||||101       111       121       131       141       151       161       171       181       191       201       211       
                                                             35A|                                             82A||               100A|||||100J||||                                                                                                                      
                                                              35B                                              82B|                100B|||||100K|||                                                                                                                      
                                                                                                                82C                 100C|||||100L||                                                                                                                      
                                                                                                                                     100D|||||100M|                                                                                                                      
                                                                                                                                      100E|||| 100N                                                                                                                      
                                                                                                                                       100F|||                                                                                                                           
                                                                                                                                        100G||                                                                                                                           
                                                                                                                                         100H|                                                                                                                           
                                                                                                                                          100I                                                                                                                           

Chain L from PDB  Type:PROTEIN  Length:214
                                                                                                                                                                                                                                                       
               SCOP domains d3levl1 L:1-107 Immunoglobulin light chain kappa variable domain, VL-kappa                                 d3levl2 L:108-214 Immunoglobulin light chain kappa constant domain, CL-kappa                                SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee..eeee.....eeeeeee.......eeeeee......eeeee...ee.......eeeeee..eeeeee...hhhhh.eeeeee..ee.......eeeee.......ee.....hhhhhh..eeeeeeeeeee.....eeeeee..eee...eeeee.........eeeeeeeeeehhhhh...eeeeeee.......ee..ee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                3lev L    1 ALQLTQSPSSLSASVGDRITITCRASQGVTSALAWYRQKPGSPPQLLIYDASSLESGVPSRFSGSGSGTEFTLTISTLRPEDFATYYCQQLHFYPHTFGGGTRVDVRRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC  214
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210    

   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  (4, 4)

Asymmetric Unit

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A   (SIGA_THEAQ | Q9EZJ8)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0016987    sigma factor activity    A sigma factor is the promoter specificity subunit of eubacterial-type multisubunit RNA polymerases, those whose core subunit composition is often described as alpha(2)-beta-beta-prime. (This type of multisubunit RNA polymerase complex is known to be found in eubacteria and plant plastids). Although sigma does not bind DNA on its own, when combined with the core to form the holoenzyme, this binds specifically to promoter sequences, with the sigma factor making sequence specific contacts with the promoter elements. The sigma subunit is released from the elongating form of the polymerase and is thus free to act catalytically for multiple RNA polymerase core enzymes.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
biological process
    GO:0006352    DNA-templated transcription, initiation    Any process involved in the assembly of the RNA polymerase preinitiation complex (PIC) at the core promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. The initiation phase ends just before and does not include promoter clearance, or release, which is the transition between the initiation and elongation phases of transcription.
    GO:0010468    regulation of gene expression    Any process that modulates the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0001123    transcription initiation from bacterial-type RNA polymerase promoter    Any process involved in the assembly of bacterial-type RNA polymerase preinitiation complex (PIC) at the core promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. The initiation phase ends just before and does not include promoter clearance, or release, which is the transition between the initiation and elongation phases of transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

UniProtKB/Swiss-Prot
        SIGA_THEAQ | Q9EZJ81ku2 1ku3 1ku7 1l9u 1l9z 1rio 3les 3n97 3ugo 3ugp 4ki2 4xln 4xlp 4xlq 4xlr 4xls 5tjg

(-) Related Entries Specified in the PDB File

1tji CRYSTAL STRUCTURE OF THE BROADLY NEUTRALIZING ANTI-HIV-1 ANTIBODY 2F5 IN COMPLEX WITH A GP41 17MER
3les 2F5 EPITOPE SCAFFOLD ES2
3lex 2F5 EPITOPE SCAFFOLD ELICITED ANTI-HIV-1 MONOCLONAL ANTIBODY 11F10 IN COMPLEX WITH HIV-1 GP41
3ley 2F5 EPITOPE SCAFFOLD ELICITED ANTI-HIV-1 MONOCLONAL ANTIBODY 6A7 IN COMPLEX WITH HIV-1 GP41