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(-) Description

Title :  FREE STRUCTURE OF AN ANTI-METHOTREXATE CDR1-4 GRAFT VHH ANTIBODY
 
Authors :  S. W. Fanning, J. R. Horn
Date :  02 Mar 11  (Deposition) - 27 Jul 11  (Release) - 11 Sep 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym. Unit :  A,B,C,D,E
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  C,D  (1x)
Biol. Unit 4:  C,D  (1x)
Biol. Unit 5:  E  (1x)
Keywords :  Camelid Single Domain Antibody, Heavy Chain Only, Vhh, Antibody, Anti-Hapten Antibody, Cdr, Hapten Binding, Small Molecule Sensing, Ligand Binding, Low Molecular Weight Compound, Methotrexate, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. W. Fanning, J. R. Horn
An Anti-Hapten Camelid Antibody Reveals A Cryptic Binding Site With Significant Energetic Contributions From A Nonhypervariable Loop.
Protein Sci. V. 20 1196 2011
PubMed-ID: 21557375  |  Reference-DOI: 10.1002/PRO.648

(-) Compounds

Molecule 1 - ANTI-METHOTREXATE CDR1-4 GRAFT VHH
    ChainsA, B, C, D, E
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET21(A)+
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    Organism CommonLLAMA
    Organism ScientificLAMA GLAMA
    Organism Taxid9844

 Structural Features

(-) Chains, Units

  12345
Asymmetric Unit ABCDE
Biological Unit 1 (1x)A    
Biological Unit 2 (1x) B   
Biological Unit 3 (1x)  CD 
Biological Unit 4 (1x)  CD 
Biological Unit 5 (1x)    E

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1NA1Ligand/IonSODIUM ION
2SO42Ligand/IonSULFATE ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION
2SO4-1Ligand/IonSULFATE ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION
2SO4-1Ligand/IonSULFATE ION
Biological Unit 3 (1, 1)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION
2SO41Ligand/IonSULFATE ION
Biological Unit 4 (1, 1)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION
2SO41Ligand/IonSULFATE ION
Biological Unit 5 (1, 1)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION
2SO41Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER C:130 , ASP D:101 , ASN D:103 , THR D:106 , GLY D:112 , HOH D:1056BINDING SITE FOR RESIDUE NA D 2000
2AC2SOFTWAREGLN D:41 , GLU D:46 , ARG D:47 , ARG D:110BINDING SITE FOR RESIDUE SO4 D 3000
3AC3SOFTWAREARG E:28 , ARG E:29 , SER E:30BINDING SITE FOR RESIDUE SO4 E 3000

(-) SS Bonds  (5, 5)

Asymmetric Unit
No.Residues
1A:24 -A:98
2B:24 -B:98
3C:24 -C:98
4D:24 -D:98
5E:24 -E:98

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3QXW)

(-) 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:124
                                                                                                                                                            
               SCOP domains d3qxwa_ A: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee..eeee....eeeeeee.hhhhhhheeeeeee......eeeeee......eee.hhhh..eeeeee....eeeeee...hhhhheeeeeeee..hhhhhh.....ee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 3qxw A   3 QVQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDNAEYLVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS 131
                                    12        22        32        42        52        62        72        82        92       102       112||     127    
                                                                                                                                        113|            
                                                                                                                                         119            

Chain B from PDB  Type:PROTEIN  Length:124
                                                                                                                                                            
               SCOP domains d3qxwb_ B: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeee..eeee....eeeeeee.hhhhhhheeeeeee......eeeeee......eee.......eeeeee....eeeeee...hhhhheeeeeeee..hhhhhh.....ee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 3qxw B   3 QVQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDNAEYLVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS 131
                                    12        22        32        42        52        62        72        82        92       102       112||     127    
                                                                                                                                        113|            
                                                                                                                                         119            

Chain C from PDB  Type:PROTEIN  Length:119
                                                                                                                                                       
               SCOP domains d3qxwc_ C: automated matches                                                                                            SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...eee....eeeeeee....eeeeeee......eeeeee......eee.......eeeeee....eeeeee...hhhhheeeeeeee...hhhhh.....ee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 3qxw C   4 VQLVESGGGLVQAGGSLRLSCAASRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDNAEYLVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS 131
                                    13        23   ||   37        47        57        67        77        87        97       107     ||122         
                                                  27|                                                                              113|            
                                                   32                                                                               119            

Chain D from PDB  Type:PROTEIN  Length:123
                                                                                                                                                           
               SCOP domains d3qxwd_ D: automated matches                                                                                                SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..eeee....eeeeeee........eeeeeee......eeeeee......eee.hhhh..eeeeee....eeeeee...hhhhheeeeeeee..hhhhhh.....ee...eeeeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 3qxw D   4 VQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDNAEYLVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS 131
                                    13        23        33        43        53        63        73        83        93       103       113|      128   
                                                                                                                                       113|            
                                                                                                                                        119            

Chain E from PDB  Type:PROTEIN  Length:124
                                                                                                                                                            
               SCOP domains d3qxwe_ E: automated matches                                                                                                 SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee..eeee....eeeeeeee.......eeeeeee......eeeeee......eee.hhhh..eeeeee....eeeeee...hhhhheeeeeeee..hhhhhh.....ee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 3qxw E   3 QVQLVESGGGLVQAGGSLRLSCAASRRSSRSWAMAWFRQAPGKEREFVAKISGDGRLTTYGDSVKGRFTISRDNAEYLVYLQMDSLKPEDTAVYYCAADDNYVTASWRSGPDYWGQGTQVTVSS 131
                                    12        22        32        42        52        62        72        82        92       102       112||     127    
                                                                                                                                        113|            
                                                                                                                                         119            

   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  (1, 5)

Asymmetric Unit

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (0, 0)

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    (no "Gene Ontology" information available for 3QXW)

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(-) Related Entries Specified in the PDB File

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3qxt
3qxu
3qxv