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PDBsum entry 1vfa

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protein Protein-protein interface(s) links
Immunoglobulin PDB id
1vfa

 

 

 

 

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Contents
Protein chains
108 a.a. *
116 a.a. *
Waters ×23
* Residue conservation analysis
PDB id:
1vfa
Name: Immunoglobulin
Title: Bound water molecules and conformational stabilization help mediate an antigen-antibody association
Structure: Igg1-kappa d1.3 fv (light chain). Chain: a. Engineered: yes. Igg1-kappa d1.3 fv (heavy chain). Chain: b. Engineered: yes
Source: Mus musculus. House mouse. Organism_taxid: 10090. Expressed in: escherichia coli. Expression_system_taxid: 562. Expression_system_taxid: 562
Biol. unit: Dimer (from PQS)
Resolution:
1.80Å     R-factor:   0.158    
Authors: T.N.Bhat,R.J.Poljak
Key ref: T.N.Bhat et al. (1994). Bound water molecules and conformational stabilization help mediate an antigen-antibody association. Proc Natl Acad Sci U S A, 91, 1089-1093. PubMed id: 8302837 DOI: 10.1073/pnas.91.3.1089
Date:
03-Dec-93     Release date:   31-May-94    
PROCHECK
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 Headers
 References

Protein chain
Pfam   ArchSchema ?
P01635  (KV5A3_MOUSE) -  Immunoglobulin kappa chain variable 12-41 (Fragment) from Mus musculus
Seq:
Struc:
115 a.a.
108 a.a.*
Protein chain
Pfam   ArchSchema ?
P01820  (HVM44_MOUSE) -  Ig heavy chain V region PJ14 from Mus musculus
Seq:
Struc:
115 a.a.
116 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 8 residue positions (black crosses)

 

 
DOI no: 10.1073/pnas.91.3.1089 Proc Natl Acad Sci U S A 91:1089-1093 (1994)
PubMed id: 8302837  
 
 
Bound water molecules and conformational stabilization help mediate an antigen-antibody association.
T.N.Bhat, G.A.Bentley, G.Boulot, M.I.Greene, D.Tello, W.Dall'Acqua, H.Souchon, F.P.Schwarz, R.A.Mariuzza, R.J.Poljak.
 
  ABSTRACT  
 
We report the three-dimensional structures, at 1.8-A resolution, of the Fv fragment of the anti-hen egg white lysozyme antibody D1.3 in its free and antigen-bound forms. These structures reveal a role for solvent molecules in stabilizing the complex and provide a molecular basis for understanding the thermodynamic forces which drive the association reaction. Four water molecules are buried and others form a hydrogen-bonded network around the interface, bridging antigen and antibody. Comparison of the structures of free and bound Fv fragment of D1.3 reveals that several of the ordered water molecules in the free antibody combining site are retained and that additional water molecules link antigen and antibody upon complex formation. This solvation of the complex should weaken the hydrophobic effect, and the resulting large number of solvent-mediated hydrogen bonds, in conjunction with direct protein-protein interactions, should generate a significant enthalpic component. Furthermore, a stabilization of the relative mobilities of the antibody heavy- and light-chain variable domains and of that of the third complementarity-determining loop of the heavy chain seen in the complex should generate a negative entropic contribution opposing the enthalpic and the hydrophobic (solvent entropy) effects. This structural analysis is consistent with measurements of enthalpy and entropy changes by titration calorimetry, which show that enthalpy drives the antigen-antibody reaction. Thus, the main forces stabilizing the complex arise from antigen-antibody hydrogen bonding, van der Waals interactions, enthalpy of hydration, and conformational stabilization rather than solvent entropy (hydrophobic) effects.
 

Literature references that cite this PDB file's key reference

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PDB code: 1bvk
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PDB code: 1a2y
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Imperfect interfaces.
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9250664 D.Housset, G.Mazza, C.Grégoire, C.Piras, B.Malissen, and J.C.Fontecilla-Camps (1997).
The three-dimensional structure of a T-cell antigen receptor V alpha V beta heterodimer reveals a novel arrangement of the V beta domain.
  EMBO J, 16, 4205-4216.
PDB code: 1kb5
9354760 D.Szwajkajzer, and J.Carey (1997).
Molecular and biological constraints on ligand-binding affinity and specificity.
  Biopolymers, 44, 181-198.  
9238040 F.A.Goldbaum, C.A.Velikovsky, W.Dall'Acqua, C.A.Fossati, B.A.Fields, B.C.Braden, R.J.Poljak, and R.A.Mariuzza (1997).
Characterization of anti-anti-idiotypic antibodies that bind antigen and an anti-idiotype.
  Proc Natl Acad Sci U S A, 94, 8697-8701.  
9336207 K.A.Xavier, K.A.Shick, S.J.Smith-Gil, and R.C.Willson (1997).
Involvement of water molecules in the association of monoclonal antibody HyHEL-5 with bobwhite quail lysozyme.
  Biophys J, 73, 2116-2125.  
9492200 P.D.Hodgkin (1997).
An antigen valence theory to explain the evolution and organization of the humoral immune response.
  Immunol Cell Biol, 75, 604-618.  
8993330 P.England, F.Brégégère, and H.Bedouelle (1997).
Energetic and kinetic contributions of contact residues of antibody D1.3 in the interaction with lysozyme.
  Biochemistry, 36, 164-172.  
9413990 T.Keitel, A.Kramer, H.Wessner, C.Scholz, J.Schneider-Mergener, and W.Höhne (1997).
Crystallographic analysis of anti-p24 (HIV-1) monoclonal antibody cross-reactivity and polyspecificity.
  Cell, 91, 811-820.
PDB codes: 1bog 1cfn 1cfq 1cfs 1cft 1hi6
9035140 X.Zhang, M.Gaubin, L.Briant, V.Srikantan, R.Murali, U.Saragovi, D.Weiner, C.Devaux, M.Autiero, D.Piatier-Tonneau, and M.I.Greene (1997).
Synthetic CD4 exocyclics inhibit binding of human immunodeficiency virus type 1 envelope to CD4 and virus replication in T lymphocytes.
  Nat Biotechnol, 15, 150-154.  
8784355 A.Desmyter, T.R.Transue, M.A.Ghahroudi, M.H.Thi, F.Poortmans, R.Hamers, S.Muyldermans, and L.Wyns (1996).
Crystal structure of a camel single-domain VH antibody fragment in complex with lysozyme.
  Nat Struct Biol, 3, 803-811.
PDB code: 1mel
8952503 B.A.Fields, F.A.Goldbaum, W.Dall'Acqua, E.L.Malchiodi, A.Cauerhff, F.P.Schwarz, X.Ysern, R.J.Poljak, and R.A.Mariuzza (1996).
Hydrogen bonding and solvent structure in an antigen-antibody interface. Crystal structures and thermodynamic characterization of three Fv mutants complexed with lysozyme.
  Biochemistry, 35, 15494-15503.
PDB codes: 1kip 1kiq 1kir
8889179 B.M.Baker, and K.P.Murphy (1996).
Evaluation of linked protonation effects in protein binding reactions using isothermal titration calorimetry.
  Biophys J, 71, 2049-2055.  
8552677 D.R.Davies, and G.H.Cohen (1996).
Interactions of protein antigens with antibodies.
  Proc Natl Acad Sci U S A, 93, 7.  
8723314 F.A.Goldbaum, F.P.Schwarz, E.Eisenstein, A.Cauerhff, R.A.Mariuzza, and R.J.Poljak (1996).
The effect of water activity on the association constant and the enthalpy of reaction between lysozyme and the specific antibodies D1.3 and D44.1.
  J Mol Recognit, 9, 6.  
8873992 H.Resat, and M.Mezei (1996).
Grand canonical ensemble Monte Carlo simulation of the dCpG/proflavine crystal hydrate.
  Biophys J, 71, 1179-1190.  
8986758 H.Wu, D.G.Myszka, S.W.Tendian, C.G.Brouillette, R.W.Sweet, I.M.Chaiken, and W.A.Hendrickson (1996).
Kinetic and structural analysis of mutant CD4 receptors that are defective in HIV gp120 binding.
  Proc Natl Acad Sci U S A, 93, 15030-15035.
PDB codes: 1cdj 1cdu 1cdy
8639672 J.Cacia, R.Keck, L.G.Presta, and J.Frenz (1996).
Isomerization of an aspartic acid residue in the complementarity-determining regions of a recombinant antibody to human IgE: identification and effect on binding affinity.
  Biochemistry, 35, 1897-1903.  
8889177 J.K.Myers, and C.N.Pace (1996).
Hydrogen bonding stabilizes globular proteins.
  Biophys J, 71, 2033-2039.  
8946852 J.R.Tame, S.H.Sleigh, A.J.Wilkinson, and J.E.Ladbury (1996).
The role of water in sequence-independent ligand binding by an oligopeptide transporter protein.
  Nat Struct Biol, 3, 998.
PDB codes: 1jet 1jeu 1jev
8784199 M.J.Castro, and S.Anderson (1996).
Alanine point-mutations in the reactive region of bovine pancreatic trypsin inhibitor: effects on the kinetics and thermodynamics of binding to beta-trypsin and alpha-chymotrypsin.
  Biochemistry, 35, 11435-11446.  
8703938 W.Dall'Acqua, E.R.Goldman, E.Eisenstein, and R.A.Mariuzza (1996).
A mutational analysis of the binding of two different proteins to the same antibody.
  Biochemistry, 35, 9667-9676.  
8962085 W.E.Royer, A.Pardanani, Q.H.Gibson, E.S.Peterson, and J.M.Friedman (1996).
Ordered water molecules as key allosteric mediators in a cooperative dimeric hemoglobin.
  Proc Natl Acad Sci U S A, 93, 14526-14531.  
8619952 B.C.Braden, B.A.Fields, and R.J.Poljak (1995).
Conservation of water molecules in an antibody-antigen interaction.
  J Mol Recognit, 8, 317-325.  
7705353 F.P.Schwarz, D.Tello, F.A.Goldbaum, R.A.Mariuzza, and R.J.Poljak (1995).
Thermodynamics of antigen-antibody binding using specific anti-lysozyme antibodies.
  Eur J Biochem, 228, 388-394.  
7716167 J.Janin (1995).
Elusive affinities.
  Proteins, 21, 30-39.  
7539913 K.P.Murphy, E.Freire, and Y.Paterson (1995).
Configurational effects in antibody-antigen interactions studied by microcalorimetry.
  Proteins, 21, 83-90.  
8519982 V.Helms, and R.C.Wade (1995).
Thermodynamics of water mediating protein-ligand interactions in cytochrome P450cam: a molecular dynamics study.
  Biophys J, 69, 810-824.  
7986568 D.Tello, E.Eisenstein, F.P.Schwarz, F.A.Goldbaum, B.A.Fields, R.A.Mariuzza, and R.J.Poljak (1994).
Structural and physicochemical analysis of the reaction between the anti-lysozyme antibody D1.3 and the anti-idiotopic antibodies E225 and E5.2.
  J Mol Recognit, 7, 57-62.  
The most recent references are shown first. Citation data come partly from CiteXplore and partly from an automated harvesting procedure. Note that this is likely to be only a partial list as not all journals are covered by either method. However, we are continually building up the citation data so more and more references will be included with time. Where a reference describes a PDB structure, the PDB codes are shown on the right.

 

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