1dfb

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{{STRUCTURE_1dfb| PDB=1dfb | SCENE= }}
{{STRUCTURE_1dfb| PDB=1dfb | SCENE= }}
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'''STRUCTURE OF A HUMAN MONOCLONAL ANTIBODY FAB FRAGMENT AGAINST GP41 OF HUMAN IMMUNODEFICIENCY VIRUS TYPE I'''
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===STRUCTURE OF A HUMAN MONOCLONAL ANTIBODY FAB FRAGMENT AGAINST GP41 OF HUMAN IMMUNODEFICIENCY VIRUS TYPE I===
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==Overview==
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The three-dimensional structure of a human monoclonal antibody (Fab), which binds specifically to a major epitope of the transmembrane protein gp41 of the human immunodeficiency virus type 1, has been determined by crystallographic methods to a resolution of 2.7 A. It has been previously determined that this antibody recognizes the epitope SGKLICTTAVPWNAS, belongs to the subclass IgG1 (kappa), and exhibits antibody-dependent cellular cytotoxicity. The quaternary structure of the Fab is in an extended conformation with an elbow bend angle between the constant and variable domains of 175 degrees. Structurally, four of the hypervariable loops can be classified according to previously recognized canonical structures. The third hypervariable loops of the heavy (H3) and light chain (L3) are structurally distinct. Hypervariable loop H3, residues 102H-109H, is unusually extended from the surface. The complementarity-determining region forms a hydrophobic binding pocket that is created primarily from hypervariable loops L3, H3, and H2.
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(as it appears on PubMed at http://www.pubmed.gov), where 1496010 is the PubMed ID number.
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{{ABSTRACT_PUBMED_1496010}}
==About this Structure==
==About this Structure==
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[[Category: Rueker, F.]]
[[Category: Rueker, F.]]
[[Category: Immunoglobulin]]
[[Category: Immunoglobulin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:47:23 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 22:59:20 2008''

Revision as of 19:59, 30 June 2008

Image:1dfb.png

Template:STRUCTURE 1dfb

STRUCTURE OF A HUMAN MONOCLONAL ANTIBODY FAB FRAGMENT AGAINST GP41 OF HUMAN IMMUNODEFICIENCY VIRUS TYPE I

Template:ABSTRACT PUBMED 1496010

About this Structure

1DFB is a Protein complex structure. Full crystallographic information is available from OCA.

Reference

Structure of a human monoclonal antibody Fab fragment against gp41 of human immunodeficiency virus type 1., He XM, Ruker F, Casale E, Carter DC, Proc Natl Acad Sci U S A. 1992 Aug 1;89(15):7154-8. PMID:1496010

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