1ad9: Difference between revisions

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[[Image:1ad9.jpg|left|200px]]
{{Seed}}
[[Image:1ad9.png|left|200px]]


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{{STRUCTURE_1ad9|  PDB=1ad9  |  SCENE=  }}  
{{STRUCTURE_1ad9|  PDB=1ad9  |  SCENE=  }}  


'''IGG-FAB FRAGMENT OF ENGINEERED HUMAN MONOCLONAL ANTIBODY CTM01'''
===IGG-FAB FRAGMENT OF ENGINEERED HUMAN MONOCLONAL ANTIBODY CTM01===




==Overview==
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The crystal structures of two pairs of Fab fragments have been determined. The pairs comprise both a murine and an engineered human form, each derived from the antitumor antibodies A5B7 and CTM01. Although antigen specificity is maintained within the pairs, antigen affinity varies. A comparison of the hypervariable loops for each pair of antibodies shows their structure has been well maintained in grafting, supporting the canonical loop model. Detailed structural analysis of the binding sites and domain arrangements for these antibodies suggests the differences in antigen affinity observed are likely to be due to inherent flexibility of the hypervariable loops and movements at the VL:VH domain interface. The four structures provide the first opportunity to study in detail the effects of protein engineering on specific antibodies.
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{{ABSTRACT_PUBMED_9329081}}


==About this Structure==
==About this Structure==
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[[Category: Fab fragment]]
[[Category: Fab fragment]]
[[Category: Immunoglobulin]]
[[Category: Immunoglobulin]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 10:07:31 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 16:36:50 2008''

Revision as of 13:36, 30 June 2008

File:1ad9.png

Template:STRUCTURE 1ad9

IGG-FAB FRAGMENT OF ENGINEERED HUMAN MONOCLONAL ANTIBODY CTM01

Template:ABSTRACT PUBMED 9329081

About this Structure

1AD9 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

VL:VH domain rotations in engineered antibodies: crystal structures of the Fab fragments from two murine antitumor antibodies and their engineered human constructs., Banfield MJ, King DJ, Mountain A, Brady RL, Proteins. 1997 Oct;29(2):161-71. PMID:9329081

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