3bbw

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[[Image:3bbw.jpg|left|200px]]
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{{STRUCTURE_3bbw| PDB=3bbw | SCENE= }}
{{STRUCTURE_3bbw| PDB=3bbw | SCENE= }}
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'''crystal structure of the ErbB4 kinase in its inactive conformation'''
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===crystal structure of the ErbB4 kinase in its inactive conformation===
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==Overview==
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HER4/ErbB4 is a ubiquitously expressed member of the EGF/ErbB family of receptor tyrosine kinases that is essential for normal development of the heart, nervous system, and mammary gland. We report here crystal structures of the ErbB4 kinase domain in active and lapatinib-inhibited forms. Active ErbB4 kinase adopts an asymmetric dimer conformation essentially identical to that observed to be important for activation of the EGF receptor/ErbB1 kinase. Mutagenesis studies of intact ErbB4 in Ba/F3 cells confirm the importance of this asymmetric dimer for activation of intact ErbB4. Lapatinib binds to an inactive form of the ErbB4 kinase in a mode equivalent to its interaction with the EGF receptor. All ErbB4 residues contacted by lapatinib are conserved in the EGF receptor and HER2/ErbB2, which lapatinib also targets. These results demonstrate that key elements of kinase activation and inhibition are conserved among ErbB family members.
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(as it appears on PubMed at http://www.pubmed.gov), where 18334220 is the PubMed ID number.
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{{ABSTRACT_PUBMED_18334220}}
==About this Structure==
==About this Structure==
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[[Category: Transmembrane]]
[[Category: Transmembrane]]
[[Category: Tyrosine-protein kinase]]
[[Category: Tyrosine-protein kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 20:37:06 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 23:27:43 2008''

Revision as of 20:27, 28 July 2008

Image:3bbw.png

Template:STRUCTURE 3bbw

crystal structure of the ErbB4 kinase in its inactive conformation

Template:ABSTRACT PUBMED 18334220

About this Structure

3BBW is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Mechanism of Activation and Inhibition of the HER4/ErbB4 Kinase., Qiu C, Tarrant MK, Choi SH, Sathyamurthy A, Bose R, Banjade S, Pal A, Bornmann WG, Lemmon MA, Cole PA, Leahy DJ, Structure. 2008 Mar;16(3):460-7. PMID:18334220

Page seeded by OCA on Mon Jul 28 23:27:43 2008

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