3T3M	Cell Adhesion	date	Jul 25, 2011
title	A Novel High Affinity Integrin Alphaiibbeta3 Receptor Antago Unexpectedly Displaces Mg2+ From The Beta3 Midas
authors	J.Zhu, J.Zhu, T.A.Springer
compound		source
Molecule: Integrin Alpha-Iib Chain: A, C Fragment: Unp Residues 32-488 Synonym: Gpalpha Iib, Gpiib, Platelet Membrane Glycoprotein Integrin Alpha-Iib Heavy Chain, Integrin Alpha-Iib Light Ch 1, Integrin Alpha-Iib Light Chain, Form 2; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Itga2b, Gp2b, Itgab Expression_system: Cricetulus Griseus Expression_system_taxid: 10029
Molecule: Integrin Beta-3 Chain: B, D Fragment: Unp Residues 27-498 Synonym: Platelet Membrane Glycoprotein Iiia, Gpiiia Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Itgb3, Gp3a Expression_system: Cricetulus Griseus Expression_system_taxid: 10029
Molecule: Monoclonal Antibody 10e5 Heavy Chain Chain: E, H Engineered: Yes		Organism_scientific: Mus Musculus Organism_taxid: 10090
Molecule: Monoclonal Antibody 10e5 Light Chain Chain: F, L Engineered: Yes		Organism_scientific: Mus Musculus Organism_taxid: 10090
symmetry	Space Group: P 21 21 2	R_factor 0.179 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 261.150 145.330 104.680 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	BMA, CA, CL, MAN, NAG, RC2, SO4	enzyme
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structure-Guided Design of a High-Affinity Platelet Integrin alphaIIbbeta3 Receptor Antagonist That Disrupts Mg2+ Binding to the MIDAS., Zhu J, Choi WS, McCoy JG, Negri A, Zhu J, Naini S, Li J, Shen M, Huang W, Bougie D, Rasmussen M, Aster R, Thomas CJ, Filizola M, Springer TA, Coller BS, Sci Transl Med. 2012 Mar 14;4(125):125ra32. PMID:22422993

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (891 Kb) [Save to disk] Biological Unit Coordinates (3t3m.pdb1.gz) 445 Kb Biological Unit Coordinates (3t3m.pdb2.gz) 444 Kb LPC: Ligand-Protein Contacts for 3T3M CSU: Contacts of Structural Units for 3T3M Structure Factors (785 Kb) Retrieve 3T3M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3T3M from S2C, [Save to disk] Re-refined 3t3m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3T3M in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3T3M

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3T3M, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3t3m_C] [3t3m_H] [3t3m_A] [3t3m_E] [3t3m_L] [3t3m_D] [3t3m] [3t3m_B] [3t3m_F] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3T3M: [IG_like] [IGv] [INB] [Int_alpha] [PSI] [VWA ] by SMART

Other resources with information on 3T3M

Community annotation for 3T3M at PDBWiki (http://pdbwiki.org)

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