1M1U	Cell Adhesion	date	Jun 20, 2002
title	An Isoleucine-Based Allosteric Switch Controls Affinity And Shifting In Integrin Cd11b A-Domain
authors	J.P.Xiong, R.Li, M.Essafi, T.Stehle, M.A.Arnaout
compound		source
Molecule: Integrin Alpha-M Chain: A Fragment: Cd11b A-Domain, Residues 123-315 Synonym: Cd11b Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh5a Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex4t-1
symmetry	Space Group: P 43	R_factor 0.188 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.700 45.700 94.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CA	enzyme
related structures	by homologous chain: 1JLM, 1N9Z
Primary reference	An isoleucine-based allosteric switch controls affinity and shape shifting in integrin CD11b A-domain., Xiong JP, Li R, Essafi M, Stehle T, Arnaout MA, J Biol Chem 2000 Dec 8;275(49):38762-7. PMID:11034990

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk] Biological Unit Coordinates (1m1u.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1M1U CSU: Contacts of Structural Units for 1M1U Likely Quarternary Molecular Structure file(s) for 1M1U Retrieve 1M1U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M1U from S2C, [Save to disk]

View 1M1U 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 1M1U

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1M1U, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m1ua_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1m1u] [1m1u_A] SWISS-PROT database: [P11215] Domain organization of [ITAM_HUMAN] by SWISSPFAM Domain found in 1M1U: [VWA ] by SMART

Other resources with information on 1M1U

Community annotation for 1M1U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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