1MQ9	Immune System	date	Sep 15, 2002
title	Crystal Structure Of High Affinity Alphal I Domain With Liga Crystal Contact
authors	M.Shimaoka, T.Xiao, J.H.Liu, Y.Yang, Y.Dong, C.D.Jun, A.Mccormac R.Zhang, A.Joachimiak, J.Takagi, J.H.Wang, T.A.Springer
compound		source
Molecule: Integrin Alpha-L Chain: A Fragment: Integrin Alphal I Domain Synonym: Leukocyte Adhesion Glycoprotein Lfa-1 Alpha Chain Function Associated Molecule 1, Alpha Chain; Cd11a; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Lfa-1 (Alphalbeta2) Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11
symmetry	Space Group: P 41 21 2	R_factor 0.212 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 35.546 35.546 269.626 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	MN	enzyme
related structures	by homologous chain: 1XDG, 1ZOP
Primary reference	Structures of the alpha L I domain and its complex with ICAM-1 reveal a shape-shifting pathway for integrin regulation., Shimaoka M, Xiao T, Liu JH, Yang Y, Dong Y, Jun CD, McCormack A, Zhang R, Joachimiak A, Takagi J, Wang JH, Springer TA, Cell 2003 Jan 10;112(1):99-111. PMID:12526797

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk] Biological Unit Coordinates (1mq9.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1MQ9 CSU: Contacts of Structural Units for 1MQ9 Likely Quarternary Molecular Structure file(s) for 1MQ9 Structure Factors (110 Kb) Retrieve 1MQ9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MQ9 from S2C, [Save to disk] Re-refined 1mq9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MQ9 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 1MQ9

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 1MQ9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mq9a_, 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: [1mq9] [1mq9_A] SWISS-PROT database: [P20701] Domain organization of [ITAL_HUMAN] by SWISSPFAM Domain found in 1MQ9: [VWA ] by SMART

Other resources with information on 1MQ9

Community annotation for 1MQ9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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