1IAM	Viral Protein Receptor	date	Feb 22, 1998
title	Structure Of The Two Amino-Terminal Domains Of Human Interce Adhesion Molecule-1, Icam-1
authors	J.Bella, P.R.Kolatkar, C.Marlor, J.M.Greve, M.G.Rossmann
compound		source
Molecule: Intercellular Adhesion Molecule-1 Chain: A Fragment: Two N-Terminal, Immunoglobulin Domains Synonym: Icam-1, Cd54 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell_line: Sf9 Cell: Leukocytes, Endothelial Cells Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector: Baculovirus Expression_system_plasmid: Pvl1393 (Pharmingen)
symmetry	Space Group: C 2 2 21	R_factor 0.214 R_Free 0.303
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.857 124.736 83.186 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	NAG	enzyme
related structures	by homologous chain: 1IC1
Gene Ontology	Chain Function Process Component A
Primary reference	The structure of the two amino-terminal domains of human ICAM-1 suggests how it functions as a rhinovirus receptor and as an LFA-1 integrin ligand., Bella J, Kolatkar PR, Marlor CW, Greve JM, Rossmann MG, Proc Natl Acad Sci U S A 1998 Apr 14;95(8):4140-5. PMID:9539703

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1iam.pdb1.gz) 65 Kb LPC: Ligand-Protein Contacts for 1IAM CSU: Contacts of Structural Units for 1IAM Likely Quarternary Molecular Structure file(s) for 1IAM Structure Factors (79 Kb) Retrieve 1IAM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IAM from S2C, [Save to disk] Re-refined 1iam structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IAM 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 1IAM

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 1IAM, from MSDmotif at EBI Genome occurence of 1IAM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1iam_2, region 1-82 [Jmol] [rasmolscript] [script source]     - Domain d1iam_1, region 83-185 [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: [1iam_A] [1iam] SWISS-PROT database: [P05362] Domain organization of [ICAM1_HUMAN] by SWISSPFAM

Other resources with information on 1IAM

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

Movements, Movies and Images

Domain movements in 1IAM from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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