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
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 Diffractionresolution 2.10 Å
ligand NAG enzyme
related structures by homologous chain: 1IC1

Primary referenceThe 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) 64 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
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo 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]
  • Fold representative 1iam from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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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