1IC1	Cell Adhesion	date	Mar 09, 1998
title	The Crystal Structure For The N-Terminal Two Domains Of Icam
authors	J.M.Casasnovas, T.Stehle, J.H.Liu, J.H.Wang, T.A.Springer
compound		source
Molecule: Intercellular Adhesion Molecule-1 Chain: A, B Fragment: N-Terminal 190 Residue Domain Synonym: Icam-1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ic1-P191 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_cell_line: Cho Expression_system_cellular_location: Extracellular Expression_system_vector_type: Glutamine Synthetase Expression_system_plasmid: Pbj5-Gs
symmetry	Space Group: P 1 2 1	R_factor 0.222 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.000 42.200 93.000 90.00 109.30 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	NAG	enzyme
related structures	by homologous chain: 1IAM
Gene Ontology	Chain Function Process Component A, B
Primary reference	A dimeric crystal structure for the N-terminal two domains of intercellular adhesion molecule-1., Casasnovas JM, Stehle T, Liu JH, Wang JH, Springer TA, Proc Natl Acad Sci U S A 1998 Apr 14;95(8):4134-9. PMID:9539702

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1ic1.pdb1.gz) 63 Kb Biological Unit Coordinates (1ic1.pdb2.gz) 64 Kb LPC: Ligand-Protein Contacts for 1IC1 CSU: Contacts of Structural Units for 1IC1 Likely Quarternary Molecular Structure file(s) for 1IC1 Structure Factors (85 Kb) Retrieve 1IC1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IC1 from S2C, [Save to disk] Re-refined 1ic1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IC1 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 1IC1

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 1IC1, from MSDmotif at EBI Genome occurence of 1IC1's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ic1a2, region A:1-82 [Jmol] [rasmolscript] [script source]     - Domain d1ic1a1, region A:83-190 [Jmol] [rasmolscript] [script source]     - Domain d1ic1b2, region B:1-82 [Jmol] [rasmolscript] [script source]     - Domain d1ic1b1, region B:83-190 [Jmol] [rasmolscript] [script source]     - Domain d1v1ic1, region C:319-391 [Jmol] [rasmolscript] [script source]     - Domain d1w1ic1, region C:39-508 [Jmol] [rasmolscript] [script source]     - Domain d1u1ic1, region C:801-1027,C:1133-1192 [Jmol] [rasmolscript] [script source]     - Domain d1n1ic1, region C:9-51 [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: [1ic1_B] [1ic1_A] [1ic1] SWISS-PROT database: [P05362] Domain organization of [ICAM1_HUMAN] by SWISSPFAM

Other resources with information on 1IC1

Community annotation for 1IC1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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