1QA9	Immune System	date	Apr 13, 1999
title	Structure Of A Heterophilic Adhesion Complex Between The Hum Cd58(Lfa-3) Counter-Receptors
authors	J.H.Wang, A.Smolyar, K.Tan, J.H.Liu, M.Kim, Z.J.Sun, G.Wagner, E.L.Reinherz
compound		source
Molecule: Human Cd2 Protein Chain: A, C Fragment: N-Terminal Adhesion Domain Of Cd2 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-11a
Molecule: Human Cd58 Protein Chain: B, D Fragment: N-Terminal Adhesion Domain Of Cd58 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-11a
symmetry	Space Group: C 1 2 1	R_factor 0.223 R_Free 0.281
crystal cell	length a length b length c angle alpha angle beta angle gamma 179.820 33.470 108.430 90.00 121.76 90.00
method	X-Ray Diffraction	resolution	3.20 Å
Primary reference	Structure of a heterophilic adhesion complex between the human CD2 and CD58 (LFA-3) counterreceptors., Wang JH, Smolyar A, Tan K, Liu JH, Kim M, Sun ZY, Wagner G, Reinherz EL, Cell 1999 Jun 11;97(6):791-803. PMID:10380930

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1qa9.pdb1.gz) 33 Kb Biological Unit Coordinates (1qa9.pdb2.gz) 33 Kb CSU: Contacts of Structural Units for 1QA9 Likely Quarternary Molecular Structure file(s) for 1QA9 Retrieve 1QA9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QA9 from S2C, [Save to disk]

View 1QA9 in 3D

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Visual 3D analysis of 1QA9

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QA9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qa9a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qa9b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qa9c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1qa9d_, region D [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: [1qa9_C] [1qa9_B] [1qa9_A] [1qa9] [1qa9_D] SWISS-PROT database: [P06729] [P19256] Domain organization of [CD2_HUMAN] [LFA3_HUMAN] by SWISSPFAM Domain found in 1QA9: [IG ] by SMART

Other resources with information on 1QA9

Community annotation for 1QA9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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