1KKE	Viral Protein	date	Dec 07, 2001
title	Crystal Structure Of Reovirus Attachment Protein Sigma1 Trimer
authors	J.D.Chappell, A.E.Prota, T.S.Dermody, T.Stehle
compound		source
Molecule: Sigma 1 Protein Chain: A, B, C Synonym: Hemagglutinin, Cell Attachment Protein, Minor Outer Capsid Protein; Engineered: Yes		Organism_scientific: Mammalian Orthoreovirus 3 Organism_taxid: 10886 Strain: Type 3 Strain Dearing Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf21 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 21 21 21	R_factor 0.172 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.700 89.000 119.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Crystal structure of reovirus attachment protein sigma1 reveals evolutionary relationship to adenovirus fiber., Chappell JD, Prota AE, Dermody TS, Stehle T, EMBO J 2002 Jan 15;21(1-2):1-11. PMID:11782420

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (102 Kb) [Save to disk] Biological Unit Coordinates (1kke.pdb1.gz) 99 Kb CSU: Contacts of Structural Units for 1KKE Likely Quarternary Molecular Structure file(s) for 1KKE Structure Factors (107 Kb) Retrieve 1KKE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KKE from S2C, [Save to disk] Re-refined 1kke structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KKE 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 1KKE

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 1KKE, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kkea1, region A:250-312 [Jmol] [rasmolscript] [script source]     - Domain d1kkea2, region A:313-455 [Jmol] [rasmolscript] [script source]     - Domain d1kkeb1, region B:251-312 [Jmol] [rasmolscript] [script source]     - Domain d1kkeb2, region B:313-455 [Jmol] [rasmolscript] [script source]     - Domain d1kkec1, region C:250-312 [Jmol] [rasmolscript] [script source]     - Domain d1kkec2, region C:313-455 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1kke_B] [1kke_C] [1kke_A] [1kke] SWISS-PROT database: [P03528] Domain organization of [SIGM1_REOVD] by SWISSPFAM

Other resources with information on 1KKE

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

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