1SEI	Ribosomal Protein	date	Aug 14, 1996
title	Structure Of 30s Ribosomal Protein S8
authors	C.Davies, V.Ramakrishnan, S.W.White
compound		source
Molecule: Ribosomal Protein S8 Chain: A, B Engineered: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Gene: Bacillus Stearothermophilus Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: T7 Expression_system_plasmid: Pet13 Expression_system_gene: Bacillus Stearothermophilus Other_details: T7 Expression System Inducible By Isopropyl- Thiogalactopyranoside (Iptg). Also See Medline Identifier 9
symmetry	Space Group: P 21 21 2	R_factor 0.222 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.160 85.960 39.590 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural evidence for specific S8-RNA and S8-protein interactions within the 30S ribosomal subunit: ribosomal protein S8 from Bacillus stearothermophilus at 1.9 A resolution., Davies C, Ramakrishnan V, White SW, Structure 1996 Sep 15;4(9):1093-104. PMID:8805594

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1sei.pdb1.gz) 44 Kb CSU: Contacts of Structural Units for 1SEI Likely Quarternary Molecular Structure file(s) for 1SEI Retrieve 1SEI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SEI from S2C, [Save to disk]

View 1SEI 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 1SEI

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SEI, from MSDmotif at EBI Genome occurence of 1SEI's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1seia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1seib_, region B [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: [1sei_B] [1sei_A] [1sei] SWISS-PROT database: [P56209] Domain organization of [RS8_BACST] by SWISSPFAM

Other resources with information on 1SEI

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

Movements, Movies and Images

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

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