1J8M	Signaling Protein	date	May 22, 2001
title	Signal Recognition Particle Conserved Gtpase Domain From A.
authors	G.Montoya, K.Te Kaat, R.Moll, G.Schafer, I.Sinning
compound		source
Molecule: Signal Recognition 54 Kda Protein Chain: F Fragment: G-Domain, Gtpase Domain Synonym: Srp54 Engineered: Yes		Organism_scientific: Acidianus Ambivalens Organism_taxid: 2283 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet-16
symmetry	Space Group: C 2 2 21	R_factor 0.216 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.866 128.020 72.004 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
related structures	by homologous chain: 1J8Y
Gene Ontology	Chain Function Process Component F
Primary reference	The crystal structure of the conserved GTPase of SRP54 from the archaeon Acidianus ambivalens and its comparison with related structures suggests a model for the SRP-SRP receptor complex., Montoya G, Kaat K, Moll R, Schafer G, Sinning I, Structure Fold Des 2000 May 15;8(5):515-25. PMID:10801496

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (1j8m.pdb1.gz) 49 Kb CSU: Contacts of Structural Units for 1J8M Likely Quarternary Molecular Structure file(s) for 1J8M Retrieve 1J8M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1J8M from S2C, [Save to disk]

View 1J8M 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 1J8M

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1J8M, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1j8mf1, region F:3-86 [Jmol] [rasmolscript] [script source]     - Domain d1j8mf2, region F:87-297 [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: [1j8m] [1j8m_F] SWISS-PROT database: [P70722] Domain organization of [SRP54_ACIAM] by SWISSPFAM Domains found in 1J8M: [AAA] [SRP54] [SRP54_N ] by SMART

Other resources with information on 1J8M

Community annotation for 1J8M 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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