1L9A	Signaling Protein Rna	date	Mar 22, 2002
title	Crystal Structure Of Srp19 In Complex With The S Domain Of S Recognition Particle Rna
authors	C.Oubridge, A.Kuglstatter, L.Jovine, K.Nagai
compound		source
Molecule: Signal Recognition Particle Rna S Domain Chain: B Synonym: Srp Rna, 7s Rna, 7sl Rna Engineered: Yes Mutation: Yes Other_details: Mutant (C112g, G113a, G238u, G239c) 7sl Rna (Nucleotides 112-239);		Synthetic: Yes Other_details: This Sequence Is 7sl Rna From Homo Sapiens. Rna Fragment Was In Vitro Transcribed Under Control Of A T7 With T7 Rna Polymerase. It Was Cotranscribed With 2 Cis-Act Hammerhead Ribozymes To Cleave Homogeneous Rna From The Ful Transcript.;
Molecule: Signal Recognition Particle 19 Kda Protein Chain: A Synonym: Srp19 Engineered: Yes Mutation: Yes		Organism_scientific: Methanocaldococcus Jannaschii Organism_taxid: 2190 Gene: Srp19 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: C41 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pret3a
symmetry	Space Group: P 21 21 2	R_factor 0.264 R_Free 0.296
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.765 223.875 43.024 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	CCC, MG, MMC	enzyme
related structures	by homologous chain: 1LNG
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of SRP19 in complex with the S domain of SRP RNA and its implication for the assembly of the signal recognition particle., Oubridge C, Kuglstatter A, Jovine L, Nagai K, Mol Cell 2002 Jun;9(6):1251-61. PMID:12086622

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1l9a.pdb1.gz) 70 Kb LPC: Ligand-Protein Contacts for 1L9A CSU: Contacts of Structural Units for 1L9A Likely Quarternary Molecular Structure file(s) for 1L9A Retrieve 1L9A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1L9A from S2C, [Save to disk]

View 1L9A 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 1L9A

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1L9A, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1l9aa_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1l9a_A] [1l9a] [1l9a_B] SWISS-PROT database: [Q58440] Domain organization of [SRP19_METJA] by SWISSPFAM

Other resources with information on 1L9A

Community annotation for 1L9A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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