3KL4	Hydrolase	date	Nov 06, 2009
title	Recognition Of A Signal Peptide By The Signal Recognition Pa
authors	C.Y.Janda, K.Nagai, J.Li, C.Oubridge
compound		source
Molecule: Signal Recognition 54 Kda Protein Chain: A Fragment: Unp Residues 2-432 Synonym: Srp54 Ec: 3.6.5.4 Engineered: Yes		Organism_scientific: Sulfolobus Solfataricus Organism_taxid: 273057 Strain: P2 Gene: Srp54, Sso0971 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
Molecule: Signal Peptide Of Yeast Dipeptidyl Aminopeptidase Chain: B Fragment: Unp Residues 26-51 Synonym: Dpap B, Yscv Ec: 3.4.14.- Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_taxid: 4932 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 41 21 2	R_factor 0.301 R_Free 0.322
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.883 91.883 133.263 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.50 Å
ligand		enzyme	Hydrolase E.C.3.6.5.4 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Recognition of a signal peptide by the signal recognition particle., Janda CY, Li J, Oubridge C, Hernandez H, Robinson CV, Nagai K, Nature. 2010 May 27;465(7297):507-10. Epub 2010 Apr 4. PMID:20364120

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk] Biological Unit Coordinates (3kl4.pdb1.gz) 68 Kb CSU: Contacts of Structural Units for 3KL4 Structure Factors (97 Kb) Retrieve 3KL4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KL4 from S2C, [Save to disk] Re-refined 3kl4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KL4 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 3KL4

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 3KL4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kl4_A] [3kl4_B] [3kl4] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3KL4: [AAA] [SRP54] [SRP54_N ] by SMART

Other resources with information on 3KL4

Community annotation for 3KL4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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