3W1K	Transferase Rna	date	Nov 15, 2012
title	Crystal Structure Of The Selenocysteine Synthase Sela And Tr Complex
authors	Y.Itoh, S.Sekine, S.Yokoyama
compound		source
Molecule: L-Seryl-Trna(Sec) Selenium Transferase Chain: A, B, C, D, E Synonym: Selenocysteine Synthase, Sec Synthase, Selenocyste Trna(Sec) Synthase; Ec: 2.9.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 224324 Strain: Vf5 Gene: Sela Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta 2(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet25b
Molecule: Selenocysteine Trna Chain: F, G, H, I, J Engineered: Yes		Synthetic: Yes Organism_scientific: Thermoanaerobacter Tengcongensis Mb4 Organism_taxid: 273068 Other_details: The Trnasec From Thermoanaerobacter Tengcong Was Prepared By In Vitro Transcription With T7 Rna Polymera
symmetry	Space Group: C 1 2 1	R_factor 0.194 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 148.553 355.972 165.495 90.00 115.41 90.00
method	X-Ray Diffraction	resolution	7.50 Å
ligand	LLP	enzyme	Transferase E.C.2.9.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, E, B
Primary reference	Decameric SelA*tRNA(Sec) ring structure reveals mechanism of bacterial selenocysteine formation., Itoh Y, Brocker MJ, Sekine S, Hammond G, Suetsugu S, Soll D, Yokoyama S, Science. 2013 Apr 5;340(6128):75-8. doi: 10.1126/science.1229521. PMID:23559248

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (561 Kb) [Save to disk] Biological Unit Coordinates (3w1k.pdb1.gz) 1104 Kb LPC: Ligand-Protein Contacts for 3W1K CSU: Contacts of Structural Units for 3W1K Structure Factors (88 Kb) Retrieve 3W1K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3W1K from S2C, [Save to disk] Re-refined 3w1k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3W1K 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 3W1K

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3W1K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3w1k_J] [3w1k_E] [3w1k_H] [3w1k] [3w1k_G] [3w1k_A] [3w1k_D] [3w1k_F] [3w1k_B] [3w1k_I] [3w1k_C] SWISS-PROT database: Domain organization of by SWISSPFAM

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