3HL2	Transferase	date	May 26, 2009
title	The Crystal Structure Of The Human Sepsecs-Trnasec Complex
authors	S.Palioura, T.A.Steitz, D.Soll, M.Simonovic
compound		source
Molecule: O-Phosphoseryl-Trna(Sec) Selenium Transferase Chain: A, B, C, D Synonym: Selenocysteine Synthase, Sec Synthase, Selenocyste Trna(Sec) Synthase, Sep-Trna: Sec-Trna Synthase, Sepsecs, Ug Suppressor Trna-Associated Protein, Trna(Sersec)-Associate Antigenic Protein, Liver-Pancreas Antigen, Lp, Soluble Live Sla, Slalp Autoantigen, Sla-P35; Ec: 2.9.1.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sepsecs, Trnp48 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Cd+ Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
Molecule: Trnasec Chain: E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh5a Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc19
symmetry	Space Group: P 31 1 2	R_factor 0.203 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 166.818 166.818 236.322 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.81 Å
ligand	PLR, SEP, TS6	enzyme	Transferase E.C.2.9.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	The human SepSecS-tRNASec complex reveals the mechanism of selenocysteine formation., Palioura S, Sherrer RL, Steitz TA, Soll D, Simonovic M, Science. 2009 Jul 17;325(5938):321-5. PMID:19608919

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (356 Kb) [Save to disk] Biological Unit Coordinates (3hl2.pdb1.gz) 351 Kb Biological Unit Coordinates (3hl2.pdb2.gz) 347 Kb LPC: Ligand-Protein Contacts for 3HL2 CSU: Contacts of Structural Units for 3HL2 Structure Factors (711 Kb) Retrieve 3HL2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HL2 from S2C, [Save to disk] Re-refined 3hl2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HL2 in 3D

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Visual 3D analysis of 3HL2

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 3HL2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3hl2_E] [3hl2_A] [3hl2_B] [3hl2] [3hl2_C] [3hl2_D] SWISS-PROT database: [Q9HD40] Domain organization of [SPCS_HUMAN] by SWISSPFAM

Other resources with information on 3HL2

Community annotation for 3HL2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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