3I7U	Hydrolase	date	Jul 09, 2009
title	Crystal Structure Of Ap4a Hydrolase (Aq_158) From Aquifex Ae
authors	J.Jeyakanthan, S.P.Kanaujia, N.Nakagawa, K.Sekar, S.Kuramitsu, A. S.Yokoyama, Riken Structural Genomicsproteomics Initiative
compound		source
Molecule: Ap4a Hydrolase Chain: A, B, C, D Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 224324 Strain: Vf5 Gene: Apfa, Aq_158 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl-21 Condon Plus (De3)-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21a
symmetry	Space Group: P 1 21 1	R_factor 0.203 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.589 38.049 87.592 90.00 93.10 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	CL, EDO, PEG, PG4, PGE, TRS	enzyme
note	3I7U supersedes 2PBT
Gene	AQ
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Free and ATP-bound structures of Ap4A hydrolase from Aquifex aeolicus V5., Jeyakanthan J, Kanaujia SP, Nishida Y, Nakagawa N, Praveen S, Shinkai A, Kuramitsu S, Yokoyama S, Sekar K, Acta Crystallogr D Biol Crystallogr. 2010 Feb;66(Pt 2):116-24. Epub 2010, Jan 22. PMID:20124691

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (3i7u.pdb1.gz) 103 Kb LPC: Ligand-Protein Contacts for 3I7U CSU: Contacts of Structural Units for 3I7U Likely Quarternary Molecular Structure file(s) for 3I7U Structure Factors (742 Kb) Retrieve 3I7U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I7U from S2C, [Save to disk] Re-refined 3i7u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I7U in 3D

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Visual 3D analysis of 3I7U

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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 3I7U, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i7u_C] [3i7u_A] [3i7u_B] [3i7u_D] [3i7u] SWISS-PROT database: [O66548] Domain organization of [O66548_AQUAE] by SWISSPFAM

Other resources with information on 3I7U

Community annotation for 3I7U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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