3IKJ	Hydrolase	date	Aug 06, 2009
title	Structural Characterization For The Nucleotide Binding Abili Subunit A Mutant S238a Of The A1ao Atp Synthase
authors	A.Kumar, M.S.S.Manimekali, A.M.Balakrishna, J.Jeyakanthan, G.Gru
compound		source
Molecule: V-Type Atp Synthase Alpha Chain Chain: A Fragment: Catalytic Subunit A (Unp Residues 1-240, 617-964) Synonym: A-Type Atp Synthase Catalytic Subunit A, V-Atpase Ec: 3.6.3.14 Engineered: Yes Mutation: Yes		Organism_scientific: Pyrococcus Horikoshii Organism_taxid: 70601 Strain: Ot3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 De3 Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b(+)-His6
symmetry	Space Group: P 43 21 2	R_factor 0.239 R_Free 0.304
crystal cell	length a length b length c angle alpha angle beta angle gamma 128.214 128.214 105.825 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	MPD, TRS	enzyme	Hydrolase E.C.3.6.3.14 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Nucleotide binding states of subunit A of the A-ATP synthase and the implication of P-loop switch in evolution., Kumar A, Manimekalai MS, Balakrishna AM, Jeyakanthan J, Gruber G, J Mol Biol. 2010 Feb 19;396(2):301-20. Epub 2009 Nov 26. PMID:19944110

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (94 Kb) [Save to disk] Biological Unit Coordinates (3ikj.pdb1.gz) 88 Kb LPC: Ligand-Protein Contacts for 3IKJ CSU: Contacts of Structural Units for 3IKJ Structure Factors (521 Kb) Retrieve 3IKJ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IKJ from S2C, [Save to disk] Re-refined 3ikj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IKJ 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 3IKJ

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 3IKJ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ikj_A] [3ikj] SWISS-PROT database: [O57728] Domain organization of [VATA_PYRHO] by SWISSPFAM Domain found in 3IKJ: [AAA ] by SMART

Other resources with information on 3IKJ

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

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