1EJ3	Oxidoreductase	date	Feb 29, 2000
title	Crystal Structure Of Aequorin
authors	J.F.Head, S.Inouye, K.Teranishi, O.Shimomura
compound		source
Molecule: Aequorin Chain: A, B Engineered: Yes		Organism_scientific: Aequorea Aequorea Organism_taxid: 168712 Organ: Light Organ Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pip-He
symmetry	Space Group: P 43 21 2	R_factor 0.219 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.270 81.270 163.660 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CZH	enzyme
related structures	by homologous chain: 1SL7
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structure of the photoprotein aequorin at 2.3 A resolution., Head JF, Inouye S, Teranishi K, Shimomura O, Nature 2000 May 18;405(6784):372-6. PMID:10830969

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1ej3.pdb1.gz) 33 Kb Biological Unit Coordinates (1ej3.pdb2.gz) 33 Kb LPC: Ligand-Protein Contacts for 1EJ3 CSU: Contacts of Structural Units for 1EJ3 Likely Quarternary Molecular Structure file(s) for 1EJ3 Retrieve 1EJ3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EJ3 from S2C, [Save to disk]

View 1EJ3 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 1EJ3

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1EJ3, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ej3a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ej3b_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ej3_A] [1ej3_B] [1ej3] SWISS-PROT database: [P02592] Domain organization of [AEQ2_AEQVI] by SWISSPFAM Domain found in 1EJ3: [EFh ] by SMART

Other resources with information on 1EJ3

Community annotation for 1EJ3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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