1IQ5	Metal Binding Protein Protein Binding	date	Jun 14, 2001
title	Calmodulinnematode Ca2+Calmodulin Dependent Kinase Kinase
authors	H.Kurokawa, M.Osawa, H.Kurihara, N.Katayama, H.Tokumitsu, M.B.Swi M.Kainosho, M.Ikura
compound		source
Molecule: Calmodulin Chain: A Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pas
Molecule: Ca2+Calmodulin Dependent Kinase Kinase Chain: B Fragment: Calmodulin Binding Domain (Residues 331-357) Ec: 2.7.1.- Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Caenorhabd Elegans
symmetry	Space Group: I 2 2 2	R_factor 0.217 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.090 84.400 59.250 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	CA	enzyme	Transferase E.C.2.7.1 BRENDA
related structures	by homologous chain: 1AHR, 1QS7
Gene Ontology	Chain Function Process Component A
Primary reference	Target-induced conformational adaptation of calmodulin revealed by the crystal structure of a complex with nematode Ca(2+)/calmodulin-dependent kinase kinase peptide., Kurokawa H, Osawa M, Kurihara H, Katayama N, Tokumitsu H, Swindells MB, Kainosho M, Ikura M, J Mol Biol 2001 Sep 7;312(1):59-68. PMID:11545585

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk] Biological Unit Coordinates (1iq5.pdb1.gz) 28 Kb LPC: Ligand-Protein Contacts for 1IQ5 CSU: Contacts of Structural Units for 1IQ5 Likely Quarternary Molecular Structure file(s) for 1IQ5 Structure Factors (121 Kb) Retrieve 1IQ5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IQ5 from S2C, [Save to disk] Re-refined 1iq5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IQ5 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 1IQ5

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 1IQ5, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1iq5a_, region A [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: [1iq5] [1iq5_A] [1iq5_B] SWISS-PROT database: [P62155] [Q8T8D4] Domain organization of [CALM_XENLA] [Q8T8D4_CAEEL] by SWISSPFAM Domain found in 1IQ5: [EFh ] by SMART

Other resources with information on 1IQ5

Community annotation for 1IQ5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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