2KDU	Metal Binding Protein Exocytosis	date	Jan 19, 2009
title	Structural Basis Of The Munc13-1ca2+-Calmodulin Interaction 1-26 Calmodulin Binding Motif With A Bipartite Binding Mode
authors	F.A.Rodriguez-Castaneda, M.Maestre-Martinez, N.Coudevylle, K.Di O.Jahn, H.Junge, S.Becker, N.Brose, T.Carlomagno, C.Griesinger
compound		source
Molecule: Calmodulin Chain: A Synonym: Cam Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: Clawed Frog,Common Platanna,Platanna Organism_taxid: 8355 Gene: Calm1, Calm2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector: Pet28a
Molecule: Protein Unc-13 Homolog A Chain: B Fragment: Unp Residues 458-492, Calmodulin Binding Domain Synonym: Munc13-1 Engineered: Yes		Synthetic: Yes
method	Solution NMR
ligand	CA	enzyme
note	2KDU is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Modular architecture of Munc13/calmodulin complexes: dual regulation by Ca2+ and possible function in short-term synaptic plasticity., Rodriguez-Castaneda F, Maestre-Martinez M, Coudevylle N, Dimova K, Junge H, Lipstein N, Lee D, Becker S, Brose N, Jahn O, Carlomagno T, Griesinger C, EMBO J. 2010 Feb 3;29(3):680-91. Epub 2009 Dec 10. PMID:20010694

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (964 Kb) [Save to disk] Biological Unit Coordinates (2kdu.pdb1.gz) 48 Kb LPC: Ligand-Protein Contacts for 2KDU CSU: Contacts of Structural Units for 2KDU Original NMR restraints for 2KDU from PDB Retrieve 2KDU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2KDU from S2C, [Save to disk]

View 2KDU 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 2KDU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2KDU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2kdu_A] [2kdu] [2kdu_B] SWISS-PROT database: [P62155] [Q62768] Domain organization of [CALM_XENLA] [UN13A_RAT] by SWISSPFAM Domain found in 2KDU: [EFh ] by SMART

Other resources with information on 2KDU

Community annotation for 2KDU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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