2LNK	Calcium Binding Protein	date	Dec 30, 2011
title	Solution Structure Of Ca-Bound S100a4 In Complex With Non-Mu Myosin Iia
authors	I.L.Barsukov, P.R.Elliott
compound		source
Molecule: Myosin Heavy Chain, Non-Muscle Iia Chain: C Fragment: Unp Residues 1897-1935 Synonym: Myosin-9, Cellular Myosin Heavy Chain, Type A, Myo Chain 9, Myosin Heavy Chain, Non-Muscle Iia, Non-Muscle Myo Chain A, Nmmhc-A, Non-Muscle Myosin Heavy Chain Iia, Nmmhc Nmmhc-Iia; Engineered: Yes		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Protein S100-A4 Chain: A, B Synonym: Calvasculin, Metastasin, Placental Calcium-Binding Protein Mts1, S100 Calcium-Binding Protein A4; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: S100a4, Capl, Mts1 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
method	Solution NMR
Gene Ontology	Chain Function Process Component A, B calcium ion binding protein binding identical protein binding metal ion binding calcium-dependent protein bi... RAGE receptor binding epithelial to mesenchymal tr... positive regulation of I-kap... nucleus neuron projection perinuclear region of cytopl...
Primary reference	Asymmetric Mode of Ca(2+)-S100A4 Interaction with Nonmuscle Myosin IIA Generates Nanomolar Affinity Required for Filament Remodeling., Elliott PR, Irvine AF, Jung HS, Tozawa K, Pastok MW, Picone R, Badyal SK, Basran J, Rudland PS, Barraclough R, Lian LY, Bagshaw CR, Kriajevska M, Barsukov IL, Structure. 2012 Apr 4;20(4):654-66. Epub 2012 Apr 3. PMID:22483112

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1458 Kb) [Save to disk] Biological Unit Coordinates (2lnk.pdb1.gz) 74 Kb CSU: Contacts of Structural Units for 2LNK Original NMR restraints for 2LNK from PDB Retrieve 2LNK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2LNK from S2C, [Save to disk]

View 2LNK 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2LNK

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2LNK, from MSDmotif at EBI Fold representative 2lnk from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2lnk_A] [2lnk_B] [2lnk_C] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 2LNK with the sequences similar proteins can be viewed for 2LNK's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 2LNK

Community annotation for 2LNK at PDBWiki (http://pdbwiki.org)

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