4AQI	Metal Binding Protein	date	Apr 17, 2012
title	Structure Of Human S100a15 Bound To Zinc And Calcium
authors	J.I.Murray, M.L.Tonkin, A.L.Whiting, F.Peng, B.Farnell, F.Hof, M.J.Boulanger
compound		source
Molecule: Protein S100-A7a Chain: A Synonym: S100a15, S100 Calcium-Binding Protein A15, S100 Ca Binding Protein A7-Like 1, S100 Calcium-Binding Protein A7a Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 83333 Expression_system_strain: K-12 Expression_system_variant: Rosetta-Gammi B Expression_system_vector_type: Plasmid Expression_system_plasmid: Modified Pet32a
symmetry	Space Group: I 1 2 1	R_factor 0.198 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.030 33.470 64.052 90.00 90.81 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	CA, CL, ZN	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Structural characterization of S100A15 reveals a novel zinc coordination site among S100 proteins and altered surface chemistry with functional implications for receptor binding., Murray JI, Tonkin ML, Whiting AL, Peng F, Farnell B, Cullen JT, Hof F, Boulanger MJ, BMC Struct Biol. 2012 Jul 2;12:16. PMID:22747601

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (23 Kb) [Save to disk] Biological Unit Coordinates (4aqi.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 4AQI CSU: Contacts of Structural Units for 4AQI Structure Factors (159 Kb) Retrieve 4AQI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4AQI from S2C, [Save to disk] Re-refined 4aqi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4AQI 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 4AQI

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 4AQI, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4aqi] [4aqi_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 4AQI: [S_100 ] by SMART

Other resources with information on 4AQI

Community annotation for 4AQI at PDBWiki (http://pdbwiki.org)

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