1W15	Metal Binding Protein	date	Jun 16, 2004
title	Rat Synaptotagmin 4 C2b Domain In The Presence Of Calcium
authors	H.Dai, O.H.Shin, M.Machius, D.R.Tomchick, T.C.Sudhof, J.Rizo
compound		source
Molecule: Synaptotagmin Iv Chain: A Fragment: C2b Domain, Residues 288-425 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pgex-Kg
symmetry	Space Group: P 63 2 2	R_factor 0.204 R_Free 0.233
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.490 91.490 122.142 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.93 Å
ligand	CA, CL, NA	enzyme
related structures	by homologous chain: 1W16
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for the evolutionary inactivation of Ca2+ binding to synaptotagmin 4., Dai H, Shin OH, Machius M, Tomchick DR, Sudhof TC, Rizo J, Nat Struct Mol Biol. 2004 Sep;11(9):844-9. Epub 2004 Aug 15. PMID:15311271

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk] Biological Unit Coordinates (1w15.pdb1.gz) 70 Kb LPC: Ligand-Protein Contacts for 1W15 CSU: Contacts of Structural Units for 1W15 Likely Quarternary Molecular Structure file(s) for 1W15 Structure Factors (164 Kb) Retrieve 1W15 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1W15 from S2C, [Save to disk] Re-refined 1w15 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1W15 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 1W15

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 1W15, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1w15a_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1w15] [1w15_A] SWISS-PROT database: [P50232] Domain organization of [SYT4_RAT] by SWISSPFAM Domain found in 1W15: [C2 ] by SMART

Other resources with information on 1W15

Community annotation for 1W15 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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