3CA7	Hormone Signaling Protein	date	Feb 19, 2008
title	High Resolution Crystal Structure Of The Egf Domain Of Spitz
authors	D.E.Klein, S.E.Stayrook, M.A.Lemmon
compound		source
Molecule: Protein Spitz Chain: A Fragment: Unp Residues 76-127 Engineered: Yes		Organism_scientific: Drosophila Melanogaster Organism_common: Fruit Fly Gene: Spi Expression_system: Drosophila Melanogaster Expression_system_cell: Schneider-2 Cells Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmtbipv5-Hisa(Invitrogen)
symmetry	Space Group: C 1 2 1	R_factor 0.200 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.305 36.154 25.362 90.00 103.09 90.00
method	X-Ray Diffraction	resolution	1.50 Å
note	3CA7 is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for EGFR ligand sequestration by Argos., Klein DE, Stayrook SE, Shi F, Narayan K, Lemmon MA, Nature. 2008 Jun 26;453(7199):1271-5. Epub 2008 May 25. PMID:18500331

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (14 Kb) [Save to disk] Biological Unit Coordinates (3ca7.pdb1.gz) 10 Kb CSU: Contacts of Structural Units for 3CA7 Likely Quarternary Molecular Structure file(s) for 3CA7 Structure Factors (55 Kb) Retrieve 3CA7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CA7 from S2C, [Save to disk] Re-refined 3ca7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CA7 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 3CA7

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 3CA7, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ca7_A] [3ca7] SWISS-PROT database: [Q01083] Domain organization of [SPITZ_DROME] by SWISSPFAM Domain found in 3CA7: [EGF ] by SMART

Other resources with information on 3CA7

Community annotation for 3CA7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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