3E1X	Hydrolase	date	Aug 04, 2008
title	The Crystal Structure Of Apo Prostasin At 1.7 Angstroms Reso
authors	G.Spraggon, M.Hornsby, A.Shipway, J.L.Harris, S.A.Lesley
compound		source
Molecule: Prostasin Chain: B Fragment: Unp Residues 45-305 Synonym: Serine Protease 8, Prostasin Light Chain, Prostasi Chain; Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Prss8 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
symmetry	Space Group: P 21 21 21	R_factor 0.168 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.556 54.071 82.678 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	GOL	enzyme	Hydrolase E.C.3.4.21 BRENDA
Gene Ontology	Chain Function Process Component B
Primary reference	Active site conformational changes of prostasin provide a new mechanism of protease regulation by divalent cations., Spraggon G, Hornsby M, Shipway A, Tully DC, Bursulaya B, Danahay H, Harris JL, Lesley SA, Protein Sci. 2009 May;18(5):1081-94. PMID:19388054

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (3e1x.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 3E1X CSU: Contacts of Structural Units for 3E1X Likely Quarternary Molecular Structure file(s) for 3E1X Structure Factors (198 Kb) Retrieve 3E1X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3E1X from S2C, [Save to disk] Re-refined 3e1x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3E1X 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 3E1X

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 3E1X, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3e1x_B] [3e1x] SWISS-PROT database: [Q16651] Domain organization of [PRSS8_HUMAN] by SWISSPFAM Domain found in 3E1X: [Tryp_SPc ] by SMART

Other resources with information on 3E1X

Community annotation for 3E1X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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