2QXI	Hydrolase	date	Aug 11, 2007
title	High Resolution Structure Of Human Kallikrein 7 In Complex W Ala-Ala-Pro-Phe-Chloromethylketone
authors	M.Debela, P.Hess, V.Magdolen, N.M.Schechter, W.Bode, P.Goettig
compound		source
Molecule: Kallikrein-7 Chain: A Synonym: Hk7, Stratum Corneum Chymotryptic Enzyme, Hscce, S Protease 6; Ec: 3.4.21.117 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Klk7, Prss6, Scce Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 1 21 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.254 56.953 45.533 90.00 101.37 90.00
method	X-Ray Diffraction	resolution	1.00 Å
ligand	K7J	enzyme	Hydrolase E.C.3.4.21.117 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Chymotryptic specificity determinants in the 1.0 A structure of the zinc-inhibited human tissue kallikrein 7., Debela M, Hess P, Magdolen V, Schechter NM, Steiner T, Huber R, Bode W, Goettig P, Proc Natl Acad Sci U S A. 2007 Oct 9;104(41):16086-91. Epub 2007 Oct 1. PMID:17909180

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (88 Kb) [Save to disk] Biological Unit Coordinates (2qxi.pdb1.gz) 84 Kb LPC: Ligand-Protein Contacts for 2QXI CSU: Contacts of Structural Units for 2QXI Likely Quarternary Molecular Structure file(s) for 2QXI Structure Factors (1000 Kb) Retrieve 2QXI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QXI from S2C, [Save to disk] Re-refined 2qxi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QXI 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 2QXI

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 2QXI, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qxi] [2qxi_A] SWISS-PROT database: [P49862] Domain organization of [KLK7_HUMAN] by SWISSPFAM Domain found in 2QXI: [Tryp_SPc ] by SMART

Other resources with information on 2QXI

Community annotation for 2QXI at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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