2PSX	Hydrolase Hydrolase Inhibitor	date	May 07, 2007
title	Crystal Structure Of Human Kallikrein 5 In Complex With Leup
authors	M.Debela, W.Bode, P.Goettig
compound		source
Molecule: Kallikrein-5 Chain: A Fragment: Catalytic Domain Synonym: Stratum Corneum Tryptic Enzyme, Kallikrein-Like Pr Klk-L2; Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Klk5 Expression_system_vector_type: Baculovirus
Molecule: Leupeptin Chain: B Engineered: Yes		Synthetic: Yes Organism_scientific: Actinomycetes Streptomyces Roseus Ma 8 Organism_taxid: 66430 Other_details: Chemically Synthesized.
symmetry	Space Group: C 1 2 1	R_factor 0.221 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.219 67.284 39.916 90.00 94.35 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ACE, AR7, NAG	enzyme	Hydrolase E.C.3.4.21 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis of the zinc inhibition of human tissue kallikrein 5., Debela M, Goettig P, Magdolen V, Huber R, Schechter NM, Bode W, J Mol Biol. 2007 Nov 2;373(4):1017-31. Epub 2007 Aug 24. PMID:17881000

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (2psx.pdb1.gz) 39 Kb LPC: Ligand-Protein Contacts for 2PSX CSU: Contacts of Structural Units for 2PSX Likely Quarternary Molecular Structure file(s) for 2PSX Structure Factors (94 Kb) Retrieve 2PSX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PSX from S2C, [Save to disk] Re-refined 2psx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PSX 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 2PSX

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 2PSX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2psx_A] [2psx] [2psx_B] SWISS-PROT database: [Q9Y337] Domain organization of [KLK5_HUMAN] by SWISSPFAM Domain found in 2PSX: [Tryp_SPc ] by SMART

Other resources with information on 2PSX

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

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