1O5E	Serine Protease, Hydrolase	date	Sep 09, 2003
title	Dissecting And Designing Inhibitor Selectivity Determinants Site Using An Artificial Ala190 Protease (Ala190 Upa)
authors	B.A.Katz, C.Luong, J.D.Ho, J.R.Somoza, E.Gjerstad, J.Tang, S.R.Wil E.Verner, R.L.Mackman, W.B.Young, P.A.Sprengeler, H.Chan, K.Mort J.W.Janc, M.E.Mcgrath
compound		source
Molecule: Serine Protease Hepsin Chain: L Fragment: Light Chain Synonym: Transmembrane Protease, Serine 1 Ec: 3.4.21.- Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hpn Or Tmprss1 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_variant: Km71
Molecule: Serine Protease Hepsin Chain: H Fragment: Heavy Chain (Catalytic Domain) Synonym: Transmembrane Protease, Serine 1 Ec: 3.4.21.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hpn Or Tmprss1 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_variant: Km71
symmetry	Space Group: P 1 21 1	R_factor 0.198 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.770 47.880 63.330 90.00 104.77 90.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand	132 BindingDB	enzyme	Hydrolase E.C.3.4.21 BRENDA
related structures	by homologous chain: 1O5F, 1P57
Gene Ontology	Chain Function Process Component H L
Primary reference	Dissecting and designing inhibitor selectivity determinants at the S1 site using an artificial Ala190 protease (Ala190 uPA)., Katz BA, Luong C, Ho JD, Somoza JR, Gjerstad E, Tang J, Williams SR, Verner E, Mackman RL, Young WB, Sprengeler PA, Chan H, Mortara K, Janc JW, McGrath ME, J Mol Biol 2004 Nov 19;344(2):527-47. PMID:15522303

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (126 Kb) [Save to disk] Biological Unit Coordinates (1o5e.pdb1.gz) 120 Kb LPC: Ligand-Protein Contacts for 1O5E CSU: Contacts of Structural Units for 1O5E Likely Quarternary Molecular Structure file(s) for 1O5E Structure Factors (145 Kb) Retrieve 1O5E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1O5E from S2C, [Save to disk] Re-refined 1o5e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1O5E 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 1O5E

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 1O5E, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1o5eh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1o5el_, region L [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1o5e_L] [1o5e_H] [1o5e] SWISS-PROT database: [P05981] Domain organization of [HEPS_HUMAN] by SWISSPFAM Domains found in 1O5E: [SR] [Tryp_SPc ] by SMART

Other resources with information on 1O5E

Community annotation for 1O5E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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