1SLU	Complex (Serine Protease Inhibitor)	date	Feb 07, 1996
title	Rat Anionic N143h, E151h Trypsin Complexed To A86h Ecotin
authors	L.S.Brinen, R.J.Fletterick
compound		source
Molecule: Ecotin Chain: A Synonym: Trypsin Inhibitor Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Ptactac Expression_system_gene: Ecotin
Molecule: Anionic Trypsin Chain: B Ec: 3.4.21.4 Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Saccharomyces Cerevisiae Expression_system_common: Baker'S Yeast Expression_system_taxid: 4932 Expression_system_plasmid: Pst Expression_system_gene: Rat Anionic Trypsin
symmetry	Space Group: C 1 2 1	R_factor 0.193 R_Free 0.285
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.150 56.180 80.680 90.00 91.75 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	ACT, CA	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
note	1SLU is a representative structure
related structures	by homologous chain: 1SLW, 1V2U, 2STA
Gene Ontology	Chain Function Process Component A serine-type endopeptidase in... B
Primary reference	X-ray structures of a designed binding site in trypsin show metal-dependent geometry., Brinen LS, Willett WS, Craik CS, Fletterick RJ, Biochemistry 1996 May 14;35(19):5999-6009. PMID:8634241

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (1slu.pdb1.gz) 112 Kb LPC: Ligand-Protein Contacts for 1SLU CSU: Contacts of Structural Units for 1SLU Likely Quarternary Molecular Structure file(s) for 1SLU Retrieve 1SLU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SLU from S2C, [Save to disk]

View 1SLU 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 1SLU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SLU, from MSDmotif at EBI Genome occurence of 1SLU's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1slua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1slub_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1slu_A] [1slu_B] [1slu] SWISS-PROT database: [P23827] [P00763] Domain organization of [ECOT_ECOLI] [TRY2_RAT] by SWISSPFAM Domain found in 1SLU: [Tryp_SPc ] by SMART

Other resources with information on 1SLU

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

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