1EJM	Hydrolase Inhibitor	date	Mar 03, 2000
title	Crystal Structure Of The Bpti Ala16leu Mutant In Complex Wit Trypsin
authors	J.Otlewski, A.Smalas, R.Helland, A.Grzesiak, D.Krowarsch
compound		source
Molecule: Beta-Trypsin Chain: A, C, E Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas Other_details: Purchased From Sigma
Molecule: Pancreatic Trypsin Inhibitor Chain: B, D, F Synonym: Basic Protease Inhibitor, Bpi, Aprotinin Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: I 41 2 2	R_factor 0.211 R_Free 0.233
crystal cell	length a length b length c angle alpha angle beta angle gamma 180.870 180.870 170.510 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	SO4	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1H9I, 1TPA, 3BTK
Gene Ontology	Chain Function Process Component A, C, E F, D, B
Primary reference	Substitutions at the P(1) position in BPTI strongly affect the association energy with serine proteinases., Grzesiak A, Helland R, Smalas AO, Krowarsch D, Dadlez M, Otlewski J, J Mol Biol 2000 Aug 4;301(1):205-17. PMID:10926503

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk] Biological Unit Coordinates (1ejm.pdb1.gz) 47 Kb Biological Unit Coordinates (1ejm.pdb2.gz) 48 Kb Biological Unit Coordinates (1ejm.pdb3.gz) 49 Kb LPC: Ligand-Protein Contacts for 1EJM CSU: Contacts of Structural Units for 1EJM Likely Quarternary Molecular Structure file(s) for 1EJM Structure Factors (594 Kb) Retrieve 1EJM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EJM from S2C, [Save to disk] Re-refined 1ejm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EJM 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 1EJM

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 1EJM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ejma_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ejmb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ejmc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1ejmd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1ejme_, region E [Jmol] [rasmolscript] [script source]     - Domain d1ejmf_, region F [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: [1ejm_A] [1ejm_C] [1ejm_B] [1ejm_E] [1ejm_D] [1ejm_F] [1ejm] SWISS-PROT database: [P00974] [P00760] Domain organization of [BPT1_BOVIN] [TRY1_BOVIN] by SWISSPFAM Domains found in 1EJM: [KU] [Tryp_SPc ] by SMART

Other resources with information on 1EJM

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---