1G3B	Hydrolase	date	Oct 23, 2000
title	Bovine Beta-Trypsin Bound To Meta-Amidino Schiff Base Magnes Chelate
authors	E.Toyota, K.K.S.Ng, H.Sekizaki, K.Itoh, K.Tanizawa, M.N.G.James
compound		source
Molecule: Beta-Trypsin Chain: A Fragment: Mature Enzyme Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Secretion: Pancreas
symmetry	Space Group: P 21 21 21	R_factor 0.173 R_Free 0.193
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.770 63.250 69.330 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	108, CA, MG, SO4	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1QA0, 1V2N
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray crystallographic analyses of complexes between bovine beta-trypsin and Schiff base copper(II) or iron(III) chelates., Toyota E, Ng KK, Sekizaki H, Itoh K, Tanizawa K, James MN, J Mol Biol 2001 Jan 19;305(3):471-9. PMID:11152605

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk] Biological Unit Coordinates (1g3b.pdb1.gz) 37 Kb LPC: Ligand-Protein Contacts for 1G3B CSU: Contacts of Structural Units for 1G3B Likely Quarternary Molecular Structure file(s) for 1G3B Structure Factors (167 Kb) Retrieve 1G3B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1G3B from S2C, [Save to disk] Re-refined 1g3b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1G3B 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 1G3B

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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 1G3B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1g3ba_, region A [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: [1g3b_A] [1g3b] SWISS-PROT database: [P00760] Domain organization of [TRY1_BOVIN] by SWISSPFAM Domain found in 1G3B: [Tryp_SPc ] by SMART

Other resources with information on 1G3B

Community annotation for 1G3B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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