1GI4	Hydrolase	date	Jan 22, 2001
title	A Novel Serine Protease Inhibition Motif Involving A Multi-C Short Hydrogen Bonding Network At The Active Site
authors	B.A.Katz, K.Elrod, C.Luong, M.Rice, R.L.Mackman, P.A.Sprengeler, J J.Hatayte, J.Janc, J.Link, J.Litvak, R.Rai, K.Rice, S.Sideris, E.V W.Young
compound		source
Molecule: Beta-Trypsin Chain: A Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas
symmetry	Space Group: P 21 21 21	R_factor 0.193 R_Free 0.214
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.660 63.070 68.990 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.37 Å
ligand	122, CA, SO4, ZN BindingDB	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1C1R, 1C5U
Gene Ontology	Chain Function Process Component A
Primary reference	A novel serine protease inhibition motif involving a multi-centered short hydrogen bonding network at the active site., Katz BA, Elrod K, Luong C, Rice MJ, Mackman RL, Sprengeler PA, Spencer J, Hataye J, Janc J, Link J, Litvak J, Rai R, Rice K, Sideris S, Verner E, Young W, J Mol Biol 2001 Apr 13;307(5):1451-86. PMID:11292354

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (88 Kb) [Save to disk] Biological Unit Coordinates (1gi4.pdb1.gz) 83 Kb LPC: Ligand-Protein Contacts for 1GI4 CSU: Contacts of Structural Units for 1GI4 Likely Quarternary Molecular Structure file(s) for 1GI4 Structure Factors (298 Kb) Retrieve 1GI4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1GI4 from S2C, [Save to disk] Re-refined 1gi4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1GI4 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 1GI4

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1GI4 from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1GI4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1gi4a_, 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: [1gi4_A] [1gi4] SWISS-PROT database: [P00760] Domain organization of [TRY1_BOVIN] by SWISSPFAM Domain found in 1GI4: [Tryp_SPc ] by SMART

Other resources with information on 1GI4

Community annotation for 1GI4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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