1Y3F	Hydrolase Hydrolase Inhibitor	date	Nov 24, 2004
title	Crystal Structure Of The Complex Of Subtilisin Bpn' With Chy Inhibitor 2 F69a Mutant
authors	E.S.Radisky, C.J.Lu, G.Kwan, D.E.Koshland Jr.
compound		source
Molecule: Subtilisin Bpn' Chain: E Synonym: Subtilisin Novo; Subtilisin Dfe; Alkaline Protease Ec: 3.4.21.62 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Amyloliquefaciens Organism_taxid: 1390 Gene: Apr Expression_system: Bacillus Subtilis Expression_system_taxid: 1423 Expression_system_strain: Bg2036 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pser25
Molecule: Chymotrypsin Inhibitor 2 Chain: I Engineered: Yes Mutation: Yes		Organism_scientific: Hordeum Vulgare Organism_taxid: 4513 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pci2f69a
symmetry	Space Group: P 65 2 2	R_factor 0.163 R_Free 0.190
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.583 93.583 187.044 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.72 Å
ligand	15P, CA, CIT, NA	enzyme	Hydrolase E.C.3.4.21.62 BRENDA
related structures	by homologous chain: 1BH6, 1TM4, 1Y3D, 1YPC
Gene Ontology	Chain Function Process Component E I
Primary reference	Role of the intramolecular hydrogen bond network in the inhibitory power of chymotrypsin inhibitor 2(,)., Radisky ES, Lu CJ, Kwan G, Koshland DE Jr, Biochemistry 2005 May 10;44(18):6823-30. PMID:15865427

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1y3f.pdb1.gz) 63 Kb Biological Unit Coordinates (1y3f.pdb2.gz) 124 Kb LPC: Ligand-Protein Contacts for 1Y3F CSU: Contacts of Structural Units for 1Y3F Likely Quarternary Molecular Structure file(s) for 1Y3F Structure Factors (399 Kb) Retrieve 1Y3F in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Y3F from S2C, [Save to disk] Re-refined 1y3f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Y3F 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 1Y3F

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 1Y3F, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1y3f] [1y3f_E] [1y3f_I] SWISS-PROT database: [Q40059] [P00782] Domain organization of [Q40059_HORVU] [SUBT_BACAM] by SWISSPFAM

Other resources with information on 1Y3F

Community annotation for 1Y3F at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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