1SGY Hydrolase Hydrolase Inhibitor date Mar 25, 1999
title Tyr 18 Variant Of Turkey Ovomucoid Inhibitor Third Domain Co With Streptomyces Griseus Proteinase B At Ph 6.5
authors K.Huang, W.Lu, S.Anderson, M.Laskowski Jr., M.N.G.James
compound source
Molecule: Streptogrisin B
Chain: E
Synonym: Protease B, Sgpb, Pronase Enzyme B
Organism_scientific: Streptomyces Griseus
Organism_taxid: 1911
Strain: K1

Molecule: Ovomucoid
Chain: I
Fragment: Third Domain
Synonym: Tyr18-Omtky3
Engineered: Yes
Mutation: Yes

Organism_scientific: Meleagris Gallopavo
Organism_common: Turkey
Organism_taxid: 9103
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pezz318.Tky
symmetry Space Group: P 1 21 1
R_factor 0.160 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
45.540 54.680 45.580 90.00 119.19 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand PO4 enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1CT0, 1PPF, 1SGN


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk]
  • Biological Unit Coordinates (1sgy.pdb1.gz) 38 Kb
  • LPC: Ligand-Protein Contacts for 1SGY
  • CSU: Contacts of Structural Units for 1SGY
  • Likely Quarternary Molecular Structure file(s) for 1SGY
  • Retrieve 1SGY in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SGY from S2C, [Save to disk]
  • View 1SGY 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 1SGY
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1SGY, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sgye_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1sgyi_, region I [Jmol] [rasmolscript] [script source]
  • Fold representative 1sgy from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1sgy_E] [1sgy_I] [1sgy]
  • SWISS-PROT database: [P68390] [P00777]
  • Domain organization of [IOVO_MELGA] [PRTB_STRGR] by SWISSPFAM
  • Domains found in 1SGY: [KAZAL] [Tryp_SPc ] by SMART
  • Other resources with information on 1SGY
  • Community annotation for 1SGY at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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