1STF Hydrolase(Sulfhydryl Proteinase) date Apr 21, 1993
title The Refined 2.4 Angstroms X-Ray Crystal Structure Of Recombi Stefin B In Complex With The Cysteine Proteinase Papain: A Of Proteinase Inhibitor Interaction
authors M.T.Stubbs, B.Laber, W.Bode
compound source
Molecule: Papain
Chain: E
Engineered: Yes
Organism_scientific: Carica Papaya
Organism_common: Papaya
Organism_taxid: 3649
Organ: Fruit
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Stefin B (Cystatin B)
Chain: I
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Fruit
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 31 2 1
R_factor 0.190 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
67.000 67.000 169.300 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.37 Å
ligand CCS enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1BP4, 1BQI

  • endopeptidase inhibitor acti...
  • cysteine-type endopeptidase ...

  • Primary referenceThe refined 2.4 A X-ray crystal structure of recombinant human stefin B in complex with the cysteine proteinase papain: a novel type of proteinase inhibitor interaction., Stubbs MT, Laber B, Bode W, Huber R, Jerala R, Lenarcic B, Turk V, EMBO J 1990 Jun;9(6):1939-47. PMID:2347312
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk]
  • Biological Unit Coordinates (1stf.pdb1.gz) 51 Kb
  • LPC: Ligand-Protein Contacts for 1STF
  • CSU: Contacts of Structural Units for 1STF
  • Likely Quarternary Molecular Structure file(s) for 1STF
  • Retrieve 1STF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1STF from S2C, [Save to disk]
  • View 1STF 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 1STF
  • 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 1STF, from MSDmotif at EBI
  • Genome occurence of 1STF's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1stfe_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1stfi_, region I [Jmol] [rasmolscript] [script source]
  • Fold representative 1stf 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: [1stf_E] [1stf] [1stf_I]
  • SWISS-PROT database: [P04080] [P00784]
  • Belongs to the stefin b pore-forming protein (stefin b) family according to TCDB.
  • Domain organization of [CYTB_HUMAN] [PAPA1_CARPA] by SWISSPFAM
  • Domains found in 1STF: [CY] [Pept_C1 ] by SMART
  • Other resources with information on 1STF
  • Community annotation for 1STF 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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