3GAX Hydrolase Inhibitor date Feb 18, 2009
title Crystal Structure Of Monomeric Human Cystatin C Stabilized A Aggregation
authors R.Kolodziejczyk, K.Michalska, A.Hernandez-Santoyo, M.Wahlbom, A. M.Jaskolski
compound source
Molecule: Cystatin-C
Chain: A, B
Fragment: Human Cystatin C Stab1: Unp Residues 27-146
Synonym: Cystatin-3, Neuroendocrine Basic Polypeptide, Gamm Post-Gamma-Globulin;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cst3
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Mc1061
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Phd 313
symmetry Space Group: P 61
R_factor 0.138 R_Free 0.167
length a length b length c angle alpha angle beta angle gamma
76.260 76.260 97.576 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.70 Å
A, B

Primary referenceCrystal structure of human cystatin C stabilized against amyloid formation., Kolodziejczyk R, Michalska K, Hernandez-Santoyo A, Wahlbom M, Grubb A, Jaskolski M, FEBS J. 2010 Feb 19. PMID:20175878
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (3gax.pdb1.gz) 22 Kb
  • Biological Unit Coordinates (3gax.pdb2.gz) 21 Kb
  • CSU: Contacts of Structural Units for 3GAX
  • Structure Factors (248 Kb)
  • Retrieve 3GAX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3GAX from S2C, [Save to disk]
  • Re-refined 3gax structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3GAX 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 3GAX
  • 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 3GAX, from MSDmotif at EBI
  • Fold representative 3gax from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3gax_A] [3gax] [3gax_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3GAX: [CY ] by SMART
  • Alignments of the sequence of 3GAX with the sequences similar proteins can be viewed for 3GAX's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.
  • Other resources with information on 3GAX
  • Community annotation for 3GAX 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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